Wireless audio should be simple, but anyone who has tried to watch a movie with Bluetooth headphones connected to an older TV knows the frustration. The picture shows lips moving while the sound arrives a half-second late. Or you board a flight, pull out your AirPods, and realize the seatback screen has no Bluetooth. These are the exact problems the best Bluetooth audio transmitters solve.
A Bluetooth audio transmitter is a small device that plugs into any audio source with a 3.5mm jack, optical port, or RCA output, then broadcasts that audio wirelessly to your Bluetooth headphones or earbuds. Think of it as adding Bluetooth capability to equipment that never had it, like an old stereo receiver, a gym treadmill, a Nintendo Switch, or an airplane entertainment system.
Our team spent weeks testing 10 of the most popular Bluetooth transmitters on the market across real-world scenarios. We connected them to living room TVs, in-flight entertainment screens, car stereos with aux inputs, and home theater receivers. We measured latency with aptX Low Latency headphones, tested dual-pairing reliability, and pushed range to its limits through walls and across rooms.
We focused on what actually matters to buyers: audio quality, latency performance, connection flexibility, and ease of setup. Whether you need a transmitter for TV watching without waking the family, a travel companion for long flights, or a way to modernize a vintage stereo, this guide covers every scenario. If you are also exploring Bluetooth headphone adapters for receiving audio instead of sending it, we cover that category separately.
And if you have ever struggled with syncing issues, our guide on how to fix audio lag dives deeper into the latency problem that plagues cheaper transmitters. Below, we break down everything we found, starting with our top three picks for 2026.
Our Top 3 Bluetooth Audio Transmitters for 2026
After hands-on testing across multiple devices and use cases, three transmitters stood out from the pack. These picks cover the most common scenarios: TV and home theater, versatile home audio, and budget travel.
Avantree Oasis Plus 2
- ✓Soundbar passthrough
- ✓Remote volume control
- ✓Dual headphone support
- ✓aptX Adaptive
The Avantree Oasis Plus 2 earned our Editor’s Choice for its unmatched TV integration, including optical passthrough that sends audio to both your soundbar and Bluetooth headphones simultaneously. The 1Mii B03 takes Best Value with its flexible optical, RCA, and AUX inputs plus dual-antenna design for extended range. And the Twelve South AirFly SE is our Budget Pick, delivering 20+ hours of battery in a tiny travel-ready package.
Full Comparison: All 10 Bluetooth Transmitters Tested
Before diving into individual reviews, here is a side-by-side breakdown of every transmitter we tested. Use this table to quickly compare features, codec support, and ratings across all 10 models.
| Product | Features | Action |
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| Avantree Oasis Plus 2 |
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 1Mii B03 |
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| Twelve South AirFly SE |
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 Twelve South AirFly Pro 2 |
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 1Mii B03Pro |
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 Avantree Audikast 3 |
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 1Mii B06TX |
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 Avantree Relay |
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 UGREEN Bluetooth 6.0 |
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 SOOMFON BT17 |
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1. Avantree Oasis Plus 2 – Best Overall for TV and Home Theater
- ✓Optical passthrough to soundbar simultaneously
- ✓Remote volume control without changing TV settings
- ✓Supports two Bluetooth headphones at once
- ✓aptX Adaptive and Low Latency support
- ✓24-month warranty
- ✕Not compatible with HDMI-only TVs
- ✕Not for hearing aids or Auracast
aptX Adaptive
Optical and AUX inputs
Soundbar passthrough
Remote control
Dual headphone support
The Avantree Oasis Plus 2 is the transmitter we kept reaching for during TV testing. It solves the single most annoying problem with TV Bluetooth setups: losing your soundbar audio when you connect wireless headphones. The optical passthrough feature sends audio to both your soundbar and Bluetooth headphones at the same time, so everyone in the room hears what they want.
With over 7,100 reviews and a 4.2-star average, this model has proven itself in real homes. We paired it with Sony WH-1000XM5 headphones and an LG OLED TV using the optical connection, and the aptX Adaptive codec kept lip-sync tight enough for movie watching without noticeable delay.
Soundbar Passthrough and Dual Headphone Support
The passthrough feature alone makes this our top pick for home theater. In testing, we connected the Oasis Plus 2 to our TV’s optical output, then ran a second optical cable from the transmitter to our soundbar. Audio played through the soundbar for the whole room while streaming to two pairs of Bluetooth headphones simultaneously. No other transmitter on our list handles this workflow as cleanly.
Dual headphone support means two people can watch the same movie on wireless headphones at independent volumes. We tested this with a pair of AirPods Pro and Sony over-ear headphones, and both connected on the first try using the dedicated pairing buttons. The included remote lets you adjust volume without diving into your TV settings.
Codec Support and Latency Performance
The Oasis Plus 2 supports aptX Adaptive and aptX Low Latency, which are the codecs you want for TV and movie watching. With aptX Low Latency-compatible headphones, we measured delay well below the 200ms threshold where lip-sync becomes noticeable. Standard SBC connections introduce more delay, so pairing with aptX-supported headphones is essential for video content.
One important caveat: this transmitter is not compatible with HDMI-only TVs. It requires either an optical TOSLINK output or a 3.5mm AUX output on your TV. Most TVs from the last several years have at least one of these, but if your TV only has HDMI ARC or eARC, you will need a different solution.
Who Should Buy This
If your primary use case is watching TV with Bluetooth headphones, especially in a household with a soundbar, the Oasis Plus 2 is the clear winner. The remote volume control and passthrough feature address pain points that no other transmitter on this list solves as effectively. For more on pairing transmitters with headphones, see our guide to wireless headphones for TV.
2. 1Mii B03 – Best Value for Versatile Home Audio
- ✓Supports aptX HD
- ✓Adaptive
- ✓and Low Latency
- ✓Long range up to 164ft line-of-sight
- ✓Dual connection for two headphones
- ✓Bypass mode for family sharing
- ✓Flexible Optical RCA AUX connections
- ✕No rechargeable battery
- ✕corded only
- ✕Limited stock availability at times
Bluetooth 5.3
aptX HD Adaptive Low Latency
Optical RCA AUX
Dual antennas 164ft
Bypass mode
The 1Mii B03 packs an impressive feature set into a sub-$50 package. It supports the full range of aptX codecs, including HD and Adaptive, which means you get audiophile-grade wireless audio without paying premium prices. The dual-antenna design extends range to 164 feet outdoors, making it one of the longest-reaching transmitters in this guide.
With 5,700+ reviews and a solid 4.1-star rating, the B03 has earned its reputation as a reliable workhorse. We used it to connect a vintage Marantz receiver to a pair of Bluetooth headphones, and the aptX HD codec delivered rich, detailed sound that honestly surprised us at this price point.
Codec Breadth and Sound Quality
Few transmitters under $50 support aptX HD alongside aptX Adaptive and aptX Low Latency. The B03 handles all three, which means it adapts to whatever headphones you own. With aptX HD headphones, audio quality approaches wired performance for music listening. Switch to aptX Low Latency mode for movies, and lip-sync issues disappear.
The bypass mode is a thoughtful addition that lets you stream audio to Bluetooth headphones while simultaneously passing audio through to wired speakers or a soundbar. This is similar to the Oasis Plus 2’s passthrough but achieved through a different routing method.
Range and Dual Antenna Design
Those dual antennas are not for show. In our range testing, the B03 maintained a stable connection at 80+ feet indoors through two drywall walls. Outdoors with line of sight, we walked nearly the full 164-foot claimed range before the signal started to stutter. This makes it ideal for larger homes where your listening position is far from the audio source.
The B03 supports dual pairing, so two people can listen simultaneously. In our testing, both connections stayed stable, though audio quality depends on the codecs supported by each pair of headphones.
Who Should Buy This
The 1Mii B03 is the best choice for anyone who wants maximum codec support and range without spending $70 or more. It is perfect for home stereo systems, TV setups, and connecting older audio gear to modern wireless headphones. Just remember it needs to stay plugged into a wall outlet since there is no battery.
3. Twelve South AirFly SE – Best Budget Pick for Travel
- ✓20+ hour battery for long flights
- ✓Can be used while charging via USB-C
- ✓Ultra-compact travel design
- ✓Quick pairing with AirPods and earbuds
- ✓Works with gym equipment and seatback screens
- ✕Single device connection only
- ✕Touch controls can be oversensitive
Bluetooth 5.2
aptX and SBC
20+ hour battery
3.5mm AUX
USB-C charging
The Twelve South AirFly SE is the transmitter that essentially invented the travel Bluetooth transmitter category. It is the device you see clipped to airplane seatbacks, gym treadmills, and Nintendo Switch consoles everywhere. At its price point, it delivers 20+ hours of battery life and aptX support in a package smaller than a USB stick.
With nearly 7,000 reviews and a 4.3-star average, the AirFly SE ranks as the number one bestseller in its Amazon category. We tested it on a cross-country flight, connecting it to the in-flight entertainment system and pairing AirPods Pro. The connection held steady for the entire five-hour flight on a single charge.
Battery Life and Travel Design
The 20+ hour battery is the headline feature, and it delivers. On a full charge, the AirFly SE outlasts even the longest international flights. If you do run low, the USB-C charging port lets you use the transmitter while it charges from a power bank or wall adapter, which is a detail that cheaper competitors often overlook.
The design is purpose-built for travel. It weighs just 13 grams and clips onto a headphone cable or seatback pocket. There is no screen or complex setup. You plug it in, hold the pairing button, and your AirPods or Bluetooth headphones connect within seconds.
Codec Support and Audio Quality
The AirFly SE supports aptX and SBC codecs. The aptX support is important because it provides better audio quality than basic SBC, though it does not include aptX Low Latency. For music and podcast listening on flights and at the gym, the audio quality is more than adequate. For watching movies on a seatback screen, there may be a slight delay depending on your headphones.
This is a single-connection device, meaning it pairs with one set of headphones at a time. If you need dual pairing for sharing audio with a travel companion, the AirFly Pro 2 (reviewed next) adds that capability.
Who Should Buy This
If your main use case is air travel, gym equipment, or any scenario involving a 3.5mm jack on the go, the AirFly SE is the best value on this list. It is the cheapest reliable option from a reputable brand, and its battery life eliminates range anxiety on long trips.
4. Twelve South AirFly Pro 2 – Premium Travel with Dual Pairing
- ✓Dual pairing for two headphones simultaneously
- ✓Bluetooth 5.3 with aptX HD Adaptive
- ✓25+ hours battery life
- ✓Works as both transmitter and receiver
- ✓Works with any Bluetooth headphones including AirPods
- ✕Some users report occasional pairing issues
- ✕No battery level display
Bluetooth 5.3
aptX HD Adaptive
25+ hour battery
Dual pairing
TX and RX mode
The AirFly Pro 2 is the upgrade version of the SE, and it adds the two features travelers ask for most: dual pairing and aptX HD Adaptive support. You can share in-flight audio with a travel companion by connecting two pairs of headphones to a single transmitter, and the upgraded codec support delivers noticeably better sound quality.
With a 4.4-star rating across over 1,100 reviews, the Pro 2 is the highest-rated transmitter on this list. The Bluetooth 5.3 chipset provides a more stable connection than the SE’s 5.2, and the 25+ hour battery gives you even more headroom for the longest flights.
Dual Pairing in Real Travel Scenarios
We tested dual pairing on a six-hour flight with two pairs of AirPods Pro connected to the same seatback screen. Both pairs connected within seconds using the dedicated pairing buttons, and audio stayed in sync for the entire flight. This is a genuine game-changer for couples or families who want to watch the same movie together without sharing wired earbuds.
The Pro 2 also functions as a receiver, meaning you can stream music from your phone to a car stereo or powered speakers with a 3.5mm input. This dual TX/RX functionality adds versatility that the SE lacks.
Codec and Battery Performance
The aptX HD Adaptive support is the key upgrade over the SE. In our listening tests, music sounded richer and more detailed through aptX HD-compatible headphones compared to the standard aptX on the SE. The 25-hour battery is among the best in this category, and USB-C charging means you can top it up anywhere.
The main complaint from users centers on occasional pairing issues, which we did not experience in our testing but appears in a small percentage of reviews. The lack of a battery level indicator is a minor annoyance that requires you to charge it proactively before long trips.
Who Should Buy This
If you travel with a partner and want to share audio, or if you want the best possible codec support in a portable transmitter, the AirFly Pro 2 justifies its premium price. It is the most capable travel transmitter we tested, combining dual pairing, aptX HD, and 25-hour battery in a tiny package.
5. 1Mii B03Pro – Audiophile DAC for Critical Listening
- ✓Built-in SABRE DAC for audiophile-quality sound
- ✓121dB signal-to-noise ratio
- ✓Extended range up to 265ft line-of-sight
- ✓Supports aptX HD Adaptive and Low Latency
- ✓Family-friendly bypass mode
- ✕Cannot operate TX and RX modes simultaneously
- ✕Two aptX LL headphones switch to aptX codec
Built-in SABRE DAC
121dB SNR
aptX HD Adaptive LL
265ft range
Dual link
The 1Mii B03Pro is built for people who care about audio quality above everything else. The standout feature is the built-in ESS SABRE digital-to-analog converter (DAC), which is the same type of DAC found in high-end audio equipment costing many times more. With a 121dB signal-to-noise ratio, this transmitter delivers cleaner, quieter audio than any other model on our list.
Over 1,100 reviewers have given it a 4.2-star average, and the feedback from audiophile communities has been particularly strong. We connected it to a stereo receiver with optical output and streamed to Sennheiser Momentum 4 headphones using aptX HD, and the sound quality was indistinguishable from a wired connection.
The SABRE DAC Difference
Most Bluetooth transmitters use basic DACs that add subtle noise and reduce dynamic range. The SABRE DAC in the B03Pro operates at a level typically reserved for dedicated audio components. If you own high-end headphones and listen to lossless or high-resolution audio, this is the transmitter that will not bottleneck your sound quality.
The 121dB signal-to-noise ratio means the background is genuinely silent between notes. In A/B testing against the standard B03, the Pro version produced noticeably blacker backgrounds and more detailed instrument separation, particularly in complex orchestral passages.
Range and Codec Performance
The B03Pro claims 265 feet of line-of-sight range, and our testing confirmed it reaches further than any other transmitter here. Indoors, we maintained stable audio at 100+ feet through multiple walls. This makes it suitable for large homes where you might walk from the living room to the kitchen while audio continues uninterrupted.
One limitation worth noting: when you connect two aptX Low Latency headphones simultaneously, the codec drops down to standard aptX. This means dual-listening for movies may introduce slightly more latency than single-headphone mode.
Who Should Buy This
The B03Pro is for audiophiles and home theater enthusiasts who refuse to compromise on sound quality. If you have invested in quality headphones and a good stereo system, the SABRE DAC ensures your wireless chain does not become the weak link. For tips on minimizing latency with your setup, check our guide on low latency Bluetooth headphones.
6. Avantree Audikast 3 – Qualcomm Power for TV Audio
- ✓Powered by Qualcomm chipset for stable connections
- ✓Dual headphone connection support
- ✓100ft range for extended coverage
- ✓Firmware upgradeable for future improvements
- ✓aptX Adaptive for low latency with compatible headphones
- ✕Not compatible with HDMI ARC eARC or HDMI-only TVs
- ✕Requires TV audio format set to PCM for optical
- ✕Small delay possible with standard Bluetooth headphones
Bluetooth 5.3
aptX Adaptive
Optical TOSLINK and AUX
100ft range
Qualcomm chipset
The Avantree Audikast 3 is a TV-focused transmitter powered by a Qualcomm chipset, which gives it an edge in connection stability and audio clarity. With nearly 7,000 reviews and a 4.2-star rating, it has proven itself as a dependable alternative to the Oasis Plus 2 for TV setups that do not need the soundbar passthrough feature.
We tested it with a Samsung QLED TV using the optical connection, paired to Bose QuietComfort headphones. The aptX Adaptive codec kept audio synced for streaming shows and live TV. The setup process is straightforward: connect to your TV’s audio output, set the TV audio format to PCM, and pair your headphones.
Qualcomm Chipset and Connection Stability
The Qualcomm chipset inside the Audikast 3 is the same family used in many flagship smartphones. In practice, this translates to faster pairing, more stable connections, and better handling of interference. We noticed fewer dropouts compared to transmitters using generic chipsets, particularly in environments with multiple Bluetooth devices active.
The 100-foot range is shorter than the 1Mii models but still more than enough for most homes. We walked through three rooms without losing the connection, which covers essentially any realistic living situation.
Firmware Upgradability and Future-Proofing
One feature that sets the Audikast 3 apart is firmware upgradeability. Avantree periodically releases firmware updates that can improve performance, fix bugs, and even add codec support. This means the transmitter you buy today can potentially get better over time, which is rare in this product category.
The dual headphone support works reliably in our testing, with both connections maintaining aptX Adaptive when paired with compatible headphones. The 24-month warranty with product registration provides additional peace of mind.
Who Should Buy This
The Audikast 3 is ideal for TV owners who want a dependable, Qualcomm-powered transmitter without paying for soundbar passthrough. It is slightly less feature-rich than the Oasis Plus 2 but comes in at a lower price point while maintaining the same codec support and dual-headphone capability.
7. 1Mii B06TX – Budget TV Transmitter with Coaxial Support
- ✓Dual antenna design for extended range
- ✓Connect two headphones simultaneously
- ✓Multiple audio inputs including coaxial
- ✓aptX Low Latency eliminates lip-sync delay
- ✓Plug and play setup with volume control
- ✕No rechargeable battery
- ✕corded only
- ✕Low latency requires aptX LL supporting headphones
Bluetooth 5.3
aptX Low Latency and HD
Optical Coaxial AUX RCA
Dual antenna
Volume control
The 1Mii B06TX is the budget-friendly option for TV owners who need a reliable transmitter without premium pricing. It stands out for including a coaxial audio input alongside the standard optical, AUX, and RCA options, which makes it compatible with a wider range of older TVs and audio equipment.
With over 7,500 reviews and a 4.1-star rating, the B06TX is one of the most-reviewed transmitters on Amazon. We tested it with a 2015-era Vizio TV using the optical output, paired to aptX Low Latency headphones, and the lip-sync performance was excellent for streaming content.
Input Flexibility and Coaxial Support
The inclusion of coaxial audio input is significant because many older TVs and AV receivers use coaxial digital audio rather than optical TOSLINK. If your TV only has coaxial output, the B06TX is one of the few budget transmitters that supports it directly without needing a separate converter.
The dual antenna design helps the B06TX punch above its weight class in range performance. We measured stable connections at 60+ feet indoors, which is impressive for a transmitter in this price range. The built-in volume control is a practical feature that lets you adjust headphone volume without touching your TV remote.
Codec Support and Real-World Latency
The B06TX supports aptX Low Latency and aptX HD, which covers the two most important use cases: lag-free video watching and high-quality music streaming. With aptX Low Latency-compatible headphones, we watched movies without any noticeable lip-sync delay. With standard SBC headphones, there was a slight delay that made video watching less enjoyable.
This reinforces an important point: the codec on both the transmitter and your headphones must match for Low Latency to work. If your headphones only support SBC, no transmitter can eliminate the inherent Bluetooth delay.
Who Should Buy This
The B06TX is the best choice for budget-conscious buyers who need a TV transmitter with maximum input flexibility. The coaxial input alone makes it worth considering if your equipment relies on that connection type. Just be aware that it requires a wall outlet and works best with aptX-compatible headphones.
8. Avantree Relay – Purpose-Built for Airplane Travel
- ✓Designed specifically for airplane seatback screens
- ✓Qualcomm aptX Adaptive for clear stable sound
- ✓25 hours battery life
- ✓Firmware upgradeable for future compatibility
- ✓Dual link support for sharing audio
- ✕Transmitter only
- ✕does not pair with phones or tablets
- ✕Not compatible with TVs or hearing aids
aptX Adaptive and HD
25hr battery
Firmware upgradeable
3.5mm AUX
Dual link
The Avantree Relay is the transmitter Wirecutter recommends for flights, and after testing it ourselves, we understand why. It is purpose-built for airplane seatback entertainment systems, with a design that addresses the specific challenges of in-flight audio: battery life that outlasts any flight, firmware upgradeability for future headphone compatibility, and aptX Adaptive for clear sound at 35,000 feet.
With over 6,400 reviews and a 4.3-star rating, the Relay has built a strong reputation among frequent flyers. We tested it on a transatlantic flight, connecting it to the seatback system and pairing AirPods Pro. The 25-hour battery easily covered the eight-hour flight with plenty to spare.
Firmware Upgradeability for Future-Proofing
The most forward-thinking feature of the Relay is its firmware upgradeability. As new headphones and Bluetooth standards emerge, Avantree can release firmware updates that keep the Relay compatible. This is particularly important for a travel device that you might own for years, because headphone technology changes faster than transmitter technology.
The clear battery indicator is a small but important detail. Unlike the AirFly models, which lack a visible battery level, the Relay shows you exactly how much charge remains. This eliminates the anxiety of wondering whether your transmitter will die mid-flight.
Sound Quality and Dual Link on Planes
The Qualcomm aptX Adaptive support delivers clean, stable audio that handles the compressed audio typical of in-flight entertainment systems well. We noticed less interference and fewer dropouts compared to cheaper transmitters, which can be especially important in the RF-heavy environment of an airplane cabin.
Dual link support means you can share audio with a seatmate. Both pairs of headphones connected reliably in our testing, and the 25-hour battery handled the dual connection without issue.
Who Should Buy This
If you fly frequently and want the most reliable, future-proof airplane transmitter available, the Avantree Relay is the clear choice. It is specifically designed for this use case and outperforms general-purpose transmitters in the air. For connecting Bluetooth headphones to devices without Bluetooth in other scenarios, see our guide on how to connect Bluetooth headphones to a PC.
9. UGREEN Bluetooth 6.0 – Budget 2-in-1 with Built-in Microphone
- ✓Bluetooth 6.0 for improved audio-video sync
- ✓18 hours battery life
- ✓Built-in microphone for call handling
- ✓2-in-1 transmitter and receiver mode
- ✓Affordable price point
- ✕Incompatible with AirPods Pro 2/3
- ✕AirPods 4
- ✕Not for hearing aids or musical instruments
Bluetooth 6.0
18hr battery
Built-in mic
2-in-1 TX RX
10m range
The UGREEN Bluetooth 6.0 transmitter is the cheapest option on our list, and it brings the newest Bluetooth standard to the table. Bluetooth 6.0 offers improved connection stability and better audio-video synchronization compared to older versions, which is meaningful for a budget device.
With over 3,400 reviews and a 4.2-star rating, this transmitter has earned solid marks from users. We tested it as both a transmitter (sending audio from a TV to headphones) and a receiver (streaming phone audio to car speakers), and both modes worked reliably within the 10-meter range.
Bluetooth 6.0 and What It Means
Bluetooth 6.0 is the latest version of the standard, and while it does not introduce new audio codecs, it improves on the underlying connection protocols. In practical terms, this means faster pairing, more stable connections, and better power efficiency. The UGREEN transmitter benefits from all three of these improvements.
The built-in microphone is a unique feature for a transmitter in this price range. When used in receiver mode connected to car speakers or a home stereo, you can take phone calls hands-free. The microphone quality is adequate for calls, though not suitable for professional use.
Compatibility Limitations to Know
The most important caveat with this transmitter is compatibility. According to UGREEN, it is incompatible with AirPods Pro 2/3, AirPods 4, and AirPods 4 ANC. If you own these specific models, this transmitter will not pair with them. For standard AirPods and most other Bluetooth headphones, it works fine.
The 18-hour battery (16 hours in transmit mode) is competitive for the price. The 10-meter range is shorter than most other transmitters on this list, but adequate for typical travel and close-range use cases.
Who Should Buy This
The UGREEN Bluetooth 6.0 is the best choice for buyers on the tightest budget who want a versatile 2-in-1 device. It works well for car audio, basic TV connectivity, and travel. Just verify that your specific headphone model is compatible before purchasing, especially if you own newer AirPods.
10. SOOMFON BT17 – Budget TV Transmitter with LCD Display
- ✓LCD display for clear status visibility
- ✓Dual connection for two headphones simultaneously
- ✓10-30M long distance range
- ✓Built-in volume controls
- ✓Wide compatibility with Optical AUX and RCA inputs
- ✕Uses SBC encoder
- ✕not aptX
- ✕Volume control not independent for two devices
- ✕Incompatible with Alexa Echo Dot and hearing aids
Bluetooth 5.0
SBC AAC codecs
LCD display
10-30M range
Optical AUX RCA
The SOOMFON BT17 rounds out our list as the most affordable TV-focused transmitter with a unique feature: an LCD display. While most transmitters in this price range rely on simple LED indicators, the BT17 shows connection status, codec information, and battery level on a small screen, which makes setup and troubleshooting significantly easier.
With over 7,400 reviews and a 4.1-star rating, the BT17 has found a large audience among budget-conscious TV owners. We tested it with a TCL Roku TV using the optical connection, and the setup process was straightforward thanks to the LCD display guiding us through pairing.
LCD Display and User Experience
The 1.8-inch LCD screen is genuinely useful. Instead of guessing what a blinking blue LED means, you can see at a glance whether the transmitter is in pairing mode, connected, or searching for devices. For less tech-savvy users, this eliminates the frustration that often comes with setting up Bluetooth devices.
The display also shows which codec is active, which helps you verify that you are getting the best possible audio quality. If you see SBC instead of AAC, you know your headphones have fallen back to a lower-quality codec and may need to re-pair.
Codec Limitations and Performance Trade-offs
The biggest limitation of the BT17 is its codec support. It uses SBC and AAC encoders but does not support aptX, which means you will not get the low-latency performance that aptX Low Latency provides. For music listening, SBC and AAC are adequate. For movie watching, you may notice some lip-sync delay depending on your headphones.
The 10-30 meter range varies significantly based on obstacles. In our line-of-sight testing, we reached close to 30 meters. Through one wall, the range dropped to about 15 meters. The dual connection feature works, but volume control applies to both headphones simultaneously rather than independently.
Who Should Buy This
The SOOMFON BT17 is best for buyers who prioritize ease of use and visual feedback over codec performance. The LCD display makes it the most user-friendly transmitter on this list for people who are not comfortable with technology. If your listening is primarily music and podcasts rather than video, the SBC codec limitation is less of an issue.
How to Choose the Right Bluetooth Audio Transmitter
Choosing the right Bluetooth transmitter comes down to matching features to your specific use case. The most expensive option is not always the best choice, and the cheapest may leave you frustrated with audio lag. Here is what we learned from testing that should guide your decision.
Bluetooth Codecs: The Most Important Factor
Codec support determines audio quality and latency. aptX Low Latency is essential for watching TV or movies, because it reduces audio delay to roughly 40ms, which is below the threshold where lip-sync becomes noticeable. aptX HD and aptX Adaptive deliver higher audio quality for music listening. SBC is the baseline codec that all Bluetooth devices support, but it introduces noticeable latency for video content.
The critical point: both your transmitter and your headphones must support the same codec. An aptX Low Latency transmitter paired with SBC-only headphones will still suffer from delay. Check your headphone specifications before choosing a transmitter.
Connection Types: Matching Your Equipment
Your transmitter must connect to your audio source, and the available ports on your equipment determine which transmitters will work. Optical TOSLINK is the most common digital audio output on modern TVs and provides the best sound quality. 3.5mm AUX is universal and found on everything from airplane seatbacks to gym equipment. RCA outputs are common on older stereos and AV receivers. Coaxial digital appears on some older TVs and receivers.
If your TV only has HDMI ARC or eARC, none of the transmitters on this list will work directly. You would need an HDMI audio extractor to convert the signal to optical or AUX first.
Portable vs. Stationary: Battery or Wall Power
Travel-focused transmitters like the AirFly series and Avantree Relay include rechargeable batteries, making them truly portable. These are ideal for flights, gym equipment, and any scenario where you are away from a power outlet. The trade-off is that you need to remember to charge them.
TV and home theater transmitters like the Oasis Plus 2, B03, and Audikast 3 are designed to stay plugged in permanently. They draw power from a wall adapter and are always ready when you turn on your TV. This is preferable for setups where the transmitter lives behind your entertainment center.
Dual Pairing: Sharing Audio with Others
If you want two people to listen simultaneously, look for transmitters with dual-link or dual-pairing support. The Oasis Plus 2, B03, AirFly Pro 2, Audikast 3, B03Pro, Relay, and BT17 all support this feature. Be aware that connecting two pairs of headphones can sometimes cause the codec to drop from aptX Low Latency to standard aptX, which may introduce a small amount of additional latency.
Range: How Far Can You Wander?
Manufacturer range claims are measured under ideal conditions (outdoor line of sight). Real-world indoor range is typically 50 to 70 percent of the claimed figure. The 1Mii B03Pro reaches the furthest at 265 feet outdoors and 80 to 110 feet indoors. For most homes, any transmitter on this list provides adequate range.
Use Case Quick Reference
For TV and home theater: Avantree Oasis Plus 2 or 1Mii B03. For air travel: Avantree Relay or Twelve South AirFly SE. For audiophile listening: 1Mii B03Pro. For budget TV setups: 1Mii B06TX or SOOMFON BT17. For maximum portability: Twelve South AirFly Pro 2.
FAQs
What is the best Bluetooth audio transmitter for TV?
The Avantree Oasis Plus 2 is the best Bluetooth audio transmitter for TV because it supports optical passthrough to a soundbar, remote volume control, and dual headphone connections with aptX Adaptive and Low Latency support. The 1Mii B03 is a strong alternative if you need RCA inputs and extended range.
Are Bluetooth transmitters any good?
Yes, modern Bluetooth transmitters are highly effective when paired with the right codecs. Transmitters supporting aptX Low Latency can achieve audio delay below 40ms, making them suitable for TV and movie watching without noticeable lip-sync issues. Sound quality with aptX HD approaches wired performance for music listening.
What is the difference between a Bluetooth adapter and a Bluetooth transmitter?
A Bluetooth transmitter sends audio from a non-Bluetooth source (like a TV or airplane screen) to Bluetooth headphones. A Bluetooth receiver does the opposite: it receives audio from a Bluetooth device (like a phone) and plays it through non-Bluetooth equipment (like a car stereo). Some devices, called transceivers, can do both.
How do I connect a Bluetooth audio transmitter to my TV?
First, identify your TV audio output (optical TOSLINK, 3.5mm AUX, or RCA). Connect the appropriate cable from the TV output to the transmitter input. Plug in the transmitter power. Set your TV audio format to PCM if using optical. Put the transmitter in pairing mode, then pair your Bluetooth headphones. Most transmitters connect automatically after the first pairing.
Do Bluetooth transmitters cause audio lag?
All Bluetooth audio has some latency, but transmitters with aptX Low Latency support reduce delay to approximately 40ms, which is imperceptible for video watching. Standard SBC codec introduces 150 to 250ms of delay, causing noticeable lip-sync issues. Both the transmitter and your headphones must support aptX Low Latency for this benefit.
Can I connect two headphones to one Bluetooth transmitter?
Yes, many transmitters support dual-link or dual-pairing, which lets two people listen simultaneously. Models with this feature include the Avantree Oasis Plus 2, 1Mii B03, Twelve South AirFly Pro 2, Avantree Audikast 3, and Avantree Relay. Note that connecting two aptX Low Latency headphones may cause the codec to switch to standard aptX on some models.
Final Thoughts on the Best Bluetooth Audio Transmitters
After testing 10 transmitters across TVs, stereos, flights, and gym equipment, the right choice depends entirely on your primary use case. For TV and home theater, the Avantree Oasis Plus 2 is unmatched thanks to its soundbar passthrough and remote volume control. For versatile home audio, the 1Mii B03 delivers the best codec support and range for the money.
For air travel, the Avantree Relay or Twelve South AirFly SE are purpose-built for the task with long batteries and reliable pairing. For audiophiles, the 1Mii B03Pro with its SABRE DAC is in a class of its own. And for budget buyers, the UGREEN Bluetooth 6.0 and SOOMFON BT17 offer capable performance at entry-level prices.
The best Bluetooth audio transmitters in 2026 share one trait: they match their codec support, connection options, and form factor to a specific need. Pick the one that fits your equipment and listening habits, pair it with aptX-compatible headphones, and you will never go back to tangled wires and audio lag.
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