Sennheiser BTA1 TV Transmitter
Best wireless transmitter for seamless, lag-free TV audio sharing.
This is the definitive fix for laggy, out-of-sync TV audio that ruins movie nights. By prioritizing low-latency streaming and universal compatibility, it turns any television into a private cinema experience. You sacrifice a bit of setup complexity for the ability to broadcast high-fidelity sound to an entire room of listeners simultaneously.
$129.95
Who it's for
- Night owls watching TV without disturbing sleeping family members
- Users wanting a quick, frustration-free home theater setup
- Sennheiser headphone owners seeking optimized, reliable wireless connectivity
Who should skip it
- Audiophiles relying on wired headphones or non-Bluetooth audio gear
- Gamers or viewers sensitive to even minor audio-visual delays
- Minimalists trying to avoid extra cables and power outlets
Performance breakdown
Audio Synchronization
Low latency technology ensures perfect alignment between video and audio.
Connectivity Versatility
HDMI, optical, and analog inputs cover almost any home setup.
Broadcast Capability
Auracast support allows unlimited simultaneous listeners without compromising signal quality.
Setup Simplicity
Universal compatibility and included cables make installation a plug-and-play experience.
Audio Enhancement
Speech clarity and virtual surround modes significantly elevate standard TV audio.
Wireless Range
Fifty-meter transmission range provides reliable coverage throughout most living spaces.
Key Specs
Connectivity
Bluetooth Auracast™
Transmission frequency / modulation
BLE 1M: 2,402 MHz to 2,480 MHz BLE 2M: 2,404 MHz to 2,478 MHz (without 2,426 MHz) / BLE: GFSK
Transmission range
50 m
Supported profiles
BAP, PBP
Bluetooth codecs
LC3
Inputs
Digital input: Optical mini Toslink, HDMI ARC Supported data streams: Stereo PCM 44.1 – 48 kHz / 16 – 24 bit, AC-3 (Dolby Digital) max. bit rate: 640 kbps. Analog input: 3.5 mm stereo jack socket
Power consumption
Input: 5 Vdc , 1000 mA max. (USB power via TV or external USB source) Output: 5 Vdc , 500 mA max. (USB port for charging headphones)
Product weight
approx. 100 g
Product dimension (W x H x D)
130 x 20 x 56 mm
Operating condition
Temp: 0 to +40°C; Rel. humidity: 10 to 80%, non-condensing
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