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Small black rectangular box with USB-C and USB-A ports, 6.85 by 3.9 by 1.9 inches

Sennheiser BTA1 Bluetooth Auracast TV Transmitter

SKU CH-NKPE-6CM55

Transmits TV audio to Auracast headphones via HDMI, optical or analog with virtual surround, speech clarity and up to 50-metre range

  • Connection typesUSB Type C, USB Type A
  • Size and weight6.85 in × 3.9 in × 1.9 in
  • Product colorBlack
  • Personalized TV sound with no lag via Bluetooth Auracast
  • Virtual Surround Sound recreates cinema depth in headphones
  • Speech Clarity sharpens dialogue and Normalize Volume levels sudden spikes
  • Simple color-coded setup using HDMI, optical or analog inputs
  • Unlimited Auracast headphones each with independent volume control

TV Transmitter for Auracast Headphones

The Sennheiser BTA1 transmits TV audio wirelessly to Auracast-enabled headphones. It connects via HDMI, optical or analog outputs, so it works with virtually any television. No television with built-in Auracast is required.

Build Quality and Connections

The compact black unit measures 6.85 in x 3.9 in x 1.9 in and draws power through USB Type C or USB Type A. Color-coded cables simplify the initial hookup to the TV. A wireless range of up to 50 meters (150 feet) lets listeners move freely around the home.

Bundled Accessories and Software

Optical and analog cables are included in the box for immediate connection to the television. The transmitter supports an unlimited number of Auracast headphones simultaneously, each with independent volume control separate from the TV speakers.

How it compares

Measured against everything we stock in Wi-Fi & Bluetooth Audio Devices, at today’s prices. Recalculated every night.

Price $96.99
Pricier than about 64% of the 297 comparable items (median $63.99).

Specifications

Product
Brand nameSennheiser
Model nameSennheiser BTA1
Part number700437
Product colorBlack
Ports & slots
Connection typesUSB Type C, USB Type A
Size & build
Size and weight6.85 in × 3.9 in × 1.9 in
More details
Remote controllerNo

Questions about this item

What does the Bluetooth Auracast interface cap at for latency and range?

The transmitter delivers audio latency around 50 milliseconds and a wireless range of up to 50 meters (150 feet) with Auracast headphones.

What physical space and connections does the BTA1 need to fit and mount?

It measures 6.85 in x 3.9 in x 1.9 in and connects to the TV via HDMI, optical, or analog audio outputs using the included color-coded cables.

How is the transmitter installed, and what step do people often get wrong?

Plug the transmitter into the TV using HDMI, optical, or analog, then pair Auracast-enabled headphones; the common mistake is trying to pair standard Bluetooth headphones, which are not supported.

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