RS 275
TV Headphones — Bluetooth Auracast Headphones and Transmitter
Tired of negotiating the TV volume? This no-compromise, high-fidelity Bluetooth headphone and transmitter bundle gives you great sound and lets you watch TV your way. The only problem: finding something new to argue about.

Brilliant Virtual Surround Sound
If TV time is ‘me time’, doesn’t it deserve the best sound possible? The RS 275 headphones and transmitter bundle delivers high-fidelity wireless audio without lag, ensuring sound and picture stay in perfect sync. Exceptional fidelity and advanced features like Virtual Surround Sound make movies feel like you’re in a movie theatre, without the sticky floor.
TV Sound Tailored Just for You
Sennheiser Speech Clarity selectively amplifies human voices so it’s much easier to understand dialogue on screen. Choose from four hearing profiles to suit your preferences, adjust the level of each ear independently, and use the Normalise Volume feature to eliminate jarring volume spikes between content.


Comfortable Enough to Binge an Entire Season
Up to 50 hours of battery life lets you watch TV as long as you like, with a stable connection across a range of up to 50 metres. Light, breathable, and fitted with plush fabric earcups, the RS 275 is built for extended listening. The battery is user-replaceable, and so are the earpads — so your investment is built to last.
Effortless Setup, Flexible Listening
Just plug in the transmitter, turn on the headphones, and you’re connected. The bundle comes pre-paired and ready to use straight out of the box, compatible with any TV featuring optical or analogue audio output. Since these are Bluetooth headphones, you can also connect them to your phone, tablet, or other devices. A headphone stand is included to keep your setup organised.


Watch Together with Bluetooth Auracast
The included BTA1 transmitter supports Bluetooth Auracast technology, broadcasting audio to an unlimited number of compatible headphones simultaneously. Each listener can choose their own volume and custom settings independently. The TV speaker can remain on for those who prefer it, making the RS 275 a flexible solution for shared viewing.
SPECIFICATIONS
- Speaker Principle: Dynamic
- Speaker Type / Size: 37 mm diameter
- Speaker Frequency Range: 6 Hz – 22 kHz (–10 dB)
- Speaker Sensitivity: 104 dB SPL (1 kHz / 0 dB FS)
- Speaker THD: <0.3% (1 kHz / 100 dB SPL)
- Active Noise Cancellation: No. Passive damping with Ambient Awareness mode.
- Virtual Surround Sound: Yes
- Speech Clarity: Yes
- Hearing Profiles: 4 selectable profiles
- Normalise Volume: Yes
- Independent ear-level adjustment: Yes
- Connectivity: Bluetooth Auracast, Bluetooth 5.4, USB
- Transmission Frequency / Modulation: 2,400 – 2,483.5 MHz / BLE: GFSK
- Supported Profiles: A2DP, AVRCP, HFP, HSP, GATT, PBP, BAP
- Supported Codecs: LC3, aptX, SBC, AAC, aptX Adaptive
- Range: Up to 50 metres
- Compatible with any TV with digital or analogue audio output
- Mic Principle: MEMS
- Mic Frequency Range: 50 Hz – 10 kHz (–3 dB)
- Mic Pick-up Pattern: 2 omni-directional microphones
- Battery Life: Up to 50 hours playtime via Bluetooth
- Charging Time: Approx. 2 hours for full charge
- Battery Type: Replaceable, rechargeable lithium-polymer battery
- Power Supply: 3.7 V⎓, 420 mAh, 1.554 Wh
- Charging: USB-C via BTA1 transmitter
- Wearing Style: Wireless headband
- Ear Coupling: Over-ear
- Earcups: Plush fabric, replaceable
- Product Weight: Approx. 195 g
- Product Dimensions (folded flat): 160 × 210 × 80 mm
- Magnetic Strength Field: 1.9 mT
- HAZMAT UN#: UN3481
- HDR 275 Headphones with user-replaceable battery
- TV Transmitter BTA1
- TV Audio Digital cable (Toslink to Mini Toslink optical cable)
- TV Audio Analogue cable (3.5 mm audio cable)
- USB-A to USB-C cable
- USB-C to USB-C cable
- Headphone stand
- User information













