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The BTR55 MK 3 is a space-saving Bluetooth music module in a 55 × 55 mm format, installed directly into the wall – as unobtrusive as a light switch.
Once installed, you can wirelessly stream music or podcasts via Bluetooth from your smartphone. The device virtually disappears into the wall, ensuring a tidy room design with clear, balanced sound.
In combination with two WHD built-in loudspeakers, the compact Bluetooth in-wall module becomes an elegant audio solution – ideal for bathrooms, kitchens, hotel rooms, sauna anterooms, relaxation rooms, doctor's offices, or offices where music simply belongs.
The BTR55 MK 3 is activated by pressing a button and is immediately ready for Bluetooth connection. As soon as your smartphone, tablet or laptop is connected, the blue LED lights up continuously – and you can directly stream your favorite music.
The next time you switch it on, the device automatically reconnects – effortlessly.
Music from the wall has never been so simple!
Despite its small size, the BTR55 MK 3 offers clear stereo sound, output through two built-in loudspeakers (e.g., from the M/R 180 or M/R 240 series or the KEL55, which is also in socket format). Ideal for stylish rooms where design, comfort, and sound quality should harmonize.
Bathrooms and kitchens
Hotel rooms, holiday apartments
Practices, reception areas
Offices, lounges or meeting zones
Bluetooth 5.0 receiver with integrated stereo amplifier
Suitable for common 55 × 55 mm switch ranges
Virtually invisible installation directly in the wall
Wireless music streaming from smartphone or tablet
Automatic reconnection
Ideal for private and commercial applications
1 × BTR55MK3 (White) - Bluetooth receiver with stereo amplifier and 230 V power supply
Data Sheet: Download (DE), Download (EN)
User Manual: Download (DE), Download (EN)
We are a medium-sized company with over 40 specialists, 90 years of experience, and more than a thousand projects.
With the Project Planner, you can easily have your audio projects planned by WHD. It's free, digital, and convenient for you.
Our solutions offer benefits for many industries and applications, create added value, and are proven.
