KB Sound In Wall BT Bluetooth Amplifier (No Speakers)

KB Sound  |  SKU: 52907
Colour: White

Includes 2 Years Warranty + 60 Day Returns

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Need some advice? Call our audio experts on 02393 190955, live chat or email us and we’ll help you make the best decision. Learn More

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All orders to mainland UK over £99 are eligible for free standard delivery.

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Extended 60 Day Returns

We’re so confident that you’ll be happy with your purchase that we’ve extended our returns policy to 60 days. We call it the “Happy Sound Guarantee”.

If you’re not happy with your purchase for any reason simply send it back to us for a full refund. Learn More


For a simple to use, high quality way to listen to music around your home the KB Sound In Wall BT is the ideal choice.

The KB Sound In Wall BT is easy to install and even easier to operate.

It's ideal for listening to your favourite music in the kitchen or bathroom and it's equally at home in bedrooms, study and anywhere else you want to enjoy music in high quality, with a low cost.

The KB Sound In Wall BT can be paired with any device with Bluetooth capabilities (A2DP / AVRCP). Simply install the KB Sound In Wall BT unit into a 1G electrical box in your kitchen, bathroom, bedroom or anywhere else and stream your music from your phone, tablet or computer.

Perfect for your home and it's also an ideal solution for hotel rooms, hospitals, schools and any public place in the wall avoids theft.


  • No clutter
  • Extremely easy to use, simply turn it on and pair your phone to start streaming.
  • Can be paired with any device with Bluetooth capabilities.
  • Signal range is 10-12 meters.
  • Connect a local 3.5mm audio device
  • Unique bluetooth coding allows you to install multiple units around the home without any interference.



The KB Sound In Wall BT in wall bluetooth receiver amplifier simply installs in a deep 1G electrical back box, you then simply connect the two supplied speakers to the unit, connect the remote power supply and you can stream your music!

The bluetooth in wall receiver has a unique identification code so you can install multiple units in one area and stream your phone independently to each unit.

Key Features

  • Zones
    Single Zone
  • Placement
    In Wall
  • Music Sources
  • Inputs
    3.5mm AUX
  • Warranty
    2 Years



    • Measurements - Exterior: 45 x 45 x 42mm - (W x H x D)
    • Measurements - Cavity: 45 x 45 x 36mm (W x H x D)
    • Measurements - Face Cover: 45 x 45mm (W x H)
    • Voltage: 15 - 16Vdc
    • Consumption - Bluetooth Operation: 22 - 111 mA
    • Consumption - 3.5mm Jack Operation: 22 - 99mA
    • Input Signal - Bluetooth Operation: 100 - 550 mVrms
    • Input Signal - 3.5mm Jack Operation: 7 - 60 Kohms
    • Output Signal: 2.5 Wrms - 8 Ohms
    • Line Output Signal: 1.82 Wrms (Terminals 65,66,4), 50 ohm (Terminals 65,66,4 Output Impedance)
    • Amplifier Trigger Signal: 14Vdc (Terminals 62,4), 1 Kohms (terminals 62,4 Output Impedance)
    • Left / Right Channel Separation: 58dB
    • Passband: 45 - 20.000 Hz
    • Distortion: 0.1%
    • SNR: 84dB
    • Bluetooth ID: 0000 - 9999
    • Bluetooth Specifications: Class 2 BT2.1 + EDR, A2DP 1.2, AVRCP 1.4
    • Wireless Transceiver: 2.5 Ghz
    • RF Power Transmitter: 7 dBm
    • Range: 10m


    • Measurements: 49 x 47 x 24mm (w x h x d)
    • Voltage: 93 - 264 Vac
    • Frequency: 47 - 63 Hz
    • Power: 12W
    • Output Voltage: 15 Vdc
    • Output Current: 800mA
    • Consumption Demand: 12W

What's In The Box

    • 1 x Amplifier (White / Black)
    • 1 x Plastic Surround (White / Black)
    • 1 x Back Plate
    • 1 x Power Supply
    • 1 x User Manual

Payment & Security

Secure Payments

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Maestro
  • Mastercard
  • PayPal
  • Shop Pay
  • Union Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Authorised Dealer

K&B Audio are authorised dealers for KB Sound. All sales come with a 2 Years manufacturers warranty and full technical support.

KB Sound In Wall BT Bluetooth Amplifier (No Speakers) - K&B Audio
KB Sound

KB Sound In Wall BT Bluetooth Amplifier (No Speakers)










Drive Type




Noise Cancelling



Single Zone

Music Sources



3.5mm AUX



TV Connection


Smart Features


Cut-Out Diameter


Mounting Depth


Power Handling




Driver Size




Frequency Response





2 Years
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