KB Sound  |  SKU: 54104-W

KB Sound In Wall Premium FM/DAB Radio & Bluetooth Ceiling Speaker System (2.5" - 5")

Colour: White
Speaker Size

Includes 2 Years Warranty + 60 Day Returns

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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


The KB Sound In Wall Premium FM/DAB Radio & Bluetooth is a popular in wall Bluetooth speaker system with low profile in ceiling speakers designed for quality background radio and music streaming in your home.

It's perfect for use in kitchens, bedrooms, bathrooms, garden rooms and many more possibilities.

The stylish gloss black, white or stainless steel faceplates at the same size as a UK light switch will look at home in any room.


  • BLUETOOTH STREAMING: Wirelessly connect your smart phone, tablet or computer to the Mando unit via Bluetooth. Any music, radio station, podcast or audio book that your device can play will sound through the ceiling speakers from a range of up to 10 metres.

  • FM / DAB RADIO TUNER: Play your favourite radio station through the build in radio tuner at the touch of a button, no need to use your smart phone. With options for both FM or FM & DAB you'll be sure to find your favourite station. 

  • EASY TO USE: The In Wall Premium has been specially designed to be simple to operate with only the buttons you really need. The front plate features an on & off button, an input source select button to switch between radio & Bluetooth, volume up and down and channel up and down buttons.

  • STYLISH DESIGN: The In Wall Premium features a high gloss glass surround and faceplate. Available in black or white they look stylish and high-end in any decor. The Mando is also available in Silver which is a high quality stainless steel effect. Whatever your decor the Mando will fit right in.

  • SECURE PAIRING: Connecting to the In Wall Premium is very easy, you simply press and hold the power button for four seconds which initiates Bluetooth pairing mode allowing you to connect on your smart device. This is both easy to do and also prevents neighbours from connecting to your speaker system.
  • VOLUME LIMITER: If you're planning to install the Mando into a kids bedroom or in hospitality such as an hotel room or similar then you'll be pleased to know that you can easily adjust the amplifiers output volume to reduce the chance of annoying the neighbours.

  • STEREO / MONO SWITCH: A switch on the rear of the unit allows you to switch between stereo and mono playback mode. Most of the time you'll be using stereo, however if you want to put one speaker in the bedroom and one speaker in the en-suite then you can set it to mono mode to achieve this.


The In Wall Premium BT ceiling speaker system is surprisingly simple to install.

It sits in a standard UK back box (47mm deep) and can be fitted to either a flush mount box or a plasterboard box.

Powered from an in-line 15V transformer, much the same as a 12V downlight then connected to the ceiling speakers with the included 2 core speaker cable.

Once installed it is the same size and similar profile to a standard UK light switch meaning it's easy and discreet to fit into any room.

The In Wall Premium BT can be used to power ceiling speakers in the bathroom, but the amplifier should be mounted outside of the room.

Key Features

  • Zones
    Single Zone
  • Placement
    In Ceiling
  • Music Sources
    Bluetooth, FM Radio
  • TV Connection
  • Power Handling
    5 Ws
  • Driver Size
  • Max. Speakers
    Two Speakers
  • 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


    Size: 2.5"

    • Overall Diameter: 95mm
    • Cutout Size: 76mm
    • Depth: 36mm
    • Power Handling: 3W (nominal) 5W (max)
    • Impedance: 8 ohms
    • Frequency: 170Hz-12Khz
    • Colour: White

    Size: 5"

    • Overall Diameter: 182mm
    • Cutout Size: 150mm
    • Depth: 57mm
    • Power Handling: 10W (nominal) 20W (max)
    • Impedance: 8 ohms
    • Frequency: 90Hz-20Khz
    • Colour: White

What's In The Box

    • 2 x Ceiling Speakers (2.5" / 5")
    • 1 x Amplifier (White / Black / Silver)
    • 1 x Glass Surround (White / Black / Silver)
    • 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 Premium FM/DAB Radio & Bluetooth Ceiling Speaker System (2.5" - 5") - K&B Audio
KB Sound

KB Sound In Wall Premium FM/DAB Radio & Bluetooth Ceiling Speaker System (2.5" - 5")

From £269.99









Drive Type




Noise Cancelling



Single Zone

Music Sources

Bluetooth, FM Radio





TV Connection


Smart Features


Cut-Out Diameter


Mounting Depth


Power Handling

5 Ws



Driver Size




Frequency Response





2 Years
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