Adastra  |  SKU: 953.081UK

Adastra IWA-215B In-Wall Amplifiers with Bluetooth - 2 x 15W

£39.99 £47.70

Includes 1 Year 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


Stereo amplifier units for background music and public address in a minimalist housing for installation into cavity walls and ceilings.

Class-D amplifier design operates cleanly and efficiently with minimal heat dissipation, combined with an internal digital switch-mode power section, which enables easy connection directly from the local mains supply.

Bluetooth compatibility enables wireless streaming of audio files from a smart phone or other enabled device in addition to 3.5mm Aux input and an optical digital audio input, ideal for integrating into A-V systems.

For discreet and trouble-free installation without any need for table-top or cabinet installation, these amplifiers can be combined with many different speaker types to provide the ideal sound system for any small to medium space or deployed in numbers to create a wide area sound installation.


  • BLUETOOTH ON/OFF DEFEAT SWITCH: A simple switch allows you to easily turn the Bluetooth feature on or off, giving you complete control over your sound at any time.

  • OPTIMISED SOUND: Optical digital audio input It's the perfect solution for clean, high-fidelity sound. Connect to any compatible device for a powerful, distortion-free listening experience.

  • INPUTS AND OUTPUTS: 3.5mm stereo Aux input and output. Connect to a wide range of devices with ease. Use the Aux input to receive sound from a music player and Aux output for connecting to a speaker.

  • VOLUME CONTROLS: The master volume control makes it easy to set and maintain the perfect sound level for any environment.

Key Features

  • Zones
    Single Zone
  • Placement
    Freestanding, In Ceiling
  • Music Sources
  • Inputs
    3.5mm AUX, Optical
  • Outputs
    3.5mm Line Out
  • Warranty
    1 Year


    • Output Power: 4 ohms - 2 x 15W
    • Speaker Terminals: L-/L+/R-/R+ screw terminals (Euroblock)
    • Power Supply: 100-240Vac, 50/60Hz (fig.8)
    • Bluetooth Version: 4.0
    • Line Input: 3.5mm stereo aux & optical digital audio
    • Line Output: 3.5mm stereo jack
    • Dimensions: 122 x 89 x 33mm
    • Weight: 150g

What's In The Box

    • IWA Series In Wall Amplifier
    • Fig 8 Mains Power Lead
    • 2 x 3M Speaker Cables

Payment & Security

Secure Payments

  • American Express
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  • 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 Adastra. All sales come with a 1 Year manufacturers warranty and full technical support.

Adastra IWA-215B In-Wall Amplifiers with Bluetooth - 2 x 15W - K&B Audio

Adastra IWA-215B In-Wall Amplifiers with Bluetooth - 2 x 15W

£39.99 £47.70









Drive Type




Noise Cancelling



Single Zone

Music Sources



3.5mm AUX, Optical


3.5mm Line Out

TV Connection


Smart Features


Cut-Out Diameter


Mounting Depth


Power Handling




Driver Size




Frequency Response





1 Year
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