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Adastra BH4 4" Outdoor Speakers (Pair)

Adastra  |  SKU: 100.919UK
£59.99 £69.00
Colour: Black

Includes 1 Year 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


The Adastra BH4 are IP44-rated, robust speakers featuring a 100mm driver and a 13mm tweeter, all fitted into an efficient moulded cabinet.

They come with adjustable wall-mounted brackets that can adjust direction and angle for optimized sound.

Ideal for either indoor or outdoor use for background music at home.


  • WEATHER RESISTANT: IP44 rated durability that stands up to the elements and everyday wear and tear. With Adastra, you won't have to worry about the elements ruining your outdoor sound system.

  • ENJOY CRISP SOUND: 2-way, full-range sound production allows you to enjoy crisp highs and deep lows, with full mid-range support for a balanced, natural sound.

  • SUITABLE FOR ANY APPLICATION: Supplied with laterally adjustable wall mounting brackets, each speaker can also be adjusted to a variety of tilt positions to maximise sound directionality.

  • YOUR MUSIC, YOUR WAY: Pan & tilt mounting brackets included - A perfect way to ensure your sound is delivered exactly where you need it. Enjoy crystal-clear sound indoors and out.

Key Features

  • Type
  • Placement
    On Wall
  • Power Handling
    30 Ws
  • Impedance
    8 Ohms
  • Driver Size
  • Sensitivity
    89 dB
  • Warranty
    1 Year


    • Impedance: 8 Ohms
    • Power Handling: max. 60W
    • Power Handling: rms 30W
    • Frequency Response: 100Hz - 20kHz
    • LF Driver: 100mmØ (4")
    • HF Driver: 13mmØ (0.5")
    • Dispersion Angle: 120°
    • Sensitivity: 89dB
    • IP Rating: IP44
    • Dimensions (each): 195 x 127 x 126mm
    • Weight (each): 1.23kg

What's In The Box

    • 2 x BH4 Outdoor Speakers
    • 2 x Wall Mount Bracket
    • 1 x User Manual

Payment & Security

Secure Payments

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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 BH4 4" Outdoor Speakers (Pair) - K&B Audio

Adastra BH4 4" Outdoor Speakers (Pair)

£59.99 £69.00









Drive Type




Noise Cancelling




Music Sources






TV Connection


Smart Features


Cut-Out Diameter


Mounting Depth


Power Handling

30 Ws


8 Ohms

Driver Size



89 dB




1 Year
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