SimplyBT BT15W 4" 15W Bluetooth Outdoor Speakers

SimplyBT  |  SKU: TB7237
Colour: White


This CASTER AV outdoor speaker system gives you the freedom to stream your favourite music, internet radio and podcasts to the discreet yet stylish 4" wall mounted speakers.

Perfect for mounting on your patio, in the pergola or by the BBQ area.

Simply pair your phone and play your music.

No more lost cables, missing speakers or flat batteries to dampen the mood.


  • BLUETOOTH STREAMING: Wirelessly connect your phone or device to the speakers and stream your favourite music or radio stations directly in your garden. Anything your smart phone plays will come through the outdoor speakers.
  • READY TO INSTALL: This bundle comes with everything you need to add music to your patio or garden area, simply mount the speakers, wire back to the amplifier, connect your phone and you're ready to enjoy your music.

  • NO BATTERIES REQUIRED: As this is a fully wired system it's always ready to play your music. No more running out of battery just as your friends arrive for the BBQ.
  • WEATHERPROOF: With weather proof speakers in black or white you can leave the speakers out year round. Always ready to enjoy music.

    Key Features

    • Zones
      Single Zone
    • Placement
      On Wall
    • Music Sources
    • Power Handling
      30 Ws
    • Driver Size
    • Max. Speakers
      Two Speakers
    • Warranty
      1 Year



      • Depth (mm): 41
      • Height (mm): 27
      • Width (mm): 118
      • Net weight (kg): 0.128
      • Bluetooth Version: 4.0
      • Frequency Response (Hz): 80-18000
      • Power Input: 12V
      • Power RMS (W) @ 4 Ohms: 2 x 15W
      • Power Supply Included: Yes
      • Compatible with most bluetooth devices


      • 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 You Get

      • 1 x 2 x 15W Bluetooth Amplifier
      • 1 x Power Supply Unit
      • 10m x 2 Core Outdoor Speaker Cable
      • 1 x Pair Adastra BH4 On wall Speakers (White / Black)


    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 SimplyBT. All sales come with a 1 Year manufacturers warranty and full technical support.

    SimplyBT BT15W 4" 15W Bluetooth Outdoor Speakers - K&B Audio

    SimplyBT BT15W 4" 15W Bluetooth Outdoor Speakers










    Drive Type




    Noise Cancelling



    Single Zone

    Music Sources






    TV Connection


    Smart Features


    Cut-Out Diameter


    Mounting Depth


    Power Handling

    30 Ws



    Driver Size







    1 Year
    View Product