Free Delivery on all orders over £99*

Adastra BC4B 4" 70W Stereo Speakers - Black (Pair)

£4299
The RRP is the manufacturer's recommended retail price of the item.
Limited Stock
We are an Independent UK Company
Price match. Found it cheaper? Contact us
Trade Discount Available
Description

The Adastra BC4B 4" Black Stereo Speakers are compact 2-way units designed for efficient background music and speech reinforcement. Featuring a 4" woofer and 1" balanced dome tweeter, they provide a frequency response of 110Hz–20kHz for balanced sound. With 70W max (35W RMS) handling, they are suited for offices, cafes, and smaller public spaces. The ABS housing and powder-coated steel grille ensure durability, and adjustable brackets are supplied for secure wall or ceiling mounting.

Key features:

  • 4" woofer with 1" balanced dome tweeter
  • 70W max / 35W RMS handling
  • ABS cabinet with steel grille
  • Black finish, supplied as a pair
  • Wall/ceiling brackets included
  • Frequency response 110Hz–20kHz
Specification
Woofer 100mmØ (4")
Tweeter 25mmØ (1") balanced dome tweeter
Power rms 35W
Power max. 70W
Colour Black
Frequency response 110Hz - 20kHz
Sensitivity 88dB
Dimensions (each) 150 x 200 x 150mm
Weight 1.25kg
Weight per set 2.5kg
Impedance 8 ohm
Downloads

Product Manual

You Might Also Like

Recommended For You

    Our Reviews

    From first click to final installation, our customers share how Niori lights up their spaces. Read their words and envision what’s possible for yours.

    Featured Projects

    Step into our portfolio and see how we transform homes, restaurants, and commercial spaces and more, worldwide. Click here for a closer look at our latest projects.

    Two Adastra BC4B 4" 70W black stereo speakers with metal grilles are displayed side by side. The adastra logo is prominently featured at the bottom of each speaker. Designed for wall mounting, these speakers deliver excellent music playback and feature a standard 8 Ohms impedance for optimal sound quality.
    AVSL

    Adastra BC4B 4" 70W Stereo Speakers - Black (Pair)

    £4299
    Description

    The Adastra BC4B 4" Black Stereo Speakers are compact 2-way units designed for efficient background music and speech reinforcement. Featuring a 4" woofer and 1" balanced dome tweeter, they provide a frequency response of 110Hz–20kHz for balanced sound. With 70W max (35W RMS) handling, they are suited for offices, cafes, and smaller public spaces. The ABS housing and powder-coated steel grille ensure durability, and adjustable brackets are supplied for secure wall or ceiling mounting.

    Key features:

    Specification
    Woofer 100mmØ (4")
    Tweeter 25mmØ (1") balanced dome tweeter
    Power rms 35W
    Power max. 70W
    Colour Black
    Frequency response 110Hz - 20kHz
    Sensitivity 88dB
    Dimensions (each) 150 x 200 x 150mm
    Weight 1.25kg
    Weight per set 2.5kg
    Impedance 8 ohm
    Downloads

    Product Manual

    View product
    Description

    The Adastra BC4B 4" Black Stereo Speakers are compact 2-way units designed for efficient background music and speech reinforcement. Featuring a 4" woofer and 1" balanced dome tweeter, they provide a frequency response of 110Hz–20kHz for balanced sound. With 70W max (35W RMS) handling, they are suited for offices, cafes, and smaller public spaces. The ABS housing and powder-coated steel grille ensure durability, and adjustable brackets are supplied for secure wall or ceiling mounting.

    Key features:

    • 4" woofer with 1" balanced dome tweeter
    • 70W max / 35W RMS handling
    • ABS cabinet with steel grille
    • Black finish, supplied as a pair
    • Wall/ceiling brackets included
    • Frequency response 110Hz–20kHz
    Specification
    Woofer 100mmØ (4")
    Tweeter 25mmØ (1") balanced dome tweeter
    Power rms 35W
    Power max. 70W
    Colour Black
    Frequency response 110Hz - 20kHz
    Sensitivity 88dB
    Dimensions (each) 150 x 200 x 150mm
    Weight 1.25kg
    Weight per set 2.5kg
    Impedance 8 ohm
    Downloads

    Product Manual