Ceiling subwoofer

Adastra CSW8 dual coil ceiling subwoofer

£37.25 £44.70 incl. VAT

2 x 8 ohm 8″ dual coil stereo ceiling subwoofer




Adastra CSW8 2 x 8 ohm 8″ dual coil ceiling subwoofer

This ceiling speaker is fitted with an 8” sub-bass driver and 35mm voice coil. The moulded plastic frame features 4 mounting ears providing secure fixing into mineral tiles or false ceilings. Dual passive filters focus on low frequencies to ensure the efficient delivery of bass. The 2 pairs of spring terminals can be connected together to provide a 4 Ohms subwoofer with 80W handling. Alternatively, a stereo amplifier can be connected to each terminal with 8 Ohms load each up to 40W and then in parallel to left and right ceiling speakers to create a 2.1 system. Installing close to ceiling edges or corners will add warmth and power to thin sounding ceiling speakers for full range background music delivery

  • Supplied singularly
  • Low profile and space saving subwoofer
  • Dual coil for stereo connection
  • Coils can be paralleled for 4 Ohms operation
  • Dual passive filters for sub focus
  • Two spring-loaded terminal connections
  • Fitted with “dog-ear” mounts
  • Driver: 200mmØ (8″) coated paper
  • Voice coil: 35mmØ (dual wound)
  • Frequency response: 39 – 350Hz
  • Impedance: 2 x 8 Ohms or 1 x 4 Ohms
  • Power handling : rms 2 x 40W or 1 x 80W
  • Power handling : max. 2 x 80W or 1 x 160W
  • SPL @ 1W/1m: 82dB
  • Dispersion angle; 155º
  • Connections: 2 pairs spring terminal
  • Cutout: 238mmØ
  • Mounting: depth 90mm
  • Magnet weight: 488g (17.2oz)
  • Dimensions: 101 x 271mmØ
  • Weight: 2.11kg



Founded in 1949, Adastra has earned a reputation for delivering high quality public address systems.

Adastra strives to provide complete and versatile solutions for commercial installations, with specialist products provided for zoning, noise pollution control, portable public address and induction loop systems. A comprehensive range of associated products are also available, including speaker brackets, rack cabinets and microphones. These products have been created with the user in mind, offering a flexible and modular approach to installation sound systems. For over 60 years it has serviced the needs of the public address sector as a fully established brand name, celebrated for quality and excellence, and will continue to develop and diversify its range in order to remain at the forefront of the industry.

Additional information

Weight2.11 kg
Dimensions27.1 × 27.1 × 10.1 cm


There are no reviews yet.

Be the first to review “Adastra CSW8 dual coil ceiling subwoofer”

Your email address will not be published. Required fields are marked *

Product Enquiry

You may also like…