"Recognized No.1 Custom Retailer In The U.S.A." - by CE Pro
Take a Tour
Bowers and Wilkins BBISW4
B&W Back Box for ISW-4 Passive Subwoofer
No Interest if paid in full within 12 months.
Availability: In Stock
Installation Call 800-488-8400 or visit MODIA showroom near you to learn more about MODIA's award wining professional installation services. Contact us today for in-home consultation in Houston, Dallas or Austin. MODIA does not use third party contractors for services offered. MODIA's professional installation staff is insured and bonded for your protection.

Back Box recessed ceiling / wall for the ISW-4 model.

What's included in the box

  • The BB-ISW-4 MDF backbox prevents wall shake and cabinet distortions that plague other designs.
  • Back-box to optimize cabinet volume for the drivers and reduce acoustic bleed-through to other rooms.
  • Use of the BB-ISW-4 backbox is strongly recommended.

  • Description: Installation Subwoofermodul for external Subwooferverstärker
  • Chassis: 2 x 200 mm paper / Kevlar membrane
  • Frequency range: 6 DB 17Hz and 290Hz adjustable (EQ on A)
  • Frequency response: ±3dB 21Hz - 200 Hz adjustable (EQ on A)
  • Bass extension: 6 DB at 17Hz (location A)
        -6 DB at 21Hz (position B)
        -6 DB at 24Hz (position C)
  • Performance and impedance: 200W / 8o (minimum 6.3Ω)
  • Frame size: 524 mm
  • Frame width: 294 mm
  • Depth: 93 mm
  • Deep with Grill: 114 mm
  • Installation opening
  • Installation opening height: 485 mm
  • Installation opening width: 255 mm
  • Weight: 6.4kg
  • Framework and Grill: white (painting grade)
  • Accessories: optional pre-Mount Kit
Back box
  • Box: Height: 1406mm
  • Width: 345 mm
  • Depth: 86 mm
  • Weight: 9.6kg
  • Material: MDF