In-Wall Subwoofers

Delivering perfect bass

The Bowers & Wilkins range of In-Wall Subwoofers offers an elegant method of providing full range sound in a fully installed system. High-performance audio meets flexible mounting options to create controlled, deep bass
anywhere that you want it.

In-Wall Subwoofers

Bass is a vital element of sound, which is why we have developed a brace of specially designed in-wall subwoofers for custom installation purposes. The ISW-3 and ISW-4 provide tight, controlled, yet deep bass without impacting on your living environment.

ISW-4


Model
ISW-4

In wall subwoofer system with external rack-mount amplifierDrive Units2 x 200mm (8 in) Paper/Kevlar® cone
ISW-3


Model
ISW-3

Drive Units2 x 165mm (6.5 in) Paper/Kevlar® cone
SA250 Mk2


Model
SA250 Mk2

250W rack-mount amplifier with built-in subwoofer equalisation

SA250 Mk2

Model SA250 Mk2 Description 250W rack-mount amplifier with built-in subwoofer equalisation Front panel: Rotary volume (line in)
Rotary low-pass filter frequency (4th-order Linkwitz, 40Hz - 140Hz)
Low-pass filter defeat 2-posn switch
Phase 0º/180º 2-position switch
Bass extension 3-position switch
Movie/music EQ 2-position switch
On/auto/s
Rear panel: Model select 2-position switch (ISW-3/ISW-4) Amplifier inputs 2x RCA Phono socket, line in
2x RCA Phono socket, link out
1x XLR socket, line in
1x XLR socket, link out
3.5mm jack - 12V trigger on/standby (overrides manual standby setting)
3.5mm jack - 12V trigger equalisation movie/music
Amplifier outputs 1x Neutrik® Speakon® 4-pole speaker socket
2x pairs of Binding Posts
Amplifier power output 250W Input impedance 33kΩ
Signal / noise >80dB Rated power consumption 95W – 1/8 full power
30W – Idling
<1W - Standby
Height 100mm (3.9 in) [88.5mm (3.5 in) plus feet] Width 430mm (16.9 in) Depth 322mm (12.7 in) Front panel height 2U 88.1mm (3.5 in) Net weight 5.4kg (11.9 lb) Finish Black

In-Wall & In-Ceiling

In-Wall Subwoofers

In-Wall & In-Ceiling
50 years of audio excellence

50 years of audio excellence

Bowers & Wilkins has 50 years’ experience in making the very best audio equipment in the world. From humble beginnings behind an electronics shop in Worthing, we are now a global leader in sound, with millions of satisfied customers around the world, and we continue to produce the finest loudspeakers, headphones and wireless speakers available.

Best materials


Materials science sits at the heart of our loudspeakers. From the pioneering use of Diamond and Kevlar® to the latest Continuum cones, we continually strive for the very best.

Innovation


The acoustic engineers at Bowers & Wilkins are constantly pushing the limits of their understanding of audio technology, and with it the understanding of the entire industry.

More to explore

Marine

Marine speakers

Our most durable speakers, designed for the toughest of Marine environments.

Marine
In-Ceiling

In-Ceiling speakers

Our In-Ceiling loudspeakers are designed to deliver pristine sound from above.

In-Ceiling
Custom theatre

Custom Theatre

Experience the joy of professional-quality surround sound with our award-winning Custom Theatre.

Custom Theatre
In-Wall

In-Wall speakers

Our In-Wall speakers deliver high-performance, pristine audio but don’t take up valuable floor space.

In-Wall

Copyright © 2017 Bowers & Wilkins. All rights reserved.