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Bowers & Wilkins ISW3 and SA250 Mk2 Bass Package

Passive in-wall subwoofer with matching external amplifier

Item # 700ISW3SA

Want great bass, but not a giant subwoofer on your floor? The ISW3 delivers tight, hideaway bass from inside your wall.

Want great bass, but not a giant subwoofer on your floor? The ISW3 delivers tight, hideaway bass from inside your wall.

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Item # 700ISW3SA

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About the Bowers & Wilkins ISW3 and SA250 Mk2 Bass Package

Bass that's heard, but not seen

There's something to be said for simplicity when it comes to high-end audio. If you prefer your listening room's décor on the leaner side, consider installing the Bowers & Wilkins ISW3. This passive subwoofer offers high-quality bass from behind your wall or ceiling — all you'll see in your room is an unassuming air vent.

Bass that's heard, but not seen

There's something to be said for simplicity when it comes to high-end audio. If you prefer your listening room's décor on the leaner side, consider installing the Bowers & Wilkins ISW3. This passive subwoofer offers high-quality bass from behind your wall or ceiling — all you'll see in your room is an unassuming air vent.

Bowers & Wilkins ISW3 in-wall passive subwoofer

The ISW3 passive subwoofer offers both in-wall and in-ceiling installation options.

Twin built-in woofers offer tight, responsive bass

The old adage of "two is better than one" can be applied to subwoofers. I personally prefer the performance of two smaller drivers that combine to move more air than a single larger woofer on its own. The resulting bass is tight and responsive — terrific for music and movies alike.

The ISW3 employs two 6-1/2" hybrid paper/aramid fiber cones to deliver punchy, accurate bass. It's an excellent choice for your in-wall home theater or stereo music system in a small- to medium-sized room. 

Ideal for new construction or renovations

The ISW3's in-wall enclosure is designed to install between two 16" on-center studs or joists before your wall or ceiling goes up. Its paintable louver grille is all you'll see in your room once the installation is complete.

Matching amplification included

This sub gets its power from the bundled Bowers & Wilkins SA250 Mk2 — an external, rack-mountable amplifier designed specifically for the company's in-wall subs. The amp connects to your home theater receiver or preamp/processor via a subwoofer cable, and to the ISW3 subwoofer via in-wall speaker wire.

A rich history of audio excellence

Founded in England in the 1960s, Bowers & Wilkins is known worldwide for their innovative hi-fi speaker designs and their premium headphones. Crutchfield is proud to offer a diverse selection of products from this legendary audio brand.

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Product highlights:

  • in-wall subwoofer with matching external amplifier
  • ideal for a discreet home theater or stereo music system
ISW3 passive subwoofer:
  • can be installed in the wall or in the ceiling
    • installs between two 16" on-center wall studs or ceiling joists
  • dual 6-1/2" hybrid paper/aramid fiber woofers
  • frequency response: 27-120 Hz (±3 dB)
  • impedance: 8 ohms
  • non-resonant, bass-reflex enclosure with front-firing port
  • includes paintable grille to match your décor
  • includes mounting bracket and hardware
  • overall dimensions: 12-15/16"W x 18-1/2"H x 9-3/8"D
  • weight: 27.6 lbs.
  • warranty: 2 years
SA250 Mk2 mono subwoofer amplifier:
  • 250-watt Class D amplifier
  • rack-mountable with included hardware
  • front-panel volume, phase, crossover, bass extension, and EQ controls
  • balanced XLR input and output
  • unbalanced stereo line-level RCA inputs and outputs
  • binding post speaker outputs
  • signal-sensing auto on/off mode
  • 3.5mm 12-volt trigger inputs for power-on and movie/music mode
  • 16-15/16"W x 3-15/16"H x 12-3/4"D (rack spaces: 2U)
  • warranty: 2 years
  • Our 60-day money-back guarantee
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More details on the Bowers & Wilkins ISW3 and SA250 Mk2 Bass Package

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Features & specs

Features
Quantity in Package Single
Tweeter ---
Aimable Tweeter No
Woofer Composition Paper/Aramid fiber
Woofer Surround ---
Moisture-resistant No
Connector Type ---
Bi-Amp Inputs ---
Built-in Back-box No
Specs
Tweeter Size ---
Midrange Size ---
Woofer Size 6.5
Cutout Size ---
Power Range (Watts) ---
Sensitivity ---
Impedance (Ohms) 8
Frequency Response 27-120Hz
Parts Warranty 2 years
Labor Warranty 2 years

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Passive in-wall subwoofer with matching external amplifier and back-box
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$1,999.97 each
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Get even deeper, more powerful bass

The Bowers & Wilkins ISW4 and SA250 Mk2 Bass Package offers these features:
  • ISW4 in-wall sub with larger dual 8" woofers
  • frequency response rated all the way down to 21 Hz
  • back-box in-wall enclosure for sub
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