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Limit 15 per order · Extended holiday returns
Returnable until Jan 15, 2027
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
To initiate a return, please visit our Returns Center.
Full return policy
At a glance
- Condition
- New
- Model
- ISW-4
- Dimensions
- 11.02H × 16.14W × 25.2D in
- Weight
- 19.84 lb
- Color
- Black
- Woofer Size
- 8 in
- Impedance
- 8 ohms
- In the box
- ISW4 In-wall passive subwooferMounting bracketGrille Frame gasket6 M5 boltsB&W logo stickerPaint maskCutout templateCustom Installation booklet
- Warranty
- Parts: 5 years · Labor: 5 Years
Features 6
- High-End Subwoofer Indulge in powerful, seamless bass with the Bowers & Wilkins ISW4 Subwoofer. With a weight of 21.2 lbs, it boasts a sleek design and top-notch sound performance, creating an immersive audio experience in your room
- Immersive Bass Performance Experience tight and responsive bass with this home subwoofer featuring dual 8” hybrid paper/aramid fiber woofers. Precision-engineered drivers move more air, delivering captivating sound for music and movies in medium to large-sized rooms
- Easy Installation Crafted for convenience, this in-wall subwoofer perfectly fits between 16" on-center studs/joists, making it an excellent choice for both new constructions and renovations. Its paintable grille seamlessly blends with your decor, ensuring a flawless integration
- Amplifier Compatibility Enhance your audio with deep and rich bass by combining this subwoofer with B&W's SA250 Mk2 Amplifier (sold separately). Easily connect the sub to your home theater receiver or pre-amp/processor using an in-wall speaker wire for enhanced sound quality
- Reliable Connectivity Get outstanding audio fidelity with the Bowers & Wilkins ISW4 passive subwoofer. Its gold-plated spring-post terminals offer superior signal transfer and long-lasting corrosion resistance, ensuring years of unparalleled performance
- Flexible Placement The ISW4 offers versatile installation choices, including in-ceiling, in-wall, under-the-floor, or kitchen-cabinet placement. Easily secure the enclosure using angled "L"-brackets, customizing the setup to suit your space and preferences
Description
Immerse yourself in a captivating audio experience with the Bowers & Wilkins ISW4 Subwoofer, weighing a mere 21.2 lbs, yet delivering powerful and seamless sound with its dual 8” hybrid paper/aramid fiber woofers. Precision-engineered for tight, responsive bass, this subwoofer is perfect for music and movies in medium to large-sized rooms, creating an unparalleled sensation. Designed for convenience, it easily fits between 16" on-center studs or joists, making it ideal for new constructions or renovations, while its paintable grille seamlessly integrates with your decor. For optimal audio quality, pair it with the Bowers & Wilkins SA250 Mk2 Amplifier (sold separately) and connect to your home theater receiver or pre-amp/processor using an in-wall speaker wire. Its compact design ensures durable connections with gold-plated spring-post terminals, providing excellent audio signal transfer and long-lasting corrosion resistance. With multiple installation options like in-ceiling, in-wall, under-the-floor, or kitchen-cabinet setups, and angled "L"-brackets for secure mounting, customize your audio setup with ease. Elevate your audio to new heights with the Bowers & Wilkins ISW4 Subwoofer and experience the true essence of sound. Enjoy an unparalleled audio journey that brings your music and movies to life like never before. Indulge in rich, powerful bass that fills your room, enhancing your favorite entertainment with depth and clarity that leaves a lasting impact.
Specs 21
| Brand | Bowers & Wilkins |
|---|---|
| Model Number | ISW-4 |
| Color | Black |
| RMS Power | 0 watts |
| Woofer Size | 8 inches |
| Minimum Frequency Response | 21 hertz |
| Maximum Frequency Response | 200 hertz |
| Sensitivity | 0 decibels |
| Impedance | 8 ohms |
| Firing Direction | Front |
| Subwoofer Type | Passive |
| Enclosed | Yes |
| Indoor Or Outdoor Use | Indoor |
| Network Connector(s) | 1 x 3.5mm mono in |
| Subwoofer Connection Type | Binding posts |
| Wireless | No |
| Product Height | 11.02 inches |
| Product Width | 16.14 inches |
| Product Depth | 25.2 inches |
| Product Weight | 19.84 pounds |
| Remote Control Included | No |
No specs match.
Frequently asked questions
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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