Bowers & Wilkins Subwoofer

Yes, the ISW-4 is a passive subwoofer and requires the included external 250W Class D amplifier to function. This setup ensures the subwoofer remains cool and performs efficiently even during demanding audio playback.

Yes, the ISW-4 features a semi-matte white finish specifically designed to be painted. This allows you to customize the exterior to blend seamlessly into your room's decor.

The ISW-4 is designed for custom in-wall installations and includes a pre-mount kit for new construction projects. It is best suited for standard stud-wall cavities, but you should consult with a professional installer to ensure your wall structure can accommodate the 99mm mounting depth.

Despite its discreet design, the dual 8-inch drivers provide impressive low-frequency performance with a frequency response down to 21Hz. It is engineered to move significant air, delivering the deep, resonant bass typically associated with much larger, freestanding subwoofers.

Absolutely. The dual long-throw drivers are designed to handle both the subtle nuances of music and the high-impact requirements of movie soundtracks, providing a balanced and immersive audio experience.

You will need a cut-out space measuring 485mm (19.9 inches) in height and 255mm (10 inches) in width. The unit itself has a depth of 99mm (3.9 inches), so ensure your wall cavity provides sufficient clearance for the housing.