Bowers & Wilkins (B&W) ISW-4 In-wall Subwoofer Style:B&W ISW-4 sub +SA250 Mk2 amp While the cabinet design is

While the cabinet design is optimized using software

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Bowers & Wilkins (B&W) ISW-4 In-wall Subwoofer Style:B&W ISW-4 sub +SA250 Mk2 amp While the cabinet design isThe Bowers & Wilkins ISW 4 is a high performance in wall subwoofer designed to integrate powerful low frequency reinforcement into discreet architectural audio systems. Equipped with dual 8 inch long throw drivers, it is engineered to move significant air volume, producing deep, impactful bass while remaining completely hidden within a wall cavity. Paired with a dedicated external amplification system, it is ideal for custom home theaters and premium