Bowers & Wilkins (B&W) ISW-4 In-wall Subwoofer Style:B&W ISW-4 sub + BB-ISW 4 + SA250 Mk2 amp in the various outdoor environments

in the various outdoor environments

Multichannel Pre Out Yes (11

Pure Direct: Yes

ANCC technology minimizes noise and distortion

25Vrms in 4Ω or 8 Ω)

Bowers & Wilkins (B&W) ISW-4 In-wall Subwoofer Style:B&W ISW-4 sub + BB-ISW 4 + SA250 Mk2 amp in the various outdoor environmentsThe 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