Martin Logan Grotto 15" Subwoofer Black

The MartinLogan Grotto 15 is a triple 15-inch sealed hybrid woofer system driven by 2,000 watts of amplification. Its elegant enclosure conceals raw, room-commanding bass performance, with ARC room correction, wireless audio, and app control ensuring perfection in any acoustical environment.

• Triple 15" sealed hybrid woofer system for extraordinary output and extension
• 2,000-watt amplifier for thunderous, controlled low-frequency authority
• ARC room correction, wireless audio, and smartphone app control
• Premium Gloss Black enclosure with a decor-friendly design