JL Audio Fathom ICS-SYS-108 In-Wall Subwoofer isoacoustics Mounting Type 1/4" 20 Threaded

Mounting Type 1/4" 20 Threaded Insert

which can hold up to six CI 720s without any modification

It's as simple as flipping a switch

Upgraded speaker terminals

Thanks to its composite construction

JL Audio Fathom ICS-SYS-108 In-Wall Subwoofer isoacoustics Mounting Type 1/4" 20 ThreadedJL Audio Fathom ICS SYS 108 In Wall Subwoofer In Ceiling Subwoofer System with Single 8 inch Subwoofer, 300 watts Created from the same innovative technologies used to develop our free standing powered subwoofers, the Fathom ICS in ceiling subwoofer systems are engineered to deliver outstanding bass performance, with nearly unlimited placement freedom. Purpose built to disappear into the ceilings of most home audio theater environments, the 8 inch