Alto Truesonic TS212S Active Subwoofer *Ex-Display* | Reverb
Open Box Alto TS212S 12" Powered Subwoofer Level 1 | Guitar Center
Alto Professional TS212S | 12" Truesonic Subwoofer with Quiet, Fanless Cooling (1250W Peak Class D Power / 42-100Hz) : Musical Instruments - Amazon.com