This is a nice quality Aiwa TS-W35U Subwoofer. It features an impedance of 8 ohms.
Coustic subwoofers are designed to deliver high performance power at an unbeatable price. Polypropylene cone with excellent stiffness to weight ratio allows for high efficiency and high SPL. Large foam surround increases efficiency by further reducing weight. The all new Coustic subwoofers offer a solution for any enthusiast at an extreme value.
Bic America. Bic Rtr Rtr-Ev1200 12" 475-Watt Eviction Series Front-Firing Subwoofer. Specs: 475W Peak Power; Bash-Designed Amplifier; 12" Custom Eviction Series Woofer With High-Power Magnet; Freq Resp: 25 Hz-200 Hz; Variable/Adjustable Crossover: 40 Hz-180 Hz; Gold-Plated Speaker Level Inputs; Rca Input; Auto On/Off; Phase Switch; Adjustable Vo. Warranty: Five Years Woofer, 2 Years Amp.