Powerful, solid and tight. The ARS300 is a slot loaded, Trajectory Port Coupled Bob Carver/Sunfire? Powered Subwoofer. Rated at 300 watts RMS with a freqeuncy response down to 22Hz, this subwoofer will provide life-like low frequency reproduction. The ARS300 subwoofer features a unique front panel Audio/Video contour switch with volume level control. These controls maximize the performance of the subwoofer in any system configuration. Connections include low level in, LFE in/out, high level in/out and phase and gain control. The ARS300 is magnetically shielded.