Subwoofer: 35Hz-400Hz High pass: 50Hz-1.5kHz Variable bass boost, 0-+18dB @ 45Hz Slope rate: 12dB/octave Signal-to-noise ratio: > 90dB Remote subwoofer level control Phase inversion switch for sub output Gold plated connectors LED power indicator Dimensions: 6 5/16?W x 5 1/8?D x 1 1/2?H Factory Reconditioned 1 Year Warranty