Boss Audio BX55 Subwoofer

• Inputs: Front, Rear and Subwoofer • Outputs: Front, Rear and Subwoofer • Selectable Crossover Frequencies • Subwoofer: 45Hz–4.2kHz • Rear HP/BP (Selectable): 300Hz-4.6kHz • Front High Pass: 65Hz–4.5kHz • Variable Bass Boost, 0 - +18dB • Slope Rate: 12dB/Octave • Signal-to-Noise Ratio: >110dB • Remote Subwoofer Level Control • Low Pass Input Selector: Direct or Front/Rear Mix • Remote On/Off Power Control • LED Power Indicator • Subwoofer Phase Switch • DIMENSIONS: 8.75" x 7.44" x 1.5" – (222 x 189 x 38 mm)