Alpine's PWA-S10V powered subwoofer

Product highlights:

• powered 10" subwoofer enclosure
• SWA-10S4 BASSLINE subwoofer
• Alpine MRV-M250 amp (250 watts RMS at 2 ohms)
• variable bass boost (0-12 dB at 50 Hz)
• variable low-pass crossover (50-400 Hz, 24 dB/octave)
• preamp and speaker-level inputs
• Remote Sensing automatic turn-on when using speaker-level inputs
• compatible with optional RUX-KNOB wired remote level control
• frequency response: 26-400 Hz
• 21-11/16"W x 13-3/16"H x 9-1/16"D1 x 11-13/16"D2