Infinity BassLink SM 2

8" compact powered under-seat subwoofer enclosure
 
powered subwoofer with heavy-duty ABS plastic enclosure
8" shallow-profile woofer
Class D amplifier (125 watts RMS)
10-gauge amp wiring kit required (sold separately)
low-pass crossover variable from 50-120 Hz at 12 dB per octave
bass boost (0 to +9 dB at 70 Hz)
speaker and line-level inputs
frequency response: 35-120 Hz