JBL Single 8″ Low Profile Amplified Subwoofer Enclosure

8″ compact powered under-seat subwoofer enclosure
powered subwoofer with heavy-duty ABS plastic enclosure
shallow-profile woofer
Class D amplifier (125 watts RMS)
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
dimensions: 13-5/8″W x 2-7/8″H x 10-1/8″D