JBL BassPro SL 2 8" 250w Active Underseat Subwoofer
Product highlights:
powered subwoofer with heavy-duty ABS plastic enclosure
8" shallow-profile woofer
Class D amplifier (125 watts RMS)
controls:
low-pass crossover variable from 50-120 Hz at 12 dB per octave
variable bass boost (0 to +9 dB at 70 Hz)
phase switch (selectable 0 or 180 degrees)
speaker and line-level inputs