1 OHM STABLE; SWITCHABLE INPUT SENSITIVITY: 100 MV 2V OR 2V 8V; SWITCHABLE PHASE SHIFT (0 180 ); VARIABLE BASS BOOST (0 18 DB); CONTINUOUSLY VARIABLE LOWPASS CROSSOVER; VARIABLE SUBSONIC FILTER (15 HZ 40 HZ); LOW LEVEL INPUTS & OUTPUTS; POWER & PROTECTION LEDS; HEAVY DUTY SET-SCREW STYLE TERMINALS; CHROME PLATED CONNECTIONS; ILLUMINATED LOGO; SIGNAL-TO-NOISE RATIO: 105 DB; FREQ RESP: 20 HZ 250 HZ; DIM: 10"W X 2.19"H; 4000W MAX; 1500W X 1 @ 4 OHM; 2000W X 1 @ 2 OHM; 2800W X 1 @ 1 OHM; DIM: 15"L