BRIDGEABLE TRIMODE OPERATION; INPUT SENSITIVITY SELECTOR; VARIABLE BASS BOOST (0 18 DB); CONTINUOUSLY VARIABLE HIGH PASS & LOW PASS CROSSOVERS; LOW & HIGH LEVEL INPUTS; POWER & PROTECTION LEDS; HEAVY DUTY SET-SCREW STYLE TERMINALS; CHROME PLATED CONNECTIONS; ILLUMINATED LOGO; SIGNAL-TO-NOISE RATIO: 102 DB; FREQ RESP: 20 HZ 20 KHZ; DIM: 10"W X 2.19"H; 5-CHANNEL; 1800W MAX; 420W X 2 @ 4 OHM BRIDGED; 210W X 4 + 420W X 1 @ 2 OHM; DIM: 19.94"L