FIXED LOW PASS CROSSOVER: 120 HZ; VARIABLE INPUT GAIN CONTROL; POWER & PROTECTION LED INDICATORS; LINE & SPEAKER LEVEL INPUTS; CHROME PLATED RCA CONNECTORS & SCREW TERMINALS; FREQ RESP: 12 HZ - 22 KHZ (+/-3 DB) ; 200W MAX; 50W X 2 @ 4 OHM; SIGNAL-TO-NOISE RATIO: 90 DB; THD @ RMS OUTPUT: 0.01%; DAMPING FACTOR: 125+; DIM: 5"L X 9"W X 1.75"H