300W RMS X 1 @ 4? 400W RMS X 1 @ 2? 1% TOTAL HARMONIC DISTORTION S/N RATIO: 80 DB FREQ RESP: 20 HZ 20 KHZ MAX SIGNAL INPUT: 6V MIN SIGNAL INPUT: 200 MV 2? LOW IMP LOAD CAPACITY RCA LINE LEVEL OUTPUT LOOP THROUGH SOFT START TURN ON MULTI-MODE CAPABILITY OVERHEATING & SHORT CIRCUIT PROTECTION ADJUSTABLE REMOTE BASS BOOST CONTROL ADJUSTABLE GAIN CONTROL 40 HZ 40 HZ CROSSOVER MOSFET POWER SWITCHING TRANSISTORS ADJUSTABLE BASS BOOST: 0 +12 DB @ 45 HZ EXTRUDED ALUMINUM HEATSINK LINE LEVEL & SPEAKER LEVEL INPUTS