900 watts x 1 @ 4 ohms; 1,800 watts x 1 @ 2 ohms; 0 to 9 dB bass boost; Pro-Fi(TM) MOSFET components maximize power efficiency while improving sound quality and minimizing distortion; Sound Shield(TM) technology minimizes heat buildup in the aluminum heat sink, keeping the amplifier running cool while shielding music from distortions that can be caused by heat; High-quality circuitry allows amp to develop high levels of power with minimal distortion; Quality RCA materials help prevent interference and minimize distortion in the signal path; Includes wired bass remote and owner’s manual;