Please ask any and all questions before purchasing!PLEASE READ OUR RETURN POLICYThe BASS 1200 amplifier is a robust and efficient solution for those looking for excellence in sub-bass and bass frequencies. With 1200 W RMS and available in 1 Ohm, 2 Ohm or 4 Ohm versions, it has a frequency response of 8 Hz to 250 Hz, which makes it ideal for subwoofers. The audio inputs via RCA and WIRE (High Level) guarantee more versatility, allowing use with most players on the market, including original multimedia, without the need for adapters.Equipped with gain adjustment (0.2 to 4V), crossover with subsonic adjustment from 8 to 30Hz and LPF from 60 to 250Hz, and variable Bass Boost, it allows you to choose the central frequency between 35 and 60Hz and increase the bass by up to 10 dB.