Audiobahn A16000J 1800W Single-Channel Monoblock Intake Series Car Amplifier Monoblock Class AB Intake Series Car Amplifier RMS Power Rating: 4 ohms: 900 watts x 1 chan. 2 ohms: 1800 watts x 1 chan. PWM MOSFET power supply Large display volt meter with blue illumination Bass Boost (0-18 dB)