Audiobahn A8000J 1000W Single-Channel Monoblock Intake Series Car Amplifier Monoblock Class AB Intake Series Car Amplifier RMS Power Rating: 4 ohms: 500 watts x 1 chan. 2 ohms: 1000 watts x 1 chan. PWM MOSFET power supply Large display volt meter with blue illumination Bass Boost on/off switch