Soundstream PN1.1000D 1000W Monoblock Picasso Nano Series Class D Amplifier Picasso Nano Series Monoblock Class D Car Amplifier RMS Power Rating: 4 ohms: 350 watts x 1 chan. / 2 ohms: 600 watts x 1 chan. / 1 ohm: 1000 watt x 1 chan. Variable low-pass filter: 50 - 250 Hz, 12 dB/octave & Variable high-pass filter: 10 - 50 Hz, 12 dB/octave Input sensitivity: 200mV - 6V Pulse Width Modulated MOSFET power supply