Series: PylePro Type: Pre-Amplifier Color: Black Power Output: Output Power: - 800 W RMS @ 2 Ohm - 550 W RMS @ 4 Ohm - 300 W RMS @ 8 Ohm Maximum Power: 3 kW Frequency Response: 40Hz-15KHz, +2dB THD: Speaker Switching: Speaker A/B or A + B FM/AM Tuner: Included