Description:PowerProtection LEDsThermal OverloadSpeakers Short ProtectionBridgeableFeature:Material: Aluminium alloyAmplifier Class: Class A/BModel: WD628Channel: 4Input Voltage: DC 12VPeak Power Output: 6800 WattsPeak Power Output: 2 Ohms 1700 Watts x 4 ChannelsPeak Bridged Power Output: 4 Ohms 3200 Watts x 2 ChannelsRMS Power Output: 4 Ohms 120 Watts x 4 ChannelsTotal Harmonic Distortion (THD) RMS Output: 0.01%Signal-to-Noise Ratio (SNR): 90 dBMinimum Speaker Impedance: 2 OhmsMinimum Speaker Impedance in Bridged Mode: 4 OhmsPackage Included:1 X 6800W 4 Channel Car Amplifier