Soft Start- Limit- Thermal- Short Circuit- Overload- DC Fault Protection and AC Power Supply Fuse Protection Circuits. Active- Signal and Clip LED Indicators. Switchable Stereo- Parallel and Bridge ModesMains Input: 220-240Vac- 50/60Hz Power 8 Ohms: 4 x 400W Power 4 Ohms: 4 x 700W Bridged 8 Ohms: 2 x 1200W Signal Inputs: 4 x XLR Signal Outputs: 4 x Speaker Dimensions: 483 x 88 x 460mm Weight: 9.6Kg. The CD4400 amplifier features high output power- outstanding sound quality and superior stability for a wide range of installed sound systems as well as portable live sound applications. This four channel amplifier has a RMS wattage of 4 x 700W and features Class D technology in a compact 2U package. Automatic clip limiting along with high efficiency tunnel cooling and DC fans ensure reliability time after time.. Power Amplifier-Audio Amplifier-4 Channel Amplifier