8 Speaker Outputs. 500W per Channel. Class D Digital Amplifier. 2U Housing. Built-In Cooling Fan with Temperature Control. Fully Automatic Protection Circuit for each Channel. Stereo- Mono or Bridge OperationMains Input: 220-240Vac- 50/60Hz Power Consumption: 2700W Power 8 Ohms: 8 x 300W Power 4 Ohms: 8 x 500W Bridged 8 Ohms: 4 x 1000W Signal Inputs: XLR Female Speaker Outputs: Speakon Dimensions: 483 x 88 x 357mm Weight: 12.6Kg. The NewHank D4000 is a professional 8 channel amplifier using Class D technology. Each channel can provide 500W of power at 4 ohms- alternatively bridge the channels to achieve 4 x 1000W output. The 2U casing houses a variable speed fan controller with temperature sensor. Accurate volume control- switch on/off- signal clip and protection LEDs are located on the front panel. Each channel has automatic circuit protection including direct current protection- thermal protection- over-load protection and amplitude limit. All connections can be found on the back panel. Speakers can be connected with speakon connectors. Inputs are via XLR female connections.. audio amplifier-power amplifer-8 channel amplifier