4 Speaker Outputs. 500W per Channel. Class D Digital Amplifer. Compact 1U Housing. Built-in Cooling Fan with Temperature Control. Stereo- Mono or Bridge OperationMains Input: 220-240Vac- 50/60Hz Power Consumption: 680W Power 8 Ohms: 4 x 300W Power 4 Ohms: 4 x 500W Bridged 8 Ohms: 2 x 1000W Signal Inputs: XLR Female Speaker Outputs: Speakon Dimensions: 483 x 44 x 350mm Weight: 6.3Kg. The NewHank D2000 is a professional 4 channel amplifier using Class D technology. Each channel can provide 500W of power at 4 ohms- alternatively bridge the channels to achieve 2 x 1000W output. The compact and lightweight 1U casing houses a variable speed fan controller with temperature sensor. Accurate volume control- switch on/off- signal clip and protection LEDs are all 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-4 channel amplifier