Wharfedale DP-4065N 4-channel PA-AmplifierDP 4065N 4 channels 8 Ohm 4 x 650 W 4 Ohm 4 x 1100 W 2 Ohm 4 x 1870 W 16 Ohm Bridged 2 x 1300 W 8 Ohm Bridged 2 x 2200 W 4 Ohm Bridged 2 x 3740 W 100 V Hi Z : No 70 V Hi Z 4 x 1100 W DP N Series Huge Class D power in a 1U rack 4 discrete amplification channels Internal DSP and computer control Stable down to 2 . Drive multiple speakers or line array elements FIR filtering with 512 taps 90 V to 260 V AC working voltage Dante connectivity 70 V