4 Channel Class D Power Amplifier, 1300W x 4 @ 8 Ohms - D4-6K

D4-6K is a 4 channel Class D power amplifier designed for professional sound reinforcement applications. It features front-panel level controls for channels A, B, C, and D, LED indicators for signal and clip status, stereo / bridge-mono / parallel-mono operation, Neutrik Combo input connectors, XLR link connections, and Neutrik Speakon 4 speaker outputs. The D4-6K delivers 1300W x 4 at 8 ohms, 2400W x 4 at 4 ohms, and 4800W x 2 bridged at 8 ohms. Key Features 4 channel Class D power amplifier 1300W x 4 @ 8 ohms 2400W x 4 @ 4 ohms 4800W x 2 bridged @ 8 ohms Stereo, Bridge-Mono, and Parallel-Mono operation Neutrik Combo input connectors XLR link connections Neutrik Speakon 4 speaker outputs Automatic speed motor fan cooling Protection for overheat, short circuits, DC, limit, soft start, output relay-zero current switch, and intellectual clip limiter Technical Specifications Output Power (THD ≤ 0.1%) 1300W x 4 @ 8 ohms 2400W x 4 @ 4 ohms 4800W x 2 bridged @ 8 ohms Performance Frequency response: 20Hz - 20KHz (+0 / -0.5dB) Signal to noise ratio: >105dB Crosstalk: >65dB T.H.D. (1KHz): <0.015% T.H.D. (20Hz - 20KHz): <0.03% Damping factor (F ≤ 1KHz 8Ω): >650 Slew rate: >45V / us Input / Output Input sensitivity: 0.775V, 1V, 1.4V Input impedance (balanced / unbalanced): 20K ohm / 10K ohm Rear connectors: Neutrik Combo input, XLR link, Neutrik Speakon 4 connectors output Input voltage: 100/240VAC 50-60Hz Controls Front panel control: level control, power on / off Rear panel control: input sensitivity selector, ground selector, operation mode selector, high pass filter selector, crossover selector, limiter selector Protection / Cooling / Indicators Protection: overheat, short circuits, DC, limit and soft start, output relay-zero current switch, intellectual clip limiter Signals: Power / Stand by LED, Protection LED, Signal LED, Clip LED, Bridge LED Cooling method: automatic speed motor fan cooling