ADMARK AD-42 Class-D Professional Power Amplifier — 2 x 7800 Watts @ 4 Ohms, Dual Digital Signal LEDs, 1 U Rack Mount

Overview: ADMARK AD-42 professional Class-D high-power audio amplifier designed for venues, stages and clubs. The unit features a compact 1 U rack-mount steel chassis with shockproof, compressive-resistant construction, intelligent soft-boot and comprehensive protection against short-circuit, overload and overheating. Includes built-in low frequency exciter and dual digital signal LEDs for visual monitoring. Can operate in stereo, parallel and bridge modes and functions reliably across a wide supply range (can work under voltages of 60V to 400V). Connectors and controls: 2-channel input per channel: one balanced XLR with lock (female) input and one balanced XLR male output; speaker outputs use one SPEAKON per channel. Power cord: 1.5 meters long. Multiple-function switches: two sensitivity switches, one mode switch and one clip switch. Mechanical and shipping: Dimensions: 482 x 44 x 380mm / 482 x 44 x 470mm. Net weight: 10Kg / 12Kg (22.04 - 26 lbs). Packing size: 580 x 580 x 119mm / 615 x 615 x 119mm. Shipping weight: 12Kg / 14Kg. Performance (EIAJ Test Standard, 1 kHz, 1% THD): 2 x 4200 Watts 8 Ohms; 2 x 7800 Watts 4 Ohms; 2 x 8500 Watts 2 Ohms; 2 x 15600 Watts 8 Ohms Bridged; 2 x 17000 Watts 4 Ohms Bridged. Maximum power output figures: 1/8 Maximum Power Output in 4 Ohms: 2228 Watts, 12 Amps 2 Channel; 2228 Watts, 24.6 Amps Bridged. 1/4 Maximum Power Output in 4 Ohms: 3920 Watts, 23 Amps 2 Channel; 3920 Watts, 47.1 Amps Bridged. Power and supply: PFC power. Rated power demand: 100 - 240 V +/- 10%, 50/60 Hz. Operation voltage: 90V - 270V. Power correction factor cos f: >0.95. >500 W. Standby: 47W and 0.8A. Gain / Sensitivity settings: 32dB, 35dB, 38dB, 41dB. Maximum output voltage / current: 185V / 85A; 370V in the BRIDGE MODE. Power consumption: 230V / 115V in the BRIDGE MODE. Environmental and cooling: Operating temperature: 0 Degrees - 45C / 32 Degrees - 113 Degrees F. Cooling system: tunnel-through cooling system. Audio specifications: Frequency response: 20 Hz - 20 kHz (1 W, 8 ohms, +/- 0.5 dB). Signal-to-noise ratio: >110 dBA (20 Hz - 20 kHz, A-weighted). Crosstalk: > 66 dB (1 kHz). Input impedance: 10 k Ohms balanced. Distortion: Total Harmonic Distortion (THD): <0.5% from 1 W to full power (Typical value <0.05%) <0.5% from 1 W to full power (Typical value <0.05%). Intermodulation Distortion (IMD): <0.5% from 1 W to full power (Typical value <0.05%).