DS18 G4000.5D Class D Full Range 4000W 5-channel Amplifier

G4000.5D 5 Channel Full Range  Class D 1 ~ 4 Ohm Stable 4 x 130 Watts  @ 4 Ohm + 1 x 900 Watts @ 1 Ohm Power/Protection/Clip Indicator Crossover/ Bass Control Knob POWER Total Watts (Peak)4000WRms Power @ 4 OHM4 x 130W / SUB: 300WRms Power @ 2 OHM4 x 220W / SUB: 600WRms Power @ 1 OHMSUB: 900WRms Power @ 4 OHM Bridge2 x 420W AUDIO Frequency Response20Hz-20KhzSignal To Noise Ratio>90 dBEfficiency @ 4 OHM83%Damping Factor78Input Impedance22 KChannel Separation55 dBTotal Harmonic Distortion (THD)0.01%Low Level Input Range0.25 - 6 VHigh Level InputNoSelectable X-overHPF/LPFX-over Filter RangeHPF:10-250Hz / LPF:50-250HzBass Boost Range0-12dBBass Boost FrequencyFixed @ 45HzInfrasonic Filter10-50Hz FEATURES Amplifier ClassDigital (D)Amplifier Type5CH Full RangeNumber Of Channels5 ChMinimum Impedance2ohm St / 4ohm Bridge (Puente) / 1ohm SubLed IndicatorPower | Protection | Clip /Power Input Terminal Size4 GAFuse SizeExternal / 160ARemote Level ControlYesThermal ProtectionYesOver-Load ProtectionYesDc Output ProtectionYesShort Circuit Output ProtectionYesVoltage Input ProtectionYesClipping ProtectionYesBody Color | FinishMatte Black MEASUREMENT Overall Length12.8" / 325mmOverall Wide4.72" / 120mmOverall Height1.96" / 50mmHeatsink Length11.02" / 280mmGross Single Unit Weight2.2Kg EXTRA FEATURE Input Selector2/4/5 ch