INPUT
Connectpreampsignalcablesfromtheheadunittotheseterminals.
HIGH LEVEL INPUT
Connectafactorysystem’sheadunitoramplieroutputs.Usingthe
HIlevelinputtheamplierwillautomaticallyturnonandoffusingthe
factorysystem’saudiosignalasatrigger.Thehighlevelautoonswitch
turnsofftheautoturnonfunction,butthehighlevelinputstillworksas
normal.
OUTPUT
Providesafullrangesignalforanadditionalamplier.Thereisnosignal
lossifusingthisoutput.
CROSSOVER FREQUENCY
Controlsthecrossoverpointforthespeakeroutputs.
BASS BOOST
Variablebassboostfrom0to+18dB@45Hz.
2ch/4ch MODE
2ch:HeadunithasonepairofcablesintofrontInput.
4ch:Headunithastwopairsofcablesintofrontandrearinputs.
LOW PASS LEVEL CONTROL (LPL)
Thisportisforconnectingtheoptionalremotelevelcontrol(LPL44).Thisallows
upto20dBofvolumeadjustment.Thisisnotabassboost,itcontrolsthelevelof
theentirelowpasssignaloftherearchannels.
REMOTE MONITORING DISPLAY (RMD)
ConnectoptionalRMDVoltageDisplaytothisport
LEVEL
Usedtoreachmaximumamplierpowerwithawidevarietyofheadunits.
CONFIG
FLAT:Crossoversareturnedoff
HP:Highpasscrossoverison
LP:Lowpasscrossoverison
12V+
Thismustbeconnectedtothefusedpositiveterminal(+12V)ofthe
car’sbattery.Thefusemustbelocatedwithin18inchesofthebattery.
REMOTE
Thismustbeconnectedtoswitched+12V,usuallyatriggerwire
comingfromtheheadunitorignition.ThisisnotusedifusingHiinput
autoonfeature.
GND
Thismustbeconnectedtothenegativeterminalofthecar’sbatteryor
boltedtoaclean,unpaintedpartofthechassisofthevehicle.
SPEAKER OUTPUTS
Usedtoconnecttheampliertospeakers.Usetheleft+andright-terminalsfor
bridgedmode.Minimumimpedanceis4ohmbridgedor2ohmstereo.
R500.4 - R300.4
4 Channel Power Amplifier