Operation Manual
Amplier Owner’s Manual
© 2010 Phoenix Gold • www.phoenixgold.com
FRONT AND REAR INPUTS
Connectpreampsignalcablesfromheadunittotheseinputs.Thefront
ANDrearinputsmustbeused,ifonlythefrontinputisusedthenthe
rearspeakeroutputswillhavenooutputsignal.
HIGH LEVEL INPUT
Connectafactorysystem’sheadunitoramplieroutputs.Usingthe
HIlevelinputtheamplierwillautomaticallyturnonandoffusingthe
factorysystem’saudiosignalasatrigger.Thehighlevelautoonswitch
turnsofftheautoturnonfunction,butthehighlevelinputstillworksas
normal.
CROSSOVER FREQUENCY
Controlsthecrossoverpointforthespeakeroutputs.
BASS BOOST
Variablebassboostfrom0to+18dB@45Hz.
LOW PASS LEVEL CONTROL (LPL)
Thisportisforconnectingtheoptionalremotelevelcontrol(LPL44).Thisallows
upto20dBofvolumeadjustment.Thisisnotabassboost,itcontrolsthelevelof
theentirelowpasssignaloftherearchannels.
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.S400.4minimum
impedanceis4ohmbridgedor2ohmstereo.
s400.4
4 Channel Power Amplifier