esFRASONIC©OD ®©®@OMo@) Fuse (15A x 4)2) Battery terminal3) Ground terminal4) SPEAKER OUTPUT terminalsAs this unit accepts speakers with a |minimum impedance of 2 ohms, connectspeakers with 2-ohm or higher impedance.to these terminals.ACAUTION |The rated input of the speakers should beno less than the maximum, output of theamplifier. Otherwise malfunction mayresult.6) SIGMA SERVO FEED BACKterminals (See p.11)ACAUTIONBe sure to make proper connections to theSIGMA SERVO FEED BACK terminals.Incorrect connection may result in lack of —sound output or other malfunctions.© RCA cable ground lead terminal@ LINE IN terminal(8) LINE OUT terminal@ Power control terminalEXT.AMP.CONT. (externalamplifier control) terminalThis controls the B.M.S. (See P.6).() INPUT SENSITIVITY controlAdjust this control according to the pre-outlevel of the center unit connected to thisamplifier. .Refer to “Specifications” on the centerFunit’ $ instruction manual about the pre-outlevel.4 EnglishLO PASSFREQUENCYBANDREJECT- oo)AG — —s—| OFF| ON OFFI ON. OFF J ONQ® © ® ®(2 Low Pass Filter switchWhen this switch is set to ON, the bass isboosted because the frequencies of thelower frequency band than the cutofffrequency set with the LPF FREQUENCYcontrol are output.@ LPF FREQUENCY control |Sets the cutoff frequency when the aeswitch is set to LPF.BAND REJECT filter switchWhen this switch is set to ON, frequenciesin the band set with the BAND REJECT.~. FREQUENCY control are rejected andeliminated. The band rejection allows toreduce resonance inside the vehicle’ -compartment and standing waves. (See.Pet?)(@ BAND REJECT FREQUENCYcontrolSets the rejection frequency when theBAND REJECT switch is set to ON.(See P.12)@ INFRASONIC FILTER switch —When this switch is set to ON, theinaudible, ultralow frequencies below thefrequency set with the INFRASONICFILTER FREQUENCY switch are cut off.This improves the reproduction .performance of the speakers by aiiviinatingunnecessary oscillations which will not | |become sound.(7) INFRASONIC FILTER FREQUENCYswitch —Switches the cutoff frequency when theINFRASONIC FILTER switch is set to ON.