AXTON A1300 - Connections and Controls for A250; Controls Overview (A250); Inputs and Outputs (A250); Speaker Output Terminal (A250)

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1. CONNECTIONS + CONTROLS A250
1.1 CONTROLS
1 RCA INPUTS 1/2-CH
Low-level stereo RCA signal input 1/2-CH for connection to head-unit.
2 INPUT GAIN CONTROL 1/2-CH
Input gain potentiometer for channel 1/2-CH, to match the output voltage of the head-
 unittotheamplier’sinput.
3 HIGH INPUT 1/2-CH
Molex connector terminal to insert the High level adapter (4-pin) that picks up the
 ampliedspeakersignalfromtheheadunit’sfrontoutput(ifheadunitdoesnotfeature
dedicated RCA line outs).
4 OPERATION MODE SWITCH 1/2-CH
Slide switch to select the operation mode of the X-over for section 1/2-CH of the
 amplier.
5 X-OVER FREQUENCY CONTROL 1/2-CH
 Controlpotentiometertoadjustthehighpassorlowpasslteringfrequencyforsection 
 1/2-CHoftheamplier.
1.2 INPUTS + OUTPUTS
6 POWER LED
 LEDtoshow“operating”statusoftheamplierbygreen/redillumination.Greenis 
 normalworkingstate,redisprotectstateofamplier.
7 “GND” POWER INPUT TERMINAL
 Terminaltoconnecttheampliertothechassisgroundornegativepoleofthecar 
 battery.
8 “REM” INPUT TERMINAL
 Terminaltoconnecttheampliertotheautomatic(remote)turn-on/turn-offleadofthe
head unit.
9 “+12 V” POWER INPUT TERMINAL
 Terminaltoconnecttheampliertothepositive+12Vpoleofthecarbattery.
10 ATC FUSE HOLDER
 Fuseholderfor1x20AATCfuse.Neverdeployfusesofhigheramperagerating.
1. CONNECTIONS + CONTROLS A250
ThankyouforpurchasingthisAXTONamplier!
Tomaximizetheperformanceofthisamplierandyourcompletecaraudiosysteminstall,we
recommendthatyouacquaintyourselfthoroughlywithalltechnicalfeaturesandcontrolling
options of thisAXTONamplier.Please read this manual carefully, before attempting the
installation.
If,afterreadingthismanual,youstillhavequestionsregardingfunctionsortheinstallationof
theamplier,werecommendthatyouconsultyourdealer.
11 SPEAKER OUTPUT TERMINAL
 Outputterminaltoconnectthespeakerstotheamplierineitherstereoorbridged 
mode.
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