B2
COnnECTiOnS AnD COnTrOlS AXTOn A4050X
q
s
/
HigH inPUT
High-level input port to connect the high-level adapter plug
to the speaker outputs of headunit, if no RCA line out is
available.
②
⑩
/
inPUT FrOnT + rEAr
Low-level RCA input for connection to head-unit pre-out.
③
⑨
/
gAin FrOnT + rEAr
Input gain/sensitivity control allowing the matching of the
amplifier input section to the head-unit (pre-out) output
voltage.
r
⑧
/
CrOSSOVEr FrOnT + rEAr
Crossover filter frequency control allowing the setting of the
Lowpass cut-off frequency between 50 and 250 Hz.
note: This control is not active when the amplification mode
switch is in ''Fullrange'' position!
⑤
⑦
/
HPF/lPF mODE SWiTCH
Depending on the selected switch setting the amplifier
operates in Highpass, Lowpass or Fullrange mode.
⑥
SPEAkEr COnnECTOr POrT
Port to connect the speaker output plug that carries the
amplified output of front and rear channels.
20
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••
Power connection terminal to chassis ground or negative
terminal of car battery.
⑬
Remote switching contact for the remote on/off toggling of
the power amplifier from the head-unit's remote lead.
⑭
Power connection terminal to positive terminal of car battery.
⑮
Fuses for protection of the amplifier-internal electronics
against overload or faulty operation / wrong manipulation.
⑯
Lit green when power is on. Lit red when amplifier is in pro-
tect mode due to shorted speakers, overtemp. etc.
grOUnD/gnD
rEmOTE/rEm
+12 V
FUSES
⑰
/
POWEr lED/PrOTECT lED