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11
SX .4 Series Amplifiers
Installation
USING THE SIGNAL OUTPUT JACKS (PAST)
The Output (
P
re
A
mp
S
ignal
T
ransfer) RCA jacks allow you to
send the incoming signal from the AMP 1 RCA input jacks on
one Kicker SX.4 series amplifier to another amplifier or proces-
sor without the need for Y cables. The signal from the
PAST
jacks is identical to the signal fed to the amplifier via its AMP 1
RCA input jacks and is not affected by any of the amplifier’s
built-in digital signal processing.
Most head units with high voltage outputs should be capa-
ble of driving up to ten amplifiers in a chain.
If only using one RCA cable to feed signal into your SX.4
series amplifier, be sure to use the AMP 1 input on the
amplifier. The AMP 1 input will feed signal to AMP 2 and the
PAST
RCA jacks.
If your source unit has front and rear RCA outputs and you
want to enable fading, simply use an additional cable to
connect AMP 2 to your source unit.
SOURCE UNIT
To Next Amplifier or Processor
AMP 1 RCA CABLE (FRONT)
AMP 2 RCA CABLE (REAR)
10
SX .4 Series Amplifiers
Installation
STEREO AND BRIDGED SIMULTANEOUSLY
SX.4 series amplifiers are capable of operating into a minimum imedance of 2 ohms per
channel in stereo mode and 4 ohms bridged in mono mode. AMP 1 can be bridged while
AMP 2 is in stereo OR
AMP 2 can be bridged while AMP 1 is in stereo.
R
M1 M2 M3 M4
ESC ENT
HOME
SYS
MEM-1
GAINEQLPFHPF KOMP
AMP1
LOCK
MEM-2 MEM-3 MEM-4
PHASE
MUTE
AMP2
LEFT RIGHT
** kicker
L+
L
-
R+
R
-
SPEAKER(S)
+
_
GROUND
REMOTE
TURN-ON
BATTERY
+12V
FUSE
18"
or less
SIGNAL OUT
AMP 1 IN
AMP 2 IN
L+
L-
R+
R
-
+
SPEAKER(S)
RIGHT
LEFT
_
+
_
SPEAKER(S)
BRIDGED
These are just a few of the many ways you can use your SX.4 series Kicker amplifier.
These system diagrams are designed to give you a basic understanding of the most com-
mon uses for this amplifier. For more complex systems please visit your local authorized
Kicker dealer. You can also download the SX Technical Manual from our website at
www.kicker.com for more detailed information and complex system diagrams.