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Wiring: Disconnect the vehicle’s battery to avoid an electrical short. Then, connect the ground wire to the
amplifi er. Make the ground wire short, 24” (60cm) or less, and connect it to a paint-and-corrosion-free, solid,
metal area of the vehicle’s chassis. Adding an additional ground wire of this same gauge (or larger) between the
battery’s negative post and the vehicle chassis is recommended.
The KX amplifi er has dual input sensitivity differential RCA inputs which will receive either high or low level signals
from your car stereo’s source unit. A high-level signal can be run from the source unit’s speaker outputs to the
stereo RCA input on the end panel of the amplifi er using the KICKER ZISL as shown (make sure you set the KX
amplifi er’s input level switch to “HI”). Alternatively, the signal can be delivered to the amplifi er using the low-level
RCA outputs on the source unit. Set the input level switch on the end panel of the amplifi er to “LO”. Either input
method will provide a low-level output signal at the RCA output, which effectively passes the audio signal to
another amplifi er or component. Keep the audio signal cable away from factory wiring harnesses and other
power wiring. If you need to cross this wiring, cross it at a 90 degree angle.
source unit
high-level speaker
outputs
to amplifi er
shield
+
+
+
–
–
–
core conductor
KICKER ZISL (optional)
source unit high-level
speaker outputs
OR
to amplifi er
Model External Fuse
(sold separately)
Power/Ground Wire KICKER Wiring Kit
KX400.1 1 x 60 Ampere 4 Gauge PK4, CK44, ZCK44
KX800.1 1 x 100 Ampere 4 Gauge PK4, CK44, ZCK44
KX1200.1 1 x 150 Ampere 1/0 Gauge PKD1, PWB050
KX1600.1 1 x 150 Ampere 1/0 Gauge PKD1, PWB050
KX2400.1 1 x 200 Ampere 1/0 Gauge PKD1, PWB050
Install a fuse within 18” (45cm) of the battery and in-line with the power cable connected to your amplifi er. If you
ever need to remove the amplifi er from the vehicle after it has been installed, the ground wire should be the last
wire disconnected from the amplifi er--just the opposite as when you installed it.
2013 KX Mono Amps Rev G.indd 32013 KX Mono Amps Rev G.indd 3 11/13/2012 2:17:12 PM11/13/2012 2:17:12 PM