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 | core conductor | to amplifi er | KICKER ZISL (optional) |
|
high-level speaker | | | |
outputs | | | |
+
– 
shield
+
–source unit high-level
+– speaker outputs
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.
Model | External Fuse | Power/Ground Wire | KICKER Wiring Kit |
| (sold separately) | | |
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 |
2013 KX Mono Amps Rev G.indd 3