
2ZX AMPLIFIERS
ZX.1-SERIES AMPLIFIERS Owner’s Manual
INSTALLATION
Mounting: Choose a structurally sound location to mount your KICKER amplifier. Make sure there are no items
behind the area where the screws will be driven. Choose a location that allows at least 4” (10cm) of open
ventilation for the amplifier. If possible, mount the amplifier in the climate-controlled passenger compartment. Drill
four holes using a 7/64” (3mm) bit and use the supplied #8 screws to mount the amplifier.
Wiring: Disconnect the vehicle’s battery to avoid an electrical short. Then, connect the ground wire to the
amplifier. 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 ZX amplifier has dual input sensitivity differential RCA inputs which will receive either high or low level signals
from your car stereo’s source unit. Ideally, when connecting the source unit to the amplifier, the ZX amplifier’s
input level switch should be set to “LO” and a low-level signal should run from the source unit’s stereo RCA
PERFORMANCE
Authorized KICKER Dealer:
Purchase Date:
Model Number:
Serial Number:
Model: ZX300.1 ZX400.1 ZX500.1 ZX750.1
RMS Power
@ 14.4V, 4mono, d1% THD+N
@ 14.4V, 2mono, d1% THD+N 300W x 1
200W x 1
400W x 1
250W x 1
500W x 1
375W x 1
750W x 1
Length 13-1/2”
(342mm)
10-1/4”
(260mm)
12”
(305mm)
14-11/16
(373mm)
Selectable Electronic Crossover Lo-pass,
80Hz,
24dB/octave
Variable lo-pass 50–200Hz, 24dB/octave
Bass Boost +12dB, on/off,
40Hz
Variable 0–18dB @ 40Hz
Frequency Response ± 1dB 25Hz–20kHz 25Hz–200Hz
Specifications common to all models:
Height 2-1/8” (54mm)
Width 9-5/8” (244mm)
Signal-to-noise Ratio >95dB, A-weighted, re: rated power
Input Sensitivity Low Level: 125mV–5V
High Level: 250mV–10V
Subsonic Filter 24dB/octave, fixed @ 25Hz
Pro Tip: To get the best performance from your new KICKER Amplifier and extend the warranty by 1 year, use
genuine KICKER accessories and wiring.
MODEL: ZX300.1 / ZX400.1 / ZX500.1 / ZX750.1