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5
OPERATION
Automatic Turn-On Selection: The KX series offers three different automatic turn-on modes that can be
selected on the end panel; +12V, DC Offset, and Audio. Using either the DC Offset or Audio mode causes the
REM terminal to have +12V out for turning on additional amplifi ers.
• Remote Turn-On: Set the switch to +12V to use the remote turn-on lead from your source unit. Run 18
gauge wire from the Remote Turn-On Lead on your source unit to the terminal labeled REM between the
amplifi er’s positive and negative power terminals. This is the preferred automatic turn-on method.
• DC Offset Turn-On: If Remote Turn-On is not an option, the next best setting is DC Offset. The DC Offset
mode detects a 6V DC offset from the HI-Level speaker outputs when the source unit has been turned on.
• Signal Sense Turn-On: The Audio setting is the fi nal alternative for Automatic turn-on. This is a Signal Sense
turn-on method that detects the incoming audio signal from your source unit and automatically turns on the
amp. This turn-on method will not work properly if the input gain control is not set appropriately.
Input Level: The RCA inputs on KICKER KX amplifi ers are capable of receiving either Hi or Low-level signals
from your source unit. If the only output available from your source unit is a Hi-Level signal, simply press in the
Input Level switch on the amplifi er. Refer to the wiring section of this manual for additional instructions.
Input Gain Control: The input gain control is not a volume control. It matches the output of the source unit to
the input level of the amplifi er. Turn the source unit up to about 3/4 volume (if the source unit goes to 30, turn it
to 25). Next, slowly turn (clockwise) the gain on the amplifi er up until you can hear audible distortion, then turn it
down a little.
Adjustable Subsonic Filter: The variable subsonic fi lter will provide a cut-off point for lower frequencies
(10–80Hz) that could potentially damage your speakers from over-excursion, along with wasting your amplifi er’s
power. The setting for this control should be set relative to your speaker’s low-frequency capability.
Crossover Control: The variable crossover on the amplifi er is always active, and allows you to adjust the LO-
PASS crossover frequency from 40–160Hz. The setting for this control is subjective; 80Hz is a good place to
start.
KICK EQ+ Bass Boost Control: The variable bass boost control on the side of the amplifi er is designed to
give you increased output, 0–18dB, at the selected frequency. A higher BANDWIDTH (Q) setting will result in
a sharper cut at the frequencies above and below the selected center frequency. The setting for this control is
subjective. If you turn it up, you must readjust the input gain control to avoid clipping the amplifi er.
Remote Bass-KXRC: With the optional KXRC remote bass level control, you have the ability to control the
output level of the amplifi er remotely. To surface-mount the KXRC remote bass level control, simply screw the
remote to the chosen location, then run the cable from the controller to the “Remote Bass” jack on the amplifi er
panel. Do NOT connect/disconnect while the amplifi er is on. See page 6 for installation.
Mini-USB for internal use only; do NOT remove or tamper. KICKER is not responsible for any
damage to equipment resulting from connections made to this port.
2013 KX Mono Amps Rev G.indd 52013 KX Mono Amps Rev G.indd 5 11/13/2012 2:17:13 PM11/13/2012 2:17:13 PM