Kicker KX200.2, KX 150.2, KX120.2 Owner's Manual
KX120.2 / KX150.2 / KX200.2
Congratulations! You have just purchased the latest in amplifier technology to carry the famous KICKER name. Your KICKER KX series
amplifier is designed and built to give you years of powerful and trouble-free performance. This installation manual contains valuable information on how to get the most out of your new KX series amplifier.
Thanks for buying KICKER. Enjoy!
KX Amplifier Features
NEW for 2002 Radically advanced chassis with removable chassis shroud.
Low Impedance Operation Stable into 2 ohm stereo or 4 ohm mono
loads.
SORT Protection Circuitry (Short circuit, Over-voltage, Reverse polarity,
Thermal) Protects amplifier from accidents and undesired operation.
MOSFET Power Supply Provides high efficiency operation.
KickBass Variable bass boost circuit which provides up to 18 dB of boost at 40
Hz.
Built-In Variable Crossover 12 dB High pass or Low pass variable from 50200 Hz. Defeatable for full range operation.
High & Low level inputs Allows connection to various sources such as:
aftermarket stereos, factory radios, DVD players, Video Cassette Player, etc.
PAST (Pre Amp Signal Transfer) Output RCA jacks to pass the incoming signal to
another amplifier or component.
Custom tooled gold plated connectors Assure maximum power transfer
and damping.
SAMS (Stereo And Mono Simultaneously) Amplifier will operate into a bridged
mono load and a stereo load at the same time.
Three Year Warranty When
KICKER dealer.
purchased from and installed by
an Authorized
Mounting Instructions
When selecting a location to mount your Kicker amplifier be sure it is structurally sound and that there are no items behind the area that could be damaged by the screws. Check for wiring, brake lines, fuel lines, gas tanks, etc.
All amplifiers generate heat under normal operation. Be sure to choose a location that allows adequate ventilation for the amplifier. Also consider that the air
temperature inside an automobile’s trunk can reach upwards of 140 degrees
fahrenheit. An amplifier mounted here may require additional cooling needs
such as fans or venting to allow cool operation. If possible, mounting the amp in
the passenger compartment will allow cooler operation.
Remember that the controls on top of the amp will need to be accessible for
adjustment later. Keep this in mind as you choose your amplifier’s mounting
location.
Now that you are ready to mount your amplifier, use the supplied 3mm allen
wrench to remove the amplifier shroud. This will give you access to the mounting holes in the amplifier and all wiring connections.
Remove
Remove
Remove
Remove
With the shroud removed, you now have access to the four mounting holes in
the mounting feet and all wiring connections. Drill 4 holes using a 7/64” drill bit
and use the supplied #8 screws to mount the amplifier.
2
Wiring Instructions
Signal can be input into the amplifier using either the low level RCA input connections or the high level (speaker level) connections. Using the low level RCA
connections is the preferred method. Use the high level inputs only if your head
unit does not have low level RCA type outputs. Connecting to the amp with
either input will provide a low level signal at the output (PAST) jacks.
Left +
Left -
Right -
Right +
Speaker
Outputs
WARNING-Use Only One...Never Both At The Same Time !!!
SOURCE UNIT
RCA
Outputs
The use of twisted pair interconnects is recommended for all installations to
minimize noise. When routing these cables through the automobile, try to keep
them away from factory wiring harnesses and other power wiring. If you need to
cross any of this wiring do so at a 90 degree angle to reduce the possibility for
noise problems.
When working with power connections it is always recommended that you disconnect the battery to prevent accidents.
The ground should be connected to the amplifier first before making any of
the other connections. This wire should be as short as possible (24 inches or less)
and connected to a paint/corrosion free solid metal area of the car’s chassis. Use
the same gauge wire as recommended for the amplifiers power connection to
the battery. Adding an additional ground wire between the car battery’s negative
post and the car chassis of this same gauge (or larger) is also recommended.
If you ever need to remove the amp from the vehicle after it has been
installed, the ground wire should be the last wire disconnected from the amplifier, just the opposite as when you installed it.
A fuse must be installed within 18 inches of the battery to protect the power
wire feeding your amplifier. This fuse should be of at least the same value used
in the amplifier but no higher than the capacity of the wire. See the chart below
for wire size and fusing recommendations.
Model Fuse Size Wire Size
KX120.2 25A 8 GA
KX150.2 30A 8 GA
KX200.2 40A 8 GA
3
System Diagrams
The following diagrams show the most common configurations for your Kicker
KX series amplifier.
TWO CHANNEL OPERATION (STEREO)
KX series amplifiers are capable of operating into a minimum impedance of 2
ohms per channel in stereo operation.
RIGHT SPEAKER(S)
GROUND
R-
REMOTE
TURN-ON
18"
or less
+12V
FUSE
R+
SIGNAL OUT
SIGNAL IN
-
L
L+
BATTERY
BRIDGED OPERATION (MONO)
KX series amplifiers are capable of operating into a minimum impedance of 4
ohms when in bridged operation.
GROUND
R-
REMOTE
TURN-ON
+12V
18"
or less
FUSE
R+
SIGNAL OUT
SIGNAL IN
L
-
L+
BATTERY
_
+
_
+
LEFT SPEAKER(S)
MONO
SPEAKER(S)
_
+
STEREO AND MONO SIMULTANEOUSLY (SAMS)
KX series amplifiers are capable of operating into a minimum impedance of 4
ohms mono and 2 ohm stereo simultaneously with the use of passive
crossovers.
RIGHT SPEAKER(S)
_
HIGH PASS
CROSSOVER
+
SIGNAL OUT
SIGNAL IN
_
HIGH PASS
+
CROSSOVER
LEFT SPEAKER(S)
REMOTE
TURN-ON
or less
+12V
BATTERY
GROUND
18"
FUSE
R
-
R+
-
L
L+
4
_
+
CROSS-
OVER
LOW
PASS
MONO
SPEAKER
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