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KX300.4 / KX600.4 / KX800.4
Congratulations! You have just purchased the latest in amplifier tech-
nology to carry the famous KICKER name. Your KICKER KX series
amplifier is designed and built to give you years of powerful and trou-
ble-free performance. This installation manual contains valuable infor-
mation 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 50-
200 Hz. Defeatable for full range operation.
High & Low level inputs Allows connection to various sources such as: after-
market stereo, factory radio, DVD Player, Video Cassette Player, etc..
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.
Remote Bass Level Control Dash mounted for maximum control.
(Not included in the KX300.4)
Three Year Warranty When purchased from and installed by an Authorized
KICKER Dealer.

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Summary of Contents for Kicker KX300.4

  • Page 1 KX300.4 / KX600.4 / KX800.4 Congratulations! You have just purchased the latest in amplifier tech- nology to carry the famous KICKER name. Your KICKER KX series amplifier is designed and built to give you years of powerful and trou- ble-free performance. This installation manual contains valuable infor- mation on how to get the most out of your new KX series amplifier.
  • Page 2: Mounting Instructions

    Mounting Instructions When selecting a location to mount your Kicker amplifier be sure it is struc- turally sound and that there are no items behind the area that could be dam- aged by the screws. Check for brake lines, fuel lines, gas tanks, or wiring harness- es etc.
  • Page 3: Wiring Instructions

    Wiring Instructions Signal can be input into the amplifier using either the low level RCA input con- nections 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.
  • Page 4: Remote Bass Level Control

    Run the cable from the controller to the appropriate jack on the amplifier chassis. Mounting Surface REMOTE BASS LEVEL CONTROL KX300.4 NOT INCLUDED PHONE CABLE HI-LEVEL INPUT Amp 1...
  • Page 5: Bridged Operation (Mono)

    BRIDGED OPERATION (MONO) KX amplifiers are capable of operating into a minimum impedence of 4 ohms in Bridged operation. GROUND REMOTE TURN-ON SIGNAL IN AMP 2 18" SIGNAL IN AMP 1 or less +12V FUSE BATTERY Stereo And Bridged KX amplifiers are capable of operating into a minimum impedence of 2 ohms stereo and 4 ohms bridged operation.
  • Page 6: Bass Boost

    Adjusting Amplifier Controls On your Kicker amplifier there are six rotary controls on top and two switches on the end panel. These controls ensure the reliability and performance of the amplifier, so they need to be set correctly. CROSSOVER SWITCHES...
  • Page 7: Specifications

    Specifications Model KX300.4 KX600.4 KX800.4 RMS Power In Watts, All Channels Driven @ 13.8V, 4Ω Stereo, 0.085% THD 38 x 4 75 x 4 100 x 4 @ 13.8, 2Ω Stereo, 0.2% THD 75 x 4 150 x 4 200 x 4 @ 13.8, 4Ω...
  • Page 8: Troubleshooting

    There are two LEDs on the end panel of your Kicker KX series amplifier, one green and one red. When the green LED is lit this indicates the amplifier is turned on and no trouble exists.
  • Page 9 If you have more questions about the installation and operation of your new KICK K ER amplifier, see the Authorized KICK K ER Dealer in your area. You may also call our Technical Services Line at (405)624-8583 for assistance or visit our website at www.KICKER.com.
  • Page 10 Notes...
  • Page 11: What Is Not Covered

    (3) years from date of original purchase when purchased from and installed by an Authorized KICKER Dealer or one (1) year from date of original purchase if purchased from and not installed by an Authorized KICKER Dealer. If this product is labeled “B Stock”, it is warranted for one (1) year from date of purchase, regardless of place of installation.

This manual is also suitable for:

Kx600.4Kx800.4

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