Kicker KX350.2 User Manual

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Kicker KX350.2 User Manual

Introduction

KX.2 Series

Amplifier

Owner’s Manual

Two Channel Models: KX350.2 / KX450.2 / KX550.2 / KX850.2

Attention:

Please record your purchase information in the area below. We recommend attaching the original sales receipt to this manual for future reference.

If you require service on this speaker during the warranty period, you will need to provide this information and a copy of the original sales receipt to Kicker for validation of warranty repairs.

ALWAYS KEEP YOUR RECEIPT!

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.

This is your “fuel for Livin’ Loud”!

Authorized Kicker Dealer: _____________________________________________

Purchase Date: _____________________________________________

Amplifier Model Number: _____________________________________________

Amplifier Serial Number: _____________________________________________

2

KX AMPLIFIERS

Features

Low Impedance Operation Class A/B 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 undesirable operation.

MOSFET Power Supply Provides high efficiency operation.

KickBass Variable bass boost circuit which provides up to 18dB of boost at 40Hz.

Built-In Variable Crossover 12dB selectable High pass or Low pass variable from 50-200Hz. User 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.

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 clamping.

SAMS (Stereo And Mono Simultaneously) Amplifiers will operate into a bridged mono load and a stereo load at the same time.

Remote Bass Level Control Dash or center console mountable for remote fine-tuning of bass output.

EndKaps Cast aluminum, custom, removable covers to

protect and hide all your wiring connections to the amplifier. Can be prepped and painted any custom color you choose.

Two Year Warranty When purchased from an Authorized KICKER Dealer.

Features

KX AMPLIFIERS

3

Installation

Mounting

When selecting a location to mount your Kicker amplifier be sure it is structurally sound and that there are no items behind the area where the screws will be driven that could be damaged. Check for wire harnesses, 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 luggage compartment can reach upwards of 140° Fahrenheit (60° Celsius). An amplifier mounted here may require additional cooling tactics such as fans or venting ducts to the passenger compartment to allow cool operation. If possible, mount the amplifier in the climate-controlled passenger compartment.

Remove

Remove

Remove

Remove

Remember the controls on top of the amplifier will need to be accessible for adjustment. 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 EndKap. This will give you access to the mounting holes in the amplifier and all wiring connections.

With the EndKap removed, drill four holes using a 7/64” (11mm) drill bit and use the supplied #8 screws to mount the amplifier.

Use supplied #8 Mounting Screws

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KX AMPLIFIERS

Wiring

Signal can be input into the amplifier using either the low level RCA input connections or the high level (speaker level) input connections. Using the low level RCA connections is the preferred method. Use the high level inputs only if your source unit does not have low level RCA type outputs. Connecting to the amp with either input connection will provide a low level signal at the output (PAST) RCA jacks.

 

Speaker

Left +

Outputs

Left -

SOURCE UNIT

Right -

 

Right +

 

WARNING-Use Only One...Never Both At The Same Time !!!

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 potential of alternator noise and electrical interference.

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 paintand corrosion-free solid metal area of the car’s chassis. Use the same gauge wire as recommended for the amplifier’s 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 amplifier 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

 

 

 

 

 

KX350.2

50A

8 GA

 

KX450.2

60A

4 GA

 

KX550.2

70A

4 GA

 

KX850.2

120A

2 GA

 

 

 

 

Note: To get the best performance from your new Kicker Amplifier, we recommend using genuine Kicker Accessories and Wiring.

Installation

KX AMPLIFIERS

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