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Kicker KX350.4 User Manual

Kicker KX350.4
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Kicker KX350.4 Specifications

General IconGeneral
Channels4
Frequency Response20 Hz - 20 kHz
Signal to Noise Ratio> 95 dB
Fuse Rating30A
Input Voltage14.4V
CrossoverHigh Pass / Low Pass

Summary

KX.4 Series Amplifier Owner's Manual

Attention to Purchase Details

Record purchase information and attach the original sales receipt for future reference.

Introduction to Kicker KX Amplifiers

Welcome message highlighting the advanced technology and performance of your new Kicker amplifier.

Amplifier Features

Operational Stability and Protection

Class A/B stable into 2 ohm stereo/4 ohm mono; SORT circuitry protects against various faults.

Power and Bass Enhancement

Efficient MOSFET power supply; variable bass boost up to 18dB at 40Hz for enhanced low-end.

Signal Input and Crossover Functionality

Supports high & low level inputs; built-in variable crossover (50-200Hz).

Connectivity and Advanced Features

Custom gold plated connectors for optimal power transfer; SAMS for simultaneous stereo/mono use.

Customization and Control

Features removable EndKaps for wiring concealment and a remote bass level control.

Warranty Coverage

Two-year warranty provided when purchased from an authorized KICKER dealer.

Installation Guide

Selecting a Mounting Location

Choose a structurally sound area, ensuring no damage to vehicle lines or components.

Ensuring Proper Ventilation

Select a location allowing adequate airflow to prevent overheating, especially in enclosed spaces.

Accessing Mounting Points

Remove the amplifier EndKap using the 3mm allen wrench for access to mounting holes.

Securing the Amplifier

Drill pilot holes with a 7/64" bit and use #8 screws to mount the amplifier securely.

Wiring Procedures

Signal Input Options

Connect using low-level RCA inputs (preferred) or high-level speaker inputs.

Ground and Power Wiring

Properly connect ground to chassis and install a fuse near the battery for the power wire.

Interconnect Cable Management

Route RCA cables away from power wiring, using twisted pairs and 90-degree crossings to minimize noise.

Wire Gauge and Fuse Recommendations

Consult the chart for appropriate wire size and fuse rating based on the amplifier model.

Installation Details

RCA Dummy Plug Functionality

Use RCA dummy plugs in AMP 2 inputs with High Level inputs for correct fader operation.

System Configuration Diagrams

Stereo Four Channel Setup

Diagram illustrating stereo operation at a minimum 2-ohm impedance per channel.

Bridged Mono Configuration

Diagram showing bridged mono operation at a minimum 4-ohm impedance.

Stereo and Bridged Operation

Diagram for combined stereo (2-ohm) and bridged (4-ohm) operation.

Controls and Operation

Crossover Switch Settings

Setting the internal crossover for full range, subwoofer (LO), or speaker (HI) output.

Gain Adjustment Procedure

Matching head unit output to amplifier input; adjust for optimal performance without clipping.

Crossover and Bass Boost Tuning

Fine-tuning crossover frequency and adjusting bass boost for desired sound characteristics.

Remote Bass Control

Mounting and Connecting Remote Bass

Instructions for mounting the remote bass level controller and connecting it to the amplifier.

Performance Specifications

RMS Power Output

Detailed RMS power ratings for all models across various impedance and THD+N conditions.

General Technical Specs

Includes dimensions, frequency response, input sensitivity, signal-to-noise ratio, and crossover details.

CEA-2006 Compliance Details

Explanation of CEA-2006 power and signal-to-noise ratio standards for each model.

Troubleshooting Common Issues

Interpreting LED Indicators

Understanding the meaning of green and red LEDs for amplifier status and protection.

Diagnosing No Output

Troubleshooting steps for no audio output, covering protection circuits and power issues.

Single Channel Output Problems

Resolving issues where only one channel is producing sound.

Help and Support Information

Addressing Audio Noise and Quality

Tips for resolving alternator noise and improving stereo image or bass response.

Vehicle Jump Start Safety Precautions

Important safety warnings regarding proper jumper cable connections to prevent damage.

Contacting Kicker Support

Guidance on seeking assistance from Authorized Dealers or Kicker Technical Services.

Warranty Policy

Limited Warranty Coverage

Details the warranty period (3 months/2 years) and conditions for defects in material and workmanship.

Warranty Service Procedures

Instructions for returning defective merchandise for repair or replacement.

Warranty Exclusions and Limitations

Lists conditions and damages not covered by the manufacturer's warranty.

Warranty Service Turnaround Time

Information on Kicker's goal for electronics service turnaround time.

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