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Kenwood KAC-M645 User Manual

Kenwood KAC-M645
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© B64-3924-00/00 (MV)
4/3/2 CHANNEL POWER AMPLIFIER
KAC-M845
KAC-M645
INSTRUCTION MANUAL
B64-3924-0000M1English.indd1B64-3924-0000M1English.indd1 07.11.1511:29:30AM07.11.1511:29:30AM
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Kenwood KAC-M645 Specifications

General IconGeneral
Channels4
Frequency Response10 Hz - 50 kHz
Input Sensitivity0.2 - 5 V
Signal-to-Noise Ratio100dB
Dimensions8-1/8" x 2-1/8" x 7-1/8"
CrossoverHigh-pass/Low-pass
Weight3.5 lbs
Dimensions (W x H x D)8-1/8" x 2-1/8" x 7-1/8"

Summary

Safety Precautions

General Safety Warnings

Critical warnings and cautions to prevent injury, fire, and equipment damage during operation.

Operational Safety

Guidelines for preventing battery drain, proper cleaning, and understanding the protection function.

Installation Guide

Included Accessories

Lists all parts provided for the unit's installation and setup.

Installation Location Advice

Recommendations and cautions for choosing a suitable and safe installation location.

Unit Controls

Filter and Sensitivity Settings

Adjustments for speaker output filters (HPF/LPF) and input sensitivity controls.

LPF Frequency and Power Indicator

Control for B channel LPF frequency and the function of the power indicator light.

Connection Procedures

Installation Steps

Step-by-step instructions for installing the unit and making initial connections.

Wiring Best Practices

Essential guidelines and safety precautions for connecting power, ground, and signal wires.

Speaker Compatibility

Information on selecting speakers with appropriate power handling and impedance.

Input Connection Methods

RCA and Speaker Level Inputs

How to connect audio sources using RCA cables or speaker-level input terminals.

Terminal and Fuse Details

Specifics on connecting speaker outputs, power control, and fuse requirements.

Wiring Diagrams

Speaker Wire Configuration

Visual guide for stereo and bridged speaker wire connections.

Power Wire Setup

Diagram illustrating the connection of battery, ground, and power control wires.

Troubleshooting and Specifications

Resolving Common Problems

Solutions for issues like no sound, incorrect output levels, or distorted audio.

Technical Data

Comprehensive specifications for audio performance and general unit details.

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