JVC KD-R646 / KD-R446 / KD-R445 / KD-R444 User Manual

The JVC KD-R646/ KD-R446/ KD-R445/ KD-R444 user manual explains operation, settings, and troubleshooting for these car audio head units.

Brand: JVC
Category: Automotive supplies
Document type: User Manual
Language: English
Pages: 14
File format: PDF
File size: 593 KB
Published: 29 September, 2026
Updated: 29 September, 2026
MD5 checksum: 1A86EE190E35A6C883E39C479399D117
PDF: JVC KD-R646 / KD-R446 / KD-R445 / KD-R444 User Manual PDF

About this manual

This manual provides step‑by‑step instructions for using the JVC KD‑R series head units, covering basic operation, source selection (CD, USB, iPod/iPhone, AUX), audio adjustments, and special functions such as lighting and EQ settings. It also includes safety warnings and preparation steps before installation in a vehicle.

Additional sections describe how to clean the unit, adjust brightness for day/night, configure radio presets, and perform troubleshooting and maintenance. Wiring diagrams and installation notes are provided for proper mounting and connection of power, antenna, and accessory cables.

What's inside

Before Use
Operation Controls
Audio Settings
Media Sources (CD/USB/iPod)
AUX Lighting
EQ and Balance
Troubleshooting
Cleaning and Maintenance
Installation Wiring

Specifications

Maximum Audio Power	less than 50 W
Antenna Current Rating	max 250 mA
Auxiliary Power Current Rating	max 200 mA
Brightness Step Range	0‑31

Frequently asked questions

What is the recommended way to clean the unit?

Wipe the panel with a dry, soft cloth; do not use liquids or abrasive materials.

How do I switch between audio sources such as CD, USB, and iPod?

Press the SOURCE key repeatedly to cycle through the available sources.

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