owners manual kenwood kdc-hd kdc-hd455u manual

The Kenwood KDC-HD455U is a high-performance car stereo receiver with HD Radio capability, USB connectivity, CD playback, and advanced audio controls. This unit features built-in Bluetooth for hands-free calling and audio streaming, SiriusXM Ready functionality, 3 preamp outputs, and customizable display settings. Below are key sections covering features, installation, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. Playing Media 8. Bluetooth Features 9. Care & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Main unit, Remote Control, Wiring harness, Installation accessories, User manual.

Feature	Description
HD Radio	Digital radio reception with crystal-clear sound
USB Connectivity	For iPod/iPhone and USB storage devices
Bluetooth	Wireless audio streaming and hands-free calling
CD Playback	Supports CD, CD-R, CD-RW formats
SiriusXM Ready	Satellite radio compatibility
3 Preamp Outputs	Front, rear, and subwoofer outputs
Variable Color Display	Customizable illumination colors
Steering Wheel Control	Compatible with interface adapters
Audio Controls	13-band equalizer, time alignment, crossover
Power Output	50W x 4 channels maximum

Installation

Unpack and inspect all components before installation.

Disconnect vehicle battery negative terminal for safety.
Remove factory radio using appropriate removal tools.
Connect wiring harness following color-coded wiring diagram.
Secure unit in dashboard and reconnect all connectors.
Reconnect vehicle battery and test functionality.

WARNING! Always disconnect battery before installation to prevent electrical shorts or damage.

First-Time Setup

Power on unit; initialize settings for optimal performance.

Set clock: Press SOURCE to enter standby, then hold SETUP for clock setting.
Pair Bluetooth: Access BT PAIRING in menu, search from mobile device.
Configure audio: Set EQ, crossover, and time alignment settings.
Program presets: Store favorite radio stations in memory.
Adjust display: Customize illumination color and brightness.

CAUTION! Ensure proper wiring connections to prevent electrical issues.

Specifications

Power Output: 50W x 4 (Max), 22W x 4 (RMS)
Tuner: FM/AM with HD Radio capability
CD Compatibility: CD, CD-R, CD-RW, MP3, WMA
USB: iPod/iPhone direct control, USB mass storage
Bluetooth: Version 2.1 + EDR, A2DP, AVRCP
Preamp Outputs: 3 channels (Front, Rear, Sub) - 2.5V
Display: Variable color LCD with dimmer control
Power Requirement: 12V DC negative ground
Dimensions: Standard DIN size (7" x 2")

Controls and Settings

Front Panel: POWER/VOLUME knob, SOURCE, BAND, FUNCTION, EJECT.

Remote: POWER, Numeric buttons, SOURCE, VOLUME, MUTE, TRACK UP/DOWN, BAND, PRESET.

Audio Settings: 13-band equalizer, Bass/Mid/Treble, Loudness, Subwoofer level, Time alignment. System Settings: Clock, Display color, Dimmer, Beep tone, Language. Bluetooth: Pairing, Phonebook access, Call history. Radio: Auto store, Local/DX setting, HD Radio blend.

Connecting Devices

USB: Connect iPod/iPhone or USB storage to front/rear USB port. AUX: 3.5mm auxiliary input. Bluetooth: Wireless connection for audio and phone.

Turn off unit before connecting devices.
Use genuine Kenwood cables for optimal performance.
Select appropriate source (USB, BT, AUX) for connected device.
For iPod/iPhone, use compatible USB cable for full control.

Tip: Ensure USB devices are formatted FAT32 for compatibility.

Playing Media

Supports CD, USB, Bluetooth audio streaming.

Insert CD: Press EJECT, load disc label-side up.
USB playback: Connect device, select USB source.
Bluetooth audio: Pair device, select BT audio source.
Navigation: Use TRACK buttons or rotary knob for track selection.
Repeat/Random: Press RPT or RDM for playback modes.
Folder selection: Use rotary knob to navigate USB folders.
Fast forward/rewind: Press and hold TRACK buttons.
Display info: Press DISP to show track title/artist information.

WARNING! Do not use damaged discs; avoid extreme temperatures during operation.

Bluetooth Features

Hands-free calling: Answer/end calls with remote or unit controls. Audio streaming: Wireless music playback from compatible devices. Phonebook access: Download and access contacts through unit.

Care & Maintenance

Clean with soft, dry cloth only. Avoid chemical cleaners. Keep discs clean and free of scratches.

CAUTION! Do not expose to direct sunlight or moisture for extended periods.

Regulatory Information

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Wiring/fuse	Check fuse, wiring connections, and battery connection.
No sound	Settings/connections	Check volume, mute setting, speaker connections.
Bluetooth not pairing	Device compatibility	Ensure device in pairing mode; delete old pairings; reset BT.
CD not playing	Disc/loading	Check disc format; clean disc; ensure proper insertion.
USB not recognized	Format/compatibility	Reformat to FAT32; check device compatibility; try different cable.

Reset: Hold SETUP while turning power on to reset to factory defaults.

Service: 1-800-536-9663; www.kenwood.com