Kenwood DPX308U Installation Manual

The Kenwood DPX308U is a digital media receiver featuring USB connectivity, Bluetooth wireless technology, AM/FM tuner with 18FM/6AM presets, CD playback capability, front AUX input, detachable faceplate security, and compatibility with various audio formats. Below are key sections for safety, features, installation, setup, 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 Connectivity 9. Care & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Digital media receiver, Remote Control, USB port, Bluetooth connectivity, Front AUX input, Detachable faceplate, Speaker outputs.

Feature	Description
USB port	For USB flash drives and iPod connectivity
Bluetooth	Wireless audio streaming and hands-free calling
Front AUX input	3.5mm auxiliary input for external devices
CD playback	Plays CD, CD-R, CD-RW formats
AM/FM tuner	18FM/6AM station presets
Detachable faceplate	Security feature to prevent theft
Power output	50W x 4 channels maximum
EQ settings	Bass, Treble, Loudness controls
Illumination	Green button illumination
Remote control	Included for convenient operation

Installation

Unpack and inspect contents. Ensure proper vehicle compatibility.

Disconnect negative battery terminal: For safety during installation.
Mount receiver: Use DIN sleeve and mounting kit for secure fit.
Connect wiring harness: Match wire colors and functions carefully.
Connect antennas: AM/FM antenna and Bluetooth microphone if used.
Reconnect battery: Test all functions before final assembly.

WARNING! Disconnect battery before installation to prevent electrical shorts. Ensure all connections are secure.

First-Time Setup

Power on unit; follow initial setup procedures.

Set clock: Press and hold SOURCE to access clock setting.
Program radio presets: Tune to desired stations and hold preset buttons.
Pair Bluetooth devices: Enter pairing mode and connect mobile devices.
Adjust audio settings: Set bass, treble, balance, and fader to preference.
Test all functions: Verify CD, USB, AUX, and radio operation.

CAUTION! Ensure proper ventilation around unit. Do not block cooling vents.

Specifications

Power Output: 50W x 4 (Max), 22W x 4 (RMS)
Tuner: AM/FM with 18FM/6AM presets
CD Compatibility: CD, CD-R, CD-RW
USB Support: MP3, WMA playback from USB devices
Bluetooth: A2DP, AVRCP, HFP profiles
Audio Inputs: Front AUX (3.5mm)
Illumination: Green button lighting
Security: Detachable faceplate
Power Requirement: 12V DC, negative ground
Dimensions: DIN size (178mm x 50mm)

Controls and Settings

Front panel controls: POWER/VOLUME knob, SOURCE button, BAND button, AUDIO button, TUNE/TRACK knob.

Remote: POWER, SOURCE, VOLUME, MUTE, BAND, PRESET, TRACK, PLAY/PAUSE.

Audio Settings: BASS, TREBLE, BALANCE, FADER, LOUDNESS. Radio: Manual tuning, Seek tuning, Preset memory. Source Selection: CD, USB, BT AUDIO, AUX, TUNER. Display: Clock display, Source indication.

Connecting Devices

USB: Front USB port for flash drives. AUX: 3.5mm front input. Bluetooth: Wireless connection for audio and calls.

Turn off unit before connecting devices.
USB devices: Connect directly to front USB port.
AUX devices: Use 3.5mm cable from device to front AUX input.
Bluetooth: Enable pairing mode and connect mobile devices.
Select source: Use SOURCE button to switch between inputs.

Tip: Format USB drives to FAT32 for best compatibility.

Playing Media

Supports CD, USB media, Bluetooth audio, and AUX input.

CD playback: Insert CD, automatic play begins.
USB playback: Connect USB device, select USB source.
Track navigation: Use TUNE/TRACK knob or remote TRACK buttons.
Play modes: Normal, Repeat, Random play available.
Fast forward/rewind: Press and hold TRACK buttons.
Pause: Press PLAY/PAUSE during playback.
Folder navigation (USB): Use TUNE knob to browse folders.
File support: MP3, WMA audio files.

WARNING! Do not use damaged CDs. Keep USB connections clean and dry.

Bluetooth Connectivity

Wireless audio streaming and hands-free calling capability.

Enter pairing mode: Press SOURCE until BT AUDIO appears.
Search on device: Enable Bluetooth on mobile device.
Select "KENWOOD": From available devices list.
Confirm pairing: Accept connection on both devices.
Audio streaming: Play audio from connected device.
Phone calls: Answer/end calls with remote or unit controls.

Note: Keep mobile device within 10 feet for optimal connection.

Care & Maintenance

Clean with soft, dry cloth only. Avoid liquids and abrasive cleaners.

Faceplate care: Remove carefully, store in protective case. CD lens: Use cleaning disc if necessary. Ventilation: Keep vents clear of obstructions.

CAUTION! Do not use chemicals on display or controls. Store faceplate in cool, dry place.

Regulatory Information

FCC Part 15: Class B digital device compliant. Bluetooth qualified device. Copyright © Kenwood Corporation. For support, visit www.kenwood.com or contact authorized service centers. This device complies with part 15 of FCC Rules.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Wiring/fuse	Check battery connection; verify fuse; ensure ground connection.
No sound	Settings/speakers	Check volume; verify speaker connections; check mute setting.
Bluetooth not connecting	Pairing/range	Delete old pairing; ensure device in range; restart both devices.
CD not playing	Disc/loading	Check disc for damage; ensure proper insertion; clean lens.
USB not recognized	Format/compatibility	Reformat to FAT32; check file compatibility; try different USB device.
Poor radio reception	Antenna/connection	Ensure antenna connected properly; check antenna cable.

Reset: Disconnect battery for 30 seconds to reset unit.

Service: Contact authorized Kenwood service center for repairs.