What does “UNSUPPORTED DEVICE” mean on my Kenwood Car Stereo System?
If “UNSUPPORTED DEVICE” appears on your Kenwood Car Stereo System: - Check whether the connected USB device is compatible with this unit and ensure the file systems are in supported formats. - Reattach the USB device.
How to improve poor radio reception on my Kenwood Car Stereo System?
To improve poor radio reception on your Kenwood Car Stereo System: - Connect the antenna firmly. - Note that you might experience static noise while listening to the radio.
What to do if my Kenwood Car Stereo System does not work at all?
If your Kenwood Car Stereo System does not work at all, try resetting the unit.
What does 'MISWIRING CHECK WIRING Turn the power off, then check to be sure the terminals of THEN PWR ON' mean on my Kenwood Car Receiver?
The message 'MISWIRING CHECK WIRING Turn the power off, then check to be sure the terminals of THEN PWR ON' on your Kenwood Car Receiver indicates a wiring issue. Turn the power off, then check to be sure the terminals of the speaker wires are insulated properly. After checking the wiring, turn the power on again.
What does 'HF ERROR XX'/'BT ERROR' mean on my Kenwood Car Receiver?
If your Kenwood Car Receiver displays 'HF ERROR XX' or 'BT ERROR', reset the unit and try the operation again.
What does “NO INFO”/“NO DATA” mean on my Kenwood Car Stereo System?
If “NO INFO”/“NO DATA” appears on your Kenwood Car Stereo System, the Bluetooth device cannot get the contact information.
What does “MEMORY FULL” mean on my Kenwood Car Stereo System?
If “MEMORY FULL” appears on your Kenwood Car Stereo System, you have reached the maximum storage limit of your iPod/iPhone.
What does “DISCONNECTED” mean on my Kenwood Car Stereo System?
If “DISCONNECTED” appears on your Kenwood Car Stereo System, it means the USB is disconnected from the head unit. Please make sure the device is connected properly through USB.
What does 'CHECK APP' mean on my Kenwood KDC-BT640U Car Receiver?
If your Kenwood Car Receiver displays 'CHECK APP', it indicates that the Spotify application is not connected properly or the user is not logged in. To resolve this, end the Spotify application, restart it, and then log in to your Spotify account.
Why can't I hear any sound from my Kenwood Car Stereo System?
If you cannot hear any sound from your Kenwood Car Stereo System, try these steps: First, adjust the volume to the optimum level. If that doesn't work, check the cords and connections to ensure they are properly connected.
Important safety warnings and usage guidelines before operation.
Identification of buttons and features on the unit's front panel.
Setting the display language and disabling the demonstration mode.
Steps to set the unit's internal clock and date.
Configuring speaker settings for optimal sound.
Procedures for connecting USB drives and Apple devices.
Steps to set up and connect a device for Spotify playback.
Controlling the unit via smartphone app.
Basic commands and communication with Alexa.
Adjusting subwoofer output level and general audio controls.
Adjusting speaker crossover frequencies and slopes.
Solutions for sound, power, and radio reception problems.
General| DIN size | 1 DIN |
|---|---|
| CD player | Yes |
| Impedance | 40 Ω |
| Clock mode | 24h |
| Output power | 50 W |
| Product color | Black |
| Volume control | Buttons |
| Frequency range | 30 - 15000 Hz |
| Disc types supported | CD-R, CD-RW |
| Audio output channels | 4.0 channels |
| Equalizer bands quantity | 13 |
| Signal-to-Noise Ratio (SNR) | 40 dB |
| USB version | 2.0 |
| Bluetooth range | 10 m |
| Bluetooth version | 4.2 |
| Bluetooth profiles | A2DP, AVRCP, PBAP |
| Line outputs (RCA) | 2 |
| USB ports quantity | 1 |
| Display type | LCD |
| Display number of lines | 1.5 lines |
| On Screen Display (OSD) languages | DUT, ENG, FRE |
| Audio formats supported | AAC, FLAC, MP3, WAV, WMA |
| Cables included | DC |
| Operating temperature (T-T) | -10 - 60 °C |
| FM band range | 87.5 - 108 MHz |
| LW band range | 153 - 279 kHz |
| Supported radio bands | FM, LW, MW |
| Preset stations quantity | 24 |
Weight and Dimensions| Depth | 155.5 mm |
|---|---|
| Width | 182 mm |
| Height | 53 mm |
| Weight | 1200 g |
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