N
Nicole LunaSep 9, 2025
What does 'NA FILE' mean on Kenwood KDC-BT440U?
- AapayneSep 9, 2025
If your Kenwood Car Receiver displays 'NA FILE', ensure the media (disc/USB) contain supported audio files.
To Next PageTo Next PageWhat does 'NA FILE' mean on Kenwood KDC-BT440U?
If your Kenwood Car Receiver displays 'NA FILE', ensure the media (disc/USB) contain supported audio files.
What does 'USB HUB IS NOT SUPPORTED' mean on my Kenwood KDC-BT440U Car Receiver?
If your Kenwood Car Receiver displays 'USB HUB IS NOT SUPPORTED', it means that the unit cannot support a USB device connected via a USB hub.
What does 'NO ENTRY'/'NO PAIR' mean on my Kenwood Car Receiver?
If your Kenwood Car Receiver displays 'NO ENTRY' or 'NO PAIR', it indicates that there is no registered device connected or found via Bluetooth.
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 |
| USB ports quantity | 1 |
| Audio formats supported | AAC, FLAC, MP3, WAV, WMA |
| Display type | LCD |
| Display digits | 13 digits |
| Illumination color | Red |
| Display number of lines | 1 lines |
| On Screen Display (OSD) languages | DUT, ENG, ESP, FRE, RUS |
| 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 |
Terms and conditions for using the licensed software.
Defines the rights and restrictions for using the licensed software.
Outlines conditions for transferring the license and user obligations.
States compliance with the Radio Equipment Directive.
States compliance with the Restriction of Hazardous Substances Directive.
Initial setup for language and disabling the demo mode.
Information on Bluetooth connection profiles and codecs.
Steps to pair a new Bluetooth device with the unit.
Instructions for making phone calls using the unit.
Configuring various Bluetooth operational modes and parameters.
Listening to audio content via Bluetooth connection.
Initial setup process for Alexa voice service integration.
Performing voice commands with Alexa.
Adjusting speaker crossover frequencies and slopes.
Step-by-step guide for in-dash installation.
Details on connecting the unit's wiring harness.
Troubleshooting common issues not specific to any feature.
