| Composition | Kenwood KDC-BT440U | KENWOOD DPX-4020 |
| Tuner | | has a digital |
| Radio | AM | |
| Cassette deck | | yes |
| Manual Audio Changes | Balance | |
| CD players | | yes |
| Equalizer Band | 13 | |
| MP3-players | | no |
| Type of Player | CD Player | |
| Blu-ray player | | no |
| Type of Equalizer | Graphic Equalizer | |
| Amplifier | | yes |
| Equalizer | | yes |
| Navigator | | no |
| General characteristics | Kenwood KDC-BT440U | KENWOOD DPX-4020 |
| Type of Monitor | LCD | |
| Type of Display | LCD | |
| Audio Resolution | 24 bit | |
| Nominal and maximum power | | 4x22 W/4x47 W |
| Power (Max) | 200.0 W | |
| Management changer | | CD |
| Power (RMS) | 88.0 W | |
| CD-changer interface is | | custom |
| Attributes | Hands Free | |
| Supported carriers and formats | Kenwood KDC-BT440U | KENWOOD DPX-4020 |
| Formats | | CD-Audio |
| Supported File Formats | AAC | |
| Media | | cassette |
| Supported Disc Formats | CD | |
| Display | Kenwood KDC-BT440U | KENWOOD DPX-4020 |
| Display type | | multicolor |
| Adjust backlight brightness | | yes, automatic |
| Audio | Kenwood KDC-BT440U | KENWOOD DPX-4020 |
| Low Pass Filter Max | 120.0 Hz | |
| Low Pass Filter Min | 50.0 Hz | |
| High Pass Filter Max | 220.0 Hz | |
| High Pass Filter Min | 50.0 Hz | |
| Cassette deck | Kenwood KDC-BT440U | KENWOOD DPX-4020 |
| Auto tape | | yes |
| Noise reduction | | DolbyB |
| Auto reverse | | yes |
| To search for music on cassette | | yes |
| Skip pause on the tape | | yes |
| Management | Kenwood KDC-BT440U | KENWOOD DPX-4020 |
| Multicolor lighting | | yes |
| Infrared remote | | yes |
| Joystick on the steering wheel | | no |
| Pause when speaking on the phone | | yes |
| Memory disk names | | yes |
| Wireless | Kenwood KDC-BT440U | KENWOOD DPX-4020 |
| Bluetooth Profil | A2DP | |
| Wireless & Apps | Bluetooth | |
| Interfaces | Kenwood KDC-BT440U | KENWOOD DPX-4020 |
| USB Version | USB 2.0 | |
| Connections Placement | Front | |
| Connections | FM Antenna Input JASO connector | |
| Outputs | | audio |
| Connecting the ISO | | yes |
| Gold-plated connectors | | yes |
| Protection | Kenwood KDC-BT440U | KENWOOD DPX-4020 |
| Detachable panel | | yes |
| Tuner | Kenwood KDC-BT440U | KENWOOD DPX-4020 |
| Support band | | FM, MW, LW |
| RDS | | RDS |
| Additional information | Kenwood KDC-BT440U | KENWOOD DPX-4020 |
| Form Factor | DIN | |
| Width | 18.2 cm | |
| Height | 5.3 cm | |
| Depth | 16.0 cm | |
| Super-bass | | yes |
| Adjusting the voice | | yes |
| Disabling voices | | yes |
| Single-bit DAC architecture | | yes |
| CD-text | | yes |
| Resampling audio | | 8 |
| Tone compensation | | yes |
| Dimensions (WxHxD) | | 180x100x160 mm |
| Features | | Sleep timer (20/40/60 min). Possibility to change the button illumination. Calendar with memory. System of memorizing the audio settings. Playback of CD-R/RW discs. Tape counter. |
