| Composition | Kenwood KDC-BT278U | KENWOOD DPX-4020 |
| Tuner | | has a digital |
| Cassette deck | | yes |
| CD players | | yes |
| MP3-players | | no |
| Blu-ray player | | no |
| Amplifier | | yes |
| Equalizer | | yes |
| Navigator | | no |
| General characteristics | Kenwood KDC-BT278U | KENWOOD DPX-4020 |
| Display Color | White | |
| EQ Bands | 13 | |
| Key Button Color | Blue | |
| Preamp Outputs | 2-channel | |
| Preamp Voltage | 2.5 volts | |
| RMS Power Bandwidth | 20-20kHz | |
| Screen Size | - | |
| Steering Wheel Control Compatible | Adapter required | |
| Sub Preamp Outputs | No | |
| Nominal and maximum power | | 4x22 W/4x47 W |
| Switchable Rear Preamp Outputs | Yes | |
| Management changer | | CD |
| Video Screen | No | |
| CD-changer interface is | | custom |
| Power | Kenwood KDC-BT278U | KENWOOD DPX-4020 |
| Peak Output | 50 watts | |
| RMS Power (Manufacturer) | 22 watts | |
| Supported carriers and formats | Kenwood KDC-BT278U | KENWOOD DPX-4020 |
| Formats | | CD-Audio |
| Media | | cassette |
| Display | Kenwood KDC-BT278U | KENWOOD DPX-4020 |
| Display type | | multicolor |
| Adjust backlight brightness | | yes, automatic |
| Cassette deck | Kenwood KDC-BT278U | 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 |
| Compatibility | Kenwood KDC-BT278U | KENWOOD DPX-4020 |
| Alexa Voice Control | N | |
| Android Auto | No | |
| Android Control | Yes | |
| Bluetooth Compatible | Built-in | |
| CarPlay | No | |
| Siri Control | Yes | |
| Wireless Remote | No | |
| Management | Kenwood KDC-BT278U | 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 |
| Supported formats | Kenwood KDC-BT278U | KENWOOD DPX-4020 |
| High-res Playback | FLAC (96kHz) | |
| Music File Playback | MP3,WMA,AAC,WAV,FLAC | |
| Interfaces | Kenwood KDC-BT278U | KENWOOD DPX-4020 |
| Audio/video Input | - | |
| AUX Input | Front | |
| Backup Camera Input | No | |
| Memory Card Slot | USB | |
| Second Camera Input | No | |
| USB Input | Front | |
| Outputs | | audio |
| Connecting the ISO | | yes |
| Gold-plated connectors | | yes |
| Protection | Kenwood KDC-BT278U | KENWOOD DPX-4020 |
| Detachable panel | | yes |
| Tuner | Kenwood KDC-BT278U | KENWOOD DPX-4020 |
| HD Radio | No | |
| Satellite Radio Ready | No | |
| European Tuning | Yes | |
| FM Sensitivity | 8.2 dBf | |
| Support band | | FM, MW, LW |
| Radio Data System | Yes | |
| RDS | | RDS |
| Additional information | Kenwood KDC-BT278U | KENWOOD DPX-4020 |
| Navigation | - | |
| Super-bass | | yes |
| Seek/Scan | Seek | |
| 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. |
