| Composition | KENWOOD KMR-M308BTE | KENWOOD DPX-4020 |
| Tuner | yes, digital | has a digital |
| CD players | yes | yes |
| Cassette deck | | yes |
| MP3-player | yes | |
| DVD players | no | |
| MP3-players | | no |
| Blu-ray player | no | no |
| Amplifier | yes | yes |
| Equalizer | yes | yes |
| Navigator | no | no |
| TV tuner | no | |
| General characteristics | KENWOOD KMR-M308BTE | KENWOOD DPX-4020 |
| Nominal and maximum power | 4x30 W/4x50 W | 4x22 W/4x47 W |
| Management changer | | CD |
| Size | 1 DIN | |
| CD-changer interface is | | custom |
| Interface CD-changer | no | |
| Color | silver | |
| Supported carriers and formats | KENWOOD KMR-M308BTE | KENWOOD DPX-4020 |
| Formats | | CD-Audio |
| Media | | cassette |
| Supported formats | KENWOOD KMR-M308BTE | KENWOOD DPX-4020 |
| Formats | CD Audio, MP3, WMA, AAC | |
| Media | CD-R, CD-RW, iPod | |
| Display | KENWOOD KMR-M308BTE | KENWOOD DPX-4020 |
| Adjust backlight brightness | | yes, automatic |
| Display type | monochrome | multicolor |
| Cassette deck | KENWOOD KMR-M308BTE | 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 KMR-M308BTE | KENWOOD DPX-4020 |
| Infrared remote control | no | |
| The joystick on the steering wheel | you can connect | |
| Search folders/files | yes | |
| Auto scan stations | yes | |
| Multicolor lighting | | yes |
| Infrared remote | | yes |
| Joystick on the steering wheel | | no |
| Pause when speaking on the phone | | yes |
| Memory disk names | | yes |
| Interfaces | KENWOOD KMR-M308BTE | KENWOOD DPX-4020 |
| Inputs | USB | |
| Front USB | yes | |
| Audio input front panel | yes | |
| Outputs | Subwoofer PreAmp | audio |
| Bluetooth Support | no | |
| Connecting the ISO | | yes |
| Gold-plated connectors | | yes |
| Tuner | KENWOOD KMR-M308BTE | KENWOOD DPX-4020 |
| Support ranges | FM, MW | |
| Support RDS | RDS RDS/EON, RDS/PTY | |
| Switching stereo/mono | yes | |
| Tuner with distant reception | yes | |
| Number of preset FM/AM | 18 / 6 | |
| Support band | | FM, MW, LW |
| RDS | | RDS |
| Protection | KENWOOD KMR-M308BTE | KENWOOD DPX-4020 |
| Detachable panel | | yes |
| Additional information | KENWOOD KMR-M308BTE | KENWOOD DPX-4020 |
| Tone control | yes | |
| ID3 tag support | yes | |
| CD-text | yes | yes |
| The tone compensation | yes | |
| Super-bass | | yes |
| Dimensions (WxHxD) | 180x50x168 mm | 180x100x160 mm |
| Adjusting the voice | | yes |
| Weight | 1020 g | |
| Disabling voices | | yes |
| Features | the use of the yacht | 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. |
| Single-bit DAC architecture | | yes |
| Resampling audio | | 8 |
| Tone compensation | | yes |
