| Composition | KENWOOD KDC-2021SG | KENWOOD DPX-MP5100U |
| Tuner | has a digital | has a digital |
| CD players | yes | yes |
| MP3-players | no | yes |
| Blu-ray player | no | no |
| DVD-player | | no |
| Amplifier | yes | yes |
| Equalizer | yes | yes |
| Navigator | no | no |
| TV tuner | | no |
| General characteristics | KENWOOD KDC-2021SG | KENWOOD DPX-MP5100U |
| Maximum power | 4x45 W | 4x50 W |
| Size | | 2 DIN |
| CD-changer interface is | | no |
| Color | | black |
| Supported carriers and formats | KENWOOD KDC-2021SG | KENWOOD DPX-MP5100U |
| Formats | CD-Audio | CD Audio, MP3, WMA, AAC |
| Media | | CD-R, CD-RW |
| Display | KENWOOD KDC-2021SG | KENWOOD DPX-MP5100U |
| Display type | multicolor | monochrome |
| Management | KENWOOD KDC-2021SG | KENWOOD DPX-MP5100U |
| Infrared remote | no | yes |
| Joystick on the steering wheel | no | no |
| Pause when speaking on the phone | yes | yes |
| Search for a folder/file | | yes |
| Auto plants | | yes |
| Interfaces | KENWOOD KDC-2021SG | KENWOOD DPX-MP5100U |
| Audio input on the front panel | no | yes |
| Outputs | audio | Subwoofer PreAmp |
| Inputs | | USB |
| Bluetooth Support | | no |
| Connecting the ISO | | yes |
| Protection | KENWOOD KDC-2021SG | KENWOOD DPX-MP5100U |
| Detachable panel | yes | |
| Tuner | KENWOOD KDC-2021SG | KENWOOD DPX-MP5100U |
| Support band | FM, MW, LW | FM, MW |
| Dynamic range | 93 dB | |
| Tuner with long reception | | yes |
| Number of preset FM/AM | | 18 / 6 |
| Additional information | KENWOOD KDC-2021SG | KENWOOD DPX-MP5100U |
| Super-bass | yes | |
| Adjusting the voice | yes | yes |
| Single-bit DAC architecture | yes | |
| Signal/noise ratio | 96 dB | |
| CD-text | no | yes |
| Resampling audio | 8 | |
| Crosstalk | 85 dB | |
| Tone compensation | yes | |
| Features | Compatibility with CD-R/RW. Backlight colorgreen (2021SG), red (2021SA) | |
| ID3 tag support | | yes |
| Dimensions (WxHxD) | | 178x100x155 mm |
