| Composition | KENWOOD KDC-M9021 | KENWOOD KDC-MP243 |
| Tuner | has a digital | has a digital |
| CD players | yes | yes |
| MP3-players | yes | yes |
| Blu-ray player | no | no |
| DVD-player | | no |
| Amplifier | yes | yes |
| Navigator | no | no |
| Equalizer | | no |
| TV tuner | | no |
| General characteristics | KENWOOD KDC-M9021 | KENWOOD KDC-MP243 |
| Nominal and maximum power | 4x30 W/4x50 W | |
| Frequency range | 10-20000 Hz | |
| Management changer | CD, MD | |
| CD-changer interface is | custom | no |
| Maximum power | | 4x50 W |
| Size | | 1 DIN |
| Color | | black |
| Supported carriers and formats | KENWOOD KDC-M9021 | KENWOOD KDC-MP243 |
| Formats | CD Audio, MP3 | CD Audio, MP3, WMA |
| Media | | CD-R, CD-RW |
| Display | KENWOOD KDC-M9021 | KENWOOD KDC-MP243 |
| Display type | multicolor | monochrome |
| Adjust backlight brightness | yes, automatic | |
| Management | KENWOOD KDC-M9021 | KENWOOD KDC-MP243 |
| Infrared remote | yes | yes |
| Joystick on the steering wheel | no | no |
| Pause when speaking on the phone | yes | |
| Auto plants | | yes |
| Interfaces | KENWOOD KDC-M9021 | KENWOOD KDC-MP243 |
| Outputs | audio | |
| Connecting the ISO | yes | |
| Gold-plated connectors | yes | |
| Audio input on the front panel | | yes |
| Bluetooth Support | | no |
| Protection | KENWOOD KDC-M9021 | KENWOOD KDC-MP243 |
| Detachable panel | yes | yes |
| Rotatable display | yes | |
| Security codes | | yes |
| Tuner | KENWOOD KDC-M9021 | KENWOOD KDC-MP243 |
| Support band | FM, KW, MW, LW | FM, MW |
| Dynamic range | 93 dB | |
| RDS | RDS | |
| Tuner with long reception | | yes |
| Number of preset FM/AM | | 18 / 6 |
| Additional information | KENWOOD KDC-M9021 | KENWOOD KDC-MP243 |
| Adjusting the voice | yes | |
| Single-bit DAC architecture | yes | |
| Signal/noise ratio | 105 dB | |
| ID3 tag support | | no |
| CD-text | yes | yes |
| Harmonic distortion | 0.01 % | |
| Resampling audio | 8 | |
| Tone compensation | yes | |
| Dimensions (WxHxD) | 182x53x162 mm | 178x50x160 mm |
| Weight | 1500 g | |
| Features | Possibility to change the button illumination. Smooth adjustment voice. | |
