| Composition | KENWOOD KRC-591 | KENWOOD DPX-MP5100U |
| Tuner | has a digital | has a digital |
| Cassette deck | yes | |
| CD players | no | yes |
| MP3-players | no | yes |
| DVD-player | | no |
| Blu-ray player | no | no |
| Amplifier | yes | yes |
| Equalizer | yes | yes |
| Navigator | no | no |
| TV tuner | | no |
| General characteristics | KENWOOD KRC-591 | KENWOOD DPX-MP5100U |
| Nominal and maximum power | 4x29 W/4x47 W | |
| Frequency range | 30-18000 Hz | |
| Maximum power | | 4x50 W |
| Management changer | CD, MD | |
| Size | | 2 DIN |
| CD-changer interface is | custom | no |
| Color | | black |
| Supported carriers and formats | KENWOOD KRC-591 | KENWOOD DPX-MP5100U |
| Media | cassette | CD-R, CD-RW |
| Formats | | CD Audio, MP3, WMA, AAC |
| Display | KENWOOD KRC-591 | KENWOOD DPX-MP5100U |
| Display type | bicolor | monochrome |
| Adjust backlight brightness | yes, automatic | |
| Cassette deck | KENWOOD KRC-591 | KENWOOD DPX-MP5100U |
| Noise reduction | DolbyB | |
| Management | KENWOOD KRC-591 | 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 KRC-591 | KENWOOD DPX-MP5100U |
| Outputs | audio | Subwoofer PreAmp |
| Connecting the ISO | yes | yes |
| Inputs | | USB |
| Audio input on the front panel | | yes |
| Bluetooth Support | | no |
| Protection | KENWOOD KRC-591 | KENWOOD DPX-MP5100U |
| Detachable panel | yes | |
| Tuner | KENWOOD KRC-591 | KENWOOD DPX-MP5100U |
| Support band | FM, MW, LW | FM, MW |
| RDS | RDS RDS/EON | |
| Tuner with long reception | | yes |
| Number of preset FM/AM | | 18 / 6 |
| Additional information | KENWOOD KRC-591 | KENWOOD DPX-MP5100U |
| Signal/noise ratio | 65 dB | |
| Dimensions (WxHxD) | 182x53x150 mm | 178x100x155 mm |
| Weight | 1200 g | |
| Features | Possibility to change the button illumination. Settings memory frequency for each audio source. Calendar with memory. Sleep timer (20/40/60 min). | |
| Adjusting the voice | | yes |
| ID3 tag support | | yes |
| CD-text | | yes |
