| Composition | KENWOOD KMM-257 | |
| Tuner | has a digital | |
| CD players | no | |
| MP3-players | yes | |
| DVD-player | no | |
| Blu-ray player | no | |
| Amplifier | yes | |
| Equalizer | yes | |
| Navigator | no | |
| TV tuner | no | |
| General characteristics | KENWOOD KMM-257 | |
| Nominal and maximum power | 4x30 W/4x50 W | |
| Size | 1 DIN | |
| CD-changer interface is | no | |
| Color | black | |
| Supported carriers and formats | KENWOOD KMM-257 | |
| Formats | MP3, WMA, AAC, FLAC | |
| Media | iPod | |
| Display | KENWOOD KMM-257 | |
| Display type | monochrome | |
| Management | KENWOOD KMM-257 | |
| Infrared remote | no | |
| Joystick on the steering wheel | it is possible to connect | |
| Search for a folder/file | yes | |
| Auto plants | yes | |
| Interfaces | KENWOOD KMM-257 | |
| Inputs | USB | |
| Front panel USB | yes | |
| Audio input on the front panel | yes | |
| Outputs | audio | |
| Bluetooth Support | no | |
| Tuner | KENWOOD KMM-257 | |
| Support band | FM, MW, LW | |
| RDS | RDS RDS/EON, RDS, PTY | |
| Switching stereo/mono | yes | |
| Tuner with long reception | yes | |
| Number of preset FM/AM | 18 / 3 | |
| Additional information | KENWOOD KMM-257 | |
| Adjusting the voice | yes | |
| ID3 tag support | yes | |
| Tone compensation | yes | |
| Dimensions (WxHxD) | 182x53x107 mm | |
| Weight | 640 g | |
