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Need help?Do you have a question about the Kenwood KMM-257 and is the answer not in the manual?
Guidelines for cleaning the Kenwood unit's faceplate and connector to ensure proper function.
Connecting and playing audio files from USB/SD devices and iPods, including playback controls.
Controlling output levels for subwoofer, bass, mid-range, and treble frequencies.
Critical safety warnings before installation and a list of included installation accessories.
Step-by-step instructions for securely mounting the unit in a vehicle and removing it.
Detailed guide for connecting power, speakers, antenna, and steering wheel controls.
General| MP3 playback | Yes |
|---|---|
| CD-R playback | No |
| Audio formats supported | AAC, FLAC, MP3, WAV, WMA |
| FM band range | 87.5 - 108 MHz |
| Supported radio bands | FM |
| Output power | 50 W |
| Product color | Black, Red |
| Audio output channels | 4.0 channels |
| Display type | LCD |
| Line outputs (RCA) | 1 |
| RMS rated power | 200 W |
| Key illumination color | Red |
Weight and Dimensions| Weight | 640 g |
|---|---|
| Dimensions (WxDxH) | 182 x 107 x 53 mm |
