The Kenwood Dpx308u in-dash receiver is a stereo receiver designed for use in vehicles. The unit is a CD/MP3 in-dash receiver that combines disc-based and digital media as well as radio frequency playback options. The Kenwood in-dash receiver includes a disc drive for playing disc-based media such as music CDs as well as an AM/FM tuner for receiving radio transmission. It also provides an iPod USB 1Wire connection for digital file playback via an iPod or other compatible MP3-enabled devices. The Kenwood Dpx308u in-dash receiver can switch between the three sources at any given point, offering a diverse listening experience. The tuner frequency for this unit is 87.9 MHz up to 107.9 MHz with a frequency step of 200 kHz and a frequency response of 30 Hz to 15 kHz. The disc-based playback in this CD/MP3 in-dash receiver uses a Digital Filter (D/A) with 8 Times Oversampling, a frequency response of 10 Hz to 20 kHz, and a dynamic range of 93 dB. Disc-based sources should be compliant with MPEG-1/2 Audio Layer-3, Windows Media audio, or AAC-LC ".m4a" files. This Kenwood in-dash receiver is FAT16/32-compatible for digital media with decoding for MP3, WMA, and AAC files. The Kenwood in-dash receiver measures 7.25 inches wide by 4.5 inches high by 6.25 inches deep.