With integrated Bluetooth, the Kenwood Kdc-bt645u in dash receiver helps you communicate hands free as you drive. The 30 Hz-15 kHz FM frequency range of this Kenwood CD receiver delivers a clean and balanced audio across all levels. Thanks to the USB port, you can easily connect external devices such as an iPod, iPhone and others to this Kenwood in dash receiver. The Kenwood Kdc-bt645u CD receiver has speaker impedance of 4 to 8 ohms for a clear and dynamic quality audio. The 105 dB Signal/Noise Ratio (CD) of this Kenwood CD receiver produces a theater-like loud sound. Get a clear view of the song’s title, album name and much more from the 13 digit FL display of this Kenwood in dash receiver.