Dual radio tunerThe Dynavin uses an FM phase diversity circuit, processing the signals of the dual antennas built into the vehicle. DSP algorithms create a noise and distortion free FM signal by merging both radio signals into a single new audio stream. Allowing for optimal radio reception even under the most challenging conditions. Parrot bluetoothBluetooth Plus gives you hands free phone phone operation plus many other convenient functions like easy alphabetical phonebook search, hold and switch incoming calls,, battery and mobile reception level indicators, plus advanced audio streaming while displaying song, artist and tag information. 4V PreoutHigh powered 4 Volt Preamp Outputs ensures ultra clean signal transmission from the Dynavin to aftermarket amplifiers. When properly gain matched these high voltage RCAs virtually eliminate noise and distortion, even at high volume levels. DSP soundDynavin N6 head units use high-resolution Burr Brown 24-Bit Digital to Analogue conversion allowing for clean, accurate, stunning sound reproduction. 1. Steering wheel remote control integration2. Multifunctional display (MFD+) integration3. Optical Park System (OPS) integration4. Climatronic control status integration5. Support MOST solution for OEM DSP sound system6. Onboard computer information integration7. Virtual parking track line integration Digital time alignment allows you to digitally delay the closest speakers so that every speaker reaches your ears at the same time. It’s awesome. When set up properly, you can sit in the driver’s seat, close your eyes (not while driving) and you will NOT be able to pinpoint where the music is coming from. It will envelop and surround you creating a truly sublime listening experience.