The FH-S520BT is a double-DIN CD receiver with built-in bluetooth allowing you to control your compatible smartphone device wirelessly. This double-DIN receiver is compatible with the Pioneer Smart Sync allowing you to utilize your smartphone functions by pairing the application to the receiver. This application supports safe usage of your smartphone while in your vehicle. You can call applications with one touch button on the receiver. It also helps you by reading your messages instead of being distracted while driving. Instead of the normal 13-band equalizer, this application offers 31 band EQ, time alignment, sound effects, and much more. It is equipped with 3 sets of 2V preamp outputs for the front, rear and subwoofer.

• A better-than-ever listening experience: Pandora is personalized internet radio that is designed to help you discover new music that you'll love mixed in with music. Superior sound quality and full control of the Pandora experience in your car directly from the display of the receiver.
• Hands-free calling and audio streaming: Stay safe and obey local hands-free laws with built-in bluetooth (HFP). Easily pair a bluetooth enabled phone to the FH-S520BT without having to go through complicated settings.
• Spotify: Spotify gives you all the music you'll ever need. Find the songs you love, or let Spotify play you something great. With support for Spotify, just connect your compatible smartphone to a Pioneer car stereo receiver to fill your ride with everything from classic tracks to the latest hits.
• Pioneer Smart Sync: Integrate your smartphone with your receiver. Pioneer Smart Sync is a highly evolved app available for both iOS and android OS that utilizes the power of a connected smartphone to expand the features and user interface of compatible Pioneer in-dash receivers.
• Smartphone control: Access music on your smartphone directly from the Pioneer receiver. Search for artist, albums and songs using Pioneer's intuitive interface. With Pioneer receivers you can also access and control select music and radio apps on your smartphone.
• Android music support: Users of android devices running operating system 4.0 or later can connect and listen to music stored on their device to the DEH-S6200BS without the need for an app. The process is made possible using media transfer protocol (MTP).
• AOA 2.0 support for android: AOA 2.0 enables android owners to play music streaming apps and control basic functionality, play/pause and skip song, using the buttons of the receiver.
• Keep the party going: MIXTRAX is an innovative Pioneer technology that creates a nonstop mix of your music library complete with a range of DJ-inspired effects. Drawing from Pioneer’s rich DJ heritage and our passion for music, it delivers a unique DJ infused listening experience to those in the car.
• USB auto switch: The receiver also includes the USB auto switch feature so when the phone is connected via USB the listener has the option to choose whether the receiver uses the phone as a source, or just charges the device.
• FLAC codec support: Pioneer car stereo receivers upgrade in-car audio with amazing sound reproduction with their ability to play FLAC (free lossless audio codec) files, which are 50-60 percentage smaller than WAV files yet retain the integrity of the original sound sources.