Mixtrax: Pioneer presents the magic of mixtrax - delivering the non-stop mix experience with technology based on pioneer's history of innovative professional dj product development. Advanced sound retriever: Pioneer's advanced sound retriever technology improves the sound quality of compressed media files like mp3, wma files, this is done by enhancing high frequencies that tends to get lost in the compression process. 5-band graphic eq: With a 5-band graphic equalizer, you can actually decide which frequencies to boost. Detachable face security: Detach the face panel and keep it secured from theft. Mosfet 50w4: Pioneer's original amplifier makes sure to provide great sound quality. Country of Origin: China. This car stereo allows you to enjoy your smartphone music with USB connection. With the new ARC App, your smartphone becomes an Advanced remote control of the stereo. Through it, you can enjoy music from various sources and launch select 3rd party apps.