Open box, ended up going with a double din with full screen The Sony MEX-N4200BT is a single DIN car stereo that offers a wide range of features including Bluetooth connectivity, USB input, satellite radio readiness, and a built-in amplifier. It also has 4-channel preamp outputs, a detachable face, and adjustable dual-zone illumination. This unit is capable of playing various audio formats such as MP3, WMA, and FLAC, and it comes with a remote control for added convenience. With its sleek design and user-friendly interface, the Sony MEX-N4200BT is an excellent choice for those looking to upgrade their car audio system.