Sony is prepping the new DSX-S300BT and DSX-S200X car stereos for release in September for $280 and $200, respectively. Both models feature Sony’s TuneTray mechanical compartment for connecting an iPod or other USB devices. The front faceplate of each units flip down on command and outputs the TuneTray compartment with its iPod adapter, while an external USB input allows you to connect two USB capable devices simultaneously. The Sony DSX-S300BT and DSX-S200X Head Units also feature a crystal-clear OEL display, built-in Bluetooth technology for hands-free calling and wireless music streaming, as well as Sony’s SensMe technology, which "analyzes a connected music library to create custom playlists and radio channels, and utilizes an Advanced Sound Engine (ASE) to provide an outstanding in car sound environment," according to Sony.