This powerful 7-inch Multimedia Station serves as the controller hub for your entire system. It will play DVDs, CDs, MP3, WMA, and has second-generation iPod and SAT radio on-screen interface. The PulseTouch Display feels like you're touching actual buttons and lets you control any component hooked up to the Touch Control System. Alpine's exclusive direct DVD menu touch control makes playing a DVD easier than any other device on the market today. Adding the VPE-S431 module lets you connect three extra source units, which can be independently controlled by passengers via touch panel displays.