With a power output of 4 x 50 W, the CDE117Ri from Alpine delivers premium sound quality. Equipped with an AM / FM digital tuner, the CDE117Ri locates and stores radio stations by eliminating interference and ensuring clear reception. In addition to reading CDs and MP3 and AAC formats, the CDE 117Ri has a USB 2.0 port with Tag Banking. Its front auxiliary input is also perfect for hooking up an MP3 player. Whats more, the CDE117Ri comes equipped with a cable that lets you access files stored on your iPhone or iPod. An added bonus is that, with its MediaXpander function, sound is always pure and crystalclear.