Wi Digital AudioLink iM Pocket Portable Stereo Digital Wireless System Incredibly compact design - a full system fits in the palm of your hand Crystal-clear uncompressed 48kHz stereo audio Full-frequency spectrum response from 15Hz-20kHz Dual internal antennas Instant audio routing - any AudioLink transmitter can feed up to 8 receivers Fast, easy, no-tweak setup Digital wireless requires no FCC licensing Not only is the Wi Digital Systems JM-WAL35i incredibly compact, but it sounds amazing and gives you the capability of seamlessly adding audio from your iPhone, iPod Touch or iPad to your show Designed to provide wireless audio connectivity directly from the 30-pin dock connector of your iOS device, the JM-WAL35i powers itself directly from your device without the need for a bulky battery pack and, like other AudioLink devices, has the ability to route to up to eight audio receivers, so a single transmitter can sequentially feed stage, front-of-house, in-ear, and any other audio destination you might need, all at once, all with the touch of the Link button it also gives you control of volume, pause, play, and track select functions right from the receiver module, so your sound tech can handle transitions when you'e too busy onstage, entertaining the crowd Fully integrated with the entire AudioLine series, the JM-WAL35i helps bring your entire show together with the ease and sound quality inherent in a digital wireless system