Receiver.ideal for multi-room audio. Requires AudioCast TX.

Transmitter .Suitable for PC's and other sound sources via 3.5mm input jack. Requires AudioCast RX

Receiver, with iPod controls. Requires ICast TX

Transmitter, with iPod dock.Suits Classic,Nano,iTouch and iPhone. Requires ICast RX

Sub-woofer wireless transmitter.Includes both transmitter and receiver.

iTune control via iCast,Souncast and Outcast. Plugs directly into USB and sound ports on computer.