HamiltonBuhl Affordable 5-Way Portable Galaxy Starfish Jackbox with 3.5mm Plugs This affordable, 5-Way Portable Galaxy Jackbox makes it effortless to connect up to five people to an audio source. We specially-designed this jackbox for ease of use– at an affordable price! You can also "chain" two Galaxy Jackboxes together to make a 9 Station Listening Center.Simply connect to a media player with a 3.5mm jack –CD, DVD, MP3, Tablet or iPad – and you have a 5-personlistening center – quickly and easily! You will find this a very handy tech tool! This affordable jackbox will quickly become your go-to for audio lessons! Supports Audio Formats: CD, MD, DVD, MP3, devices with 3.5mm audio jack Output: 100mW Output Sockets: Five 3.5mm (1/8") Input Plug: 3.5mm (1/8") Cord: Approx. 3' Color: Black Warranty: 1 year HamiltonBuhl Galaxy 5-Person Jackbox Spec Sheet