JamUp Plug HD - Digital Guitar/Bass Audio Interface for iPad, iPhone Studio grade digital audio interface for iPad and iPhone Made for BIAS, JamUp XT, JamUp Pro XT, GarageBand Optimized for active/passive pickups for both guitar and bass. No configuration, just plug in and play Easily adjust input levels for any instrument. 3-color LED for status indication and input level monitoring iOS 7 ready. Works with Lightning port (via 30-pin to Lightning adaptor, not included)