Positive Grid BT-4 Bluetooth MIDI

Features
Control your guitar effects, music sheets and keyboard presets all wirelessly!
Solid, stage-ready controller that gives you the freedom to control your iPhone and iPad apps.
Turn your BIAS FX into a full-fledged guitar amp-and-effects powerhouse.
Works wirelessly with thousands of music apps including BIAS FX, JamUp, OnSong, GarageBand, Loopy-most any iOS app that supports CoreMIDI.
Unique metal case and rock-solid design withstand the harshest and toughest conditions on the road.
Fully customizable with the companion BT Editor app, creating at-the-ready banks and presets.
The BT-4 is best of breed: ultra-responsive, compact, durable and easy to use.
Designed in California, U.S.