Positive Grid BT4 Bluetooth MIDI Pedalboard 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--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, c Millions of musicians use mobile music apps in new and exciting ways With todays Bluetooth technology, it is now possible to control music apps for guitar, sheet music, controller, keyboards or drums wirelessly Positive Grid is looking to the future to inspire more musicians to go one step further in their everyday music life Why? There are now hundreds of amazing music apps available, including BIAS FX, BIAS Amp, and JamUp, Loopy, OnSong and countless more