Positive Grid - Announcing the new BT-4 & BT-2 Bluetooth MIDI Foot Controllers. BT-4 bring the live control solution to iPad and iPhone for just $99. Now guitarists can have a metal
![Amazon.com: Positive Grid Spark Control Wireless Guitar Footswitch Pedal/ Controller for Spark Guitar Amplifier and Mobile App with Backing Tracks : Musical Instruments Amazon.com: Positive Grid Spark Control Wireless Guitar Footswitch Pedal/ Controller for Spark Guitar Amplifier and Mobile App with Backing Tracks : Musical Instruments](https://m.media-amazon.com/images/I/7120pPiF-4L._AC_UF894,1000_QL80_.jpg)
Amazon.com: Positive Grid Spark Control Wireless Guitar Footswitch Pedal/ Controller for Spark Guitar Amplifier and Mobile App with Backing Tracks : Musical Instruments
![Amazon.com: Positive Grid Spark Control Wireless Guitar Footswitch Pedal/ Controller for Spark Guitar Amplifier and Mobile App with Backing Tracks : Musical Instruments Amazon.com: Positive Grid Spark Control Wireless Guitar Footswitch Pedal/ Controller for Spark Guitar Amplifier and Mobile App with Backing Tracks : Musical Instruments](https://m.media-amazon.com/images/I/51GgOuYNjcL.jpg)
Amazon.com: Positive Grid Spark Control Wireless Guitar Footswitch Pedal/ Controller for Spark Guitar Amplifier and Mobile App with Backing Tracks : Musical Instruments
![Bias FX + Midi Commander + iPad | The Controller For Almost Everything | Steve Stine | Melo Audio - YouTube Bias FX + Midi Commander + iPad | The Controller For Almost Everything | Steve Stine | Melo Audio - YouTube](https://i.ytimg.com/vi/ToHwIXaak_8/maxresdefault.jpg)