• 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.
Shipping Info

Derringers has two options for your product delivery. We offer FREE Shipping for orders over $100 (except bulky items requiring specialist delivery) to anywhere in Australia, but if you need your gear urgently, then we also offer an Express Delivery service.

Returns Policy

Within 30 days of receiving your order you may return it to us (providing it is unopened and in perfect condition) for a refund, exchange or credit. Items that have been opened (even if unused) may be accepted back at our discretion for store credit or exchange only. Some products are excuded. Click here to read our full returns policy.