Use your iPad to set up and command the complete DSP feature set of a compatible JL Audio DSP-based amplifier, via Bluetooth LE connection. TüN™ automatically recognizes a compatible JL Audio product and offers a clear user interface optimized for that specific product. A simulation mode is included to simulate any product or perform offline setup. TüN™ Mobile 3.1 is compatible with JL Audio VXi and MVi amplifiers. It is not compatible with FiX™ or TwK™ processors. Important: requires a VXi-BTC Bluetooth® Communicator accessory connected to VXi or MVi amplifier or hub