Discover TüN® - JL Audio’s DSP tuning software

TüN 4 Logo

For Windows® PC or Apple® computers, TüN® connects via USB and offers complete control and command of the entire VXi feature set from the comfort of your desk or driver’s seat. Software also runs in demo mode, without connected amplifiers, for offline setup or demo purposes.

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TüN 4 uses Smaart® Measurement Technology libraries licensed from Rational Acoustics LLC. ©2022, Rational Acoustics LLC. All rights reserved.

Tune tablet icon and Tune mobile logo

Enjoy the full TüN® software experience on your tablet. Download TüN® Mobile for iPad and Android tablets. Requires VXi-BTC Bluetooth® communicator.


TüN Mobile Apple App Store Download

TüN Mobile Google Play Store Download


Tune tablet and phone icon with Tune Express logo

Simplified screens for simple and quick amplifier setup. Download TüN® Express for iPhone, iPad and Android phones & tablets. Requires VXi-BTC Bluetooth® communicator


TüN Express Apple App Store Download

TüN Express Google Play Store Download