The Mighty Lite BT MKII is a compact desktop amp with amp modeling and cabinet impulse responses for electric guitar and bass, plus acoustic amp modeling and acoustic IRs. It stores 7 presets, each built from seven signal blocks (gate, effects, amp, IR, modulation, delay and reverb). A PRESET switch cycles through whichever presets are marked active.

It ships with 34 built-in IRs and 20 empty user slots. Third-party WAV IRs can be loaded through the Mighty Editor software, which converts them to the device's 32-bit/48 kHz format. Further functions include a drum machine, a headphone output and an aux input. Power comes from a 9V adapter or 6 AA batteries.

Bluetooth audio turns the amp into a speaker for phone playback. Bluetooth MIDI is a separate connection that links the MightyAmp app on iOS or Android for editing. USB-C handles the Mighty Editor connection, USB audio streaming and firmware updates. As an audio interface it supports Normal, Dry Out, Re-amp and Loopback routing, and Loopback can be used for livestreaming.