Premium, no-compromise analog reactive load box for tube guitar amps • Five finely-tuned guitar amp attenuation levels • Front-panel “Rig” control for instant, album-quality mic and speaker cabinet emulations • UA Dynamic Speaker Modeling emulates speaker breakup and cone cry • World-class Universal Audio EQ, compression, delay, and reverb effects built-in • Selectable 4, 8, and 16-ohm operation • Front-panel Headphone out for silent practice with cranked tones • Balanced TRS line outs, and S/PDIF digital outs for recording • Pair with OX mobile or desktop app over Wi-Fi for editing and saving presets