Amp Academy features 6 legendary amp models like Vintage(Fender Twin Reverb), Classic(Fender Vibro King), Modern(Mesa Boogie Mark I), Brown(Friedman HBE), Red(Mesa Boogie Dual Rectifier), and Iridium(Bogner Uberschall). The iconic TSAC-2K (WHITE-BOX algorithm) Amp Modeling offers you realistic amp feeling and fast playability response. NUX Amp Academy Stomp Box Modeler and IR Loader Features Pro-Level Amp Modeling with Bias Tweaking. 7 Independent moveable signal blocks with Send/Return effect loop. Intuitive operation and editor software. 1024 samples IR resolution and 3rd party IR loader slot with auto format editor. Versatile application scenes with independent 1/4” & XLR IR outs. Ultra-low system latency(1.2ms) and premium powerful NXP RT DSP(1GHz). Comes with Insert Y-cable for send/return effect loop. USB recording interface, firmware update, AmpAcademy editor software. Ultra-wide dynamic range: 110dB