Line 6’s Bass POD revolutionized sound reproduction for bass many years ago with the introduction of the original “kidney bean” model. The Pro took it to the rack – the XT took it to USB for PC/Mac computer recording – plus loads more of everything you need Briefly, features include 28 amp models, 22 cab models, and more than 50 stompbox and studio effects, dedicated compressor and 6-band semi-parametric EQ. Versatile connections include 1/4″ and XLR stereo outs, AES/EBU and S/PDIF digital I/O, effects loop, and analog re-amping in and out. Features biamp mode with selectable crossover and ability to mix direct signal with modeled output. Also 4 mic models, A.I.R. cab/speaker/mic emulation, MIDI, chromatic tuner, 64 channel memories, and USB digital I/O for Mac and PC recording Way too much to list here. These sold new for $699 ($979 List) but this one is brand new with a few hours use and “as new” in the original box with manual, USB, and cable, for just $399.