Behringer Bass V-AMP The Ultimate Tone Toolbox for Bass/Acoustic/Electric Guitar and Keyboard Amp Modeling 32 authentic virtual amp models can be combined with any of the 23 speaker cabinet simulations 125 memory locations, divided into 25 banks with 5 presets each Stereo aux input lets you plug in and play along with a CD, drum computer, or MIDI playback for practice and home-recording applications Stereo output features dual .25" TRS jacks which can be used as +4 dBu balanced or -10 dBV unbalanced outs Auto-chromatic tuner