Walrus Audio ACS1 Amp and Cab Sim Effect Pedal w/ Box - UsedThe Walrus ACS1 Amp and Cab Sim does exactly as advertised it provides accurate Fender , Marshall , or Vox style amp recreation for all of your playing, recording, or gigging needs. Meant to be played through headphones or a flat response speaker, you can also bypass cabinet emulation and play through the effects in on your own amp to use your own speaker instead. This particular ACS1 is in very good condition with some sticker wear on the bottom.