The Marshall AVT150 is a reliable and versatile amp head loaded with useful features. Tested and in good working order, it comes with 4 channels, which include Acoustic Simulator, Clean, Overdrive 1, and Overdrive 2. The amp also supports foot-switching capability, a range of digital effects, and a solid speaker emulated line out. Furthermore, it delivers the hallmark Marshall tone and with its hybrid technology, it provides a balance between tube warmth and solid state reliability. Excellent for those looking for a range of tonal possibilities.