The Diezel VHX is the pinnacle of Diezel amplification. It's an amazing amp, especially I think in a studio setting. It combines a fully analog 100 watt tube amp with a killer DSP section, and even built-in attenuation and really useful impulse responses. There are four main channels, but within each you have options that swap different circuits in with relays so you can cover just about any tone that Diezel has created over the years, but with actual analog hardware vs simulations. You can choose to roll with that, or if you want, you can utilize the onboard DSP to add some really useful effects, like noise gates, compressors, delays, reverbs, pitch shifters, choruses, flangers, phasers, trems, and of course EQs. There are also multiple send/return effects loops that you can route before or after these blocks, and then control the whole thing over midi. It's kind of wild. Like having a quad cortex or something but instead of a pretend amp you have an actual 100 watt tube amp in there. The price is firm, and actually pretty darned good if you compare on Reverb and elsewhere (if you can even find one in stock). I am only selling this thing because I just don't need this spaceship of an amp. It has pretty low mileage, has never been gigged, and has always lived in my home studio.