Not surprising a very nice box from Emma Electronic in Denmark.
It's all in the bias control that lets you control the harmonic
content to emulate a smooth sounding type A amp right up to a type B with that classic A/B beteen in the middle. A brilliant idea and it works!
Pushed it has a very Marshall JCM 800 sound.
Otherwise your standard level and gain with hi & low EQ.
This is v.2 but it has been around for awhile hence the big box. Just as well because if it 'ain't' broke don't fix it!
This pedal issues some serious punch!!!