Previous Product Next Product SHO’ Nuff v4 2022 – Super Hard On PCB $5.95 Best Super Hard On PCB with a modern two knob option that lets you have a Volume control. In stock SHO' Nuff v4 2022 - Super Hard On PCB quantity Add to cart Description Description Build either the classic one knob version or the more functional, modern two knob version. We have added a Master Volume Control. This is handy for cranking the stock Crackle knob so you can squeeze out all of the tone, without the added volume! This board fits into a 1590A. SHO’ Nuff Build Document Phase: Inverted