Player's Gear 4X Fuzz PedalHand wired in the USA in our little shop in rural Indiana. One volume knob and a four way gain switch provide you all the dirty goodness most folks need. There is no gain knob. The switch selects one of four preset levels of grunge. This is an ideal pedal for the player that uses dynamics it cleans up incredibly well when you ease up on your picking. It's great for studio use, giving you quick access to four great basic sounds that are very flexible