Tone City TC-T6 Kaffir Lime Overdrive Pedal (BB Preamp Style) Looking for fat rhythm and lead tones? Want a kick-ass boost tone for a dirty amp? Want something that sounds great on a clean channel? This is it! Those familiar with the Xotic BB-Preamp are going to love this pedal. The Kaffir Lime is awesome for pushing an on the edge of breakup amplifier over the edge as well as being great for an already dirty tone. It also sounds great on clean! The Kaffir Lime Overdrive has some great features Gain - Controls how much overdrive you get in your sound Volume - Make it loud and make it proud Bass - Controls the amount of low frequencies Treble - Controls the high frequencies All Tone City pedals are True Bypass and require a regular 9v Power Supply for operation as there's no battery slot.