Ibanez Tone-Lok TS7 Tubescreamer Pedal Drive, tone, and level controls Hot switch for extra gain boost This updated version incorporates the super-useful Tone-Lok concept with a Hot switch that turns on extra gain for a real tone boost The Ibanez Tone-Lok Series TS7 Tubescreamer Pedal is the world-famous original Tube Screamer overdrive, with something extra A boost switch has been added for extra saturation at the touch of a button Adjust your sound with the drive, tone, and level controls on the Tubescreamer