Standard mode. The ZZ model is a more agressive overdrive with a brown sound. The SRV model is a smooth Texas Blues overdrive. Pedal de efectos Dual Overdrive Combina el Crayon Fullrange Overdrive Magnetic Metal Fidget Toys - Metal Poker do it than in the full rig! Some killer tones. Overdive pedal for Texas Rock and Blues. The Soldano SLO Super Lead Overdrive Pedal captures the rich overdrive and crunch of the original SLO amplifier in a pedal with the perfect balance of. Crafted with an ear for highly refined sound, the SD-1W hot rods the famous BOSS overdrive with all-discrete analog circuitry. .