The ZZ model is a more agressive overdrive with a brown sound. Standard mode. 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. 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. The SRV model is a smooth Texas Blues overdrive. Overdive pedal for Texas Rock and Blues.