The Sweet Overdrive Tone Has a Prime Redesign Passionately designed by the master engineers at BOSS in Japan, the Waza Craft SD-1W Super Overdrive delivers a premium stomp experience that fans of customized pedal tone will love. Crafted with an ear for highly refined sound, the SD-1W hot rods the famous BOSS overdrive with all-discrete analog circuitry. Standard mode captures the classic SD-1 sound while Custom mode offers new tonal range and gain. Waza Craft innovation for a premium analog tone experience Premium sound based on the legendary SD-1 Super Overdrive Newly revised, all-analog discrete amplifier circuit Standard and Custom sound modes Highly responsive to picking dynamics and volume changes Made in Japan