Boss SD-1W Waza Craft Super Overdrive Pedal

This is what Boss say about the SD-1W:

The Sweet Overdrive Tone Has a Prime Redesign

Designed for superior sound detail, the SD-1W enhances the iconic BOSS overdrive using all-discrete analog circuitry. The Standard mode delivers the classic SD-1 tone, while the Custom mode expands the tonal range and gain. 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.

• 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
• BOSS five-year warranty