A simple solution for reverse polarity issues.
The Visual Sound Reverse Polarity Converter is a tiny accessory for the 1 SPOT 9V DC adapter that adapts it to power Yamaha keyboards, samplers, and drum machines, as well as certain reverse-polarity effects pedals.
For use with the 1 SPOT 9V DC adapter
Allows 1 SPOT to power Yamaha products and other reverse polarity effects pedals
A tiny accessory at a tiny price that makes a big difference. Order today.