M-AUDIO SP-1 [Polarity-switchable footswitch] Shekele The zipper is made by

The zipper is made by the trusted YKK

allowing for a different approach and making them effective for switching between songs

making your voice sound clearer

Yamaha/Woodstone Alto Saxophone YAS-82Z WS

Data CD (CD-ROM)

M-AUDIO SP-1 [Polarity-switchable footswitch] Shekele The zipper is made byEquipped with a polarity switching switch, this sustain pedal is compatible with a wide range of models! The SP 1 is a compact foot switch. It is an unlatching type with a polarity selector switch, so it can be used with sustain pedals on MIDI devices from all manufacturers. Sustain pedals may have different polarities depending on the manufacturer. For this reason, if you use an incompatible product, the normal situation will be "holding the pedal