Yamaha - PSR-A300i - 13-note Rubber contact strip PSR-E403 and WR329000

and WR329000

This power adapter has a 9-volt DC output and is compatible with various input voltage levels

12-key rubber contact strip for these Kurzweil keyboards:

Its output is 24VDC

This replacement power adapter operates on all mains voltages and requires a separate power cord

Yamaha - PSR-A300i - 13-note Rubber contact strip PSR-E403 and WR32900013 Note Yamaha Rubber Contact Strip (ZS089100 V7477400) This 13 note rubber key contact strip features embedded carbon bubbles that, when pressed by a key, bridge to the circuit board restoring signal and ensuring proper key response. Specifically engineered as a direct replacement for Yamaha part numbers ZS089100 and V7477400