Yamaha BC3A Breath Controller for MIDI Keyboards for sale online | eBay
Amazon.com: Digipartspower AC/DC Adapter for Korg PA500 ESX-1SD 01RW Music Keyboard Workstation Power(Note: This is DC 12V Output with Barrel Round Plug tip NOT AC9V Output. NOT 4-Pin or 5-Pin Connector :
Fiddlewood™ AC Adapter compatible For Korg PA500 Music Keyboard Workstation Power Supply : Amazon.in: Musical Instruments