Tested. Works. Does have a crack on the bottom and no battery cover plate. Tested with batteries. The Yamaha Portasound PS-400 Portable Keyboard is a medium-sized electronic keyboard with 44 keys, ideal for beginner musicians. This sleek black keyboard is lightweight and can be powered by batteries, making it convenient for on-the-go practice. With built-in effects and a case included, this 1982 model from Yamaha offers a complete set for keyboard enthusiasts looking for a portable and versatile instrument.
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