Check the listing for details. VTG 1988 Yamaha PortaSound PSS-140 Electronic Keyboard Drum Pad Read Description. Color: Black, Condition: Used, Made in Japan. Listed at 35.00 USD. The VTG 1988 Yamaha PortaSound PSS-140 Electronic Keyboard is a classic piece of musical equipment known for its high-quality sound and portable design. This keyboard drum pad features 37 keys with a synth action, making it perfect for creating a wide range of melodies and rhythms. With its sleek black color and built-in speaker, this Yamaha model is a stylish and versatile option for any musician looking to add a vintage touch to their setup. Additionally, the keyboard offers features such as battery power, a mic input, and built-in effects, further expanding its functionality and appeal for performers and hobbyists alike.NOT THE ORIGINAL POWER CORD BUT IT WORKS JUST FINE. DID NOT TEST WITH BATTERIES