This listing is for a used Yamaha Portasound PSS-570 programmable keyboard synthesizer with free shipping. A model like this may appeal to musicians, collectors, or buyers looking for a vintage Yamaha keyboard for home playing, basic composition, or studio interest. Because it is listed as used, condition should be reviewed carefully to understand any cosmetic wear or signs of prior use before purchase. The title identifies it as a PCM-based programmable keyboard synthesizer, which helps shoppers searching for this specific model. If you are comparing older portable keyboards, this is a practical option to consider based on model interest and overall condition. Check the listing for full details. Yamaha Portasound PSS-570 Programmable Keyboard Synthesizer PCM. Color: Black, Width: 14 in, Condition: Used, Made in Japan. Listed at 200.00 USD. It features a variety of built-in effects and an equalizer, making it a great option for musicians of any experience level.