What is the audio output of Yamaha psR-550 electronic organ?

Yamaha Musical Instrument (China) Investment Co., Ltd. was established in May 2002. It is a wholly foreign-owned enterprise invested and established by Yamaha Corporation in China. Later, seven other subsidiaries were established in China, namely Yamaha Electronics (Suzhou) Co., Ltd., Hangzhou Yamaha Musical Instrument Co., Ltd., Tianjin Yamaha Electronic Musical Instrument Co., Ltd., Xiaoshan Yamaha Musical Instrument Co., Ltd., Yamaha Trading (Shanghai) Co., Ltd. and Yamaha Musical Instrument Technical Training (Yamaha Musical Instrument). These seven subsidiaries * * * include all the musical instruments and audio services of Yamaha in China.

Yamaha (China) is headquartered in Yunhe Building, Xinzha Road, Shanghai, with an office area of nearly 5,000 square meters and more than 200 employees. At the same time, the headquarters also set up Yamaha's comprehensive multi-functional music square with music as the theme, which integrates experience, teaching, communication and service, providing all music lovers with opportunities to get in touch with world musical instruments. Besides Shanghai, Yamaha (China) has two offices in China, one in Beijing and the other in Guangzhou.