But these places are noisy, so the effect of audition is not very good.
Here are some quieter ones.
The ninth floor of Wuhua Building in the southwest corner of Chegongzhuang is the headquarters of Anrun Company. It is very quiet here and you can listen to most headphones of various brands.
Get off at Shuangqiao Station on Batong Line and turn south. There is an oak leaf stereo. There are many amplifiers made by experts here. Taobao directly searches this store and has a specific address.
There is a JABEN earphone shop in SOHO A 16 13 on Dawang Road, where you can hear many good things that are not common at home and abroad.