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Can you use a subwoofer in the restaurant culture bar and perform programs?
You can't.

The Municipal Environmental Protection Bureau issued a notice on the use of audio in restaurants and entertainment places: it is forbidden to use overweight subwoofers and other audio equipment in restaurants and entertainment places in residential buildings.

Subwoofer is a common name or abbreviation for everyone. Strictly speaking, it should be: subwoofer Heavy bass is actually the name of bass music in electronic music.