The new thing is big portable, backpack format speakers, which give off quite some sound: https://www.soundboks.com/ https://www.soundboks.com/ People just set

The new thing is big portable, backpack format speakers, which give off quite some sound: https://www.soundboks.com/ https://www.soundboks.com/ People just set up in the park or on a street and start blasting club volume music. It's getting harder to not be the grumpy old guy.