You probably want a PA or Karaoke system. Take a look at this one:

https://www.amazon.com/dp/B07L4XTTX6/ref=cm_sw_r_cp_apa_glt_fabc_J96WCAP557CMF3AC3E1Q?_encoding=UTF8&psc=1

This w king is a little more portable and water resistant, but isn't as loud.

https://www.amazon.com/dp/B08TTCHNP2/ref=cm_sw_r_cp_apa_glt_fabc_S2S5DZ3FZ4SAF9S5PPKS