I'm sure you would have to run it thru your pa also not that little speaker it has but in a pinch it could work with just a dig piano etc.....I have no use for it but someone might. Probably could get it for a steal on ebay all these years later for like $20.00..

https://www.ebay.com/itm/Korg-Portable-Drum-Machine-KR-mini/142954534941?hash=item2148c1181d:g:jMcAAOSwpwZbrT0j