PartyBox 300 is the most legit portable speaker on the market for those who want professional level/quality sound and multiple input options. This thing can be used indoors for a wedding with
JBL PartyBox 300 Review • The Ultimate Party Speaker!
The JBL PartyBox 300 Review: Your Party's Ultimate Music Machine | GearDiary
JBL PartyBox 300 Portable Bluetooth Speaker - Black for sale online | eBay