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
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User manual JBL PartyBox 300 (English - 24 pages)
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User manual JBL PartyBox 300 (English - 24 pages)
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How to Connect Partybox 300 + Sub woofer A120P / JBL Stage A 120P / JBL Partybox 300 Boost bass - YouTube
JBL PartyBox On-The-Go | Portable party speaker with built-in lights and wireless mic