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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JBL PartyBox 300 | Battery-powered portable Bluetooth party speaker with light effects
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Intact Ghana - JBL PartyBox 300
JBL PartyBox 300 Portable Bluetooth® speaker with light display at Crutchfield