JBL PartyBox 520
Portable Speakers

PartyBox 520

JBL

Released Mar 1, 2024 · Analysis updated Apr 7, 2026

JBL PartyBox 520 portable speaker delivers a dynamic light show, powerful 400W sound, long battery life, and Bluetooth connectivity. The JBL PartyBox 520 scores 83/100 based on 3 expert reviews in the portable speakers category. Coverage includes reviews from Mashable, Worldwidestereo, and Rtings.

Critic Score

What's this?
83

based on 3 expert reviews

MashableWorldwidestereoRtings

Low confidence · only 3 reviews

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Pros

  • Light show feature(2)
  • Loud and powerful sound(2)

Cons

  • Bulky design(3)

3 Expert Reviews

90
Major publication08/2025

The JBL PartyBox 520 is an oversized, wireless Bluetooth speaker that brings the party.

85
Independent publication08/2025

The JBL PartyBox 520 delivers powerful sound, extensive connectivity, and fun lighting effects in a portable package, making it ideal for parties and outdoor events.

75
Established publication03/2024

The JBL PartyBox 520 is a powerful portable speaker with good sound quality and features, but its size and weight may limit portability.

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