JBL PartyBox 520

6 reviews

Dec, 2025

Positive
sound (5)
size (3)
bass quality (1)
connectivity (1)
reliability (1)

Negative
price (2)
design (1)

General overview
Price comparison

alaTest has collected and analyzed 6 reviews of JBL PartyBox 520. The average rating for this product is 4.8/5, compared to an average rating of 4.3/5 for other products in the same category for all reviews. Views about the bass quality and reliability are generally positive. The connectivity and size also get good views, but some have doubts about the design and price.

sound, size, connectivity, reliability, bass quality

price, design

We analyzed user and expert ratings, product age and more factors. Compared to other products in the same category the JBL PartyBox 520 is awarded an overall alaScore™ of 99/100 = Excellent quality.

Review analysis

(Based on 6 reviews)

Expert Reviews

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Showing 1 - 3 of 3 Show Reviews: in English | in other languages (3)

Expert review by : Jasper Lastoria (rtings.com)

JBL PartyBox 520: Lab Tested - RTINGS.com

The JBL PartyBox 520 is very good for music. Its frequency response accuracy is excellent, meaning your tunes have a solid bass depth, clear melodies, and vocals that cut through the mix without sounding harsh. Even at high output volumes, there's not...

Excellent frequency response accuracy, plenty of eq and sound sculpting tools, gets loud

Front-facing design means it's sensitive to listening angles

Aug, 2025

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Expert review by : Luke Baker (trustedreviews.com)

JBL PartyBox 520

The JBL PartyBox 520 is more powerful than most will need, but if you like to host large parties, it could be just what you're looking for

Excellent sound quality ; Super powerful ; Premium build quality ; Best-in-class lighting effects ; Versatile I/O

Quite pricey ; Very heavy

The JBL PartyBox 520 is one of the best party speakers around. The sound quality is excellent, the lighting effects are second-to-none, and the connectivity and build quality are top-of-the-line. The speaker is more powerful than most will need, but if...

Sep, 2025