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  3. PARTYBOX 330 vs PARTYBOX 520

JBL PARTYBOX 330 vs JBL PARTYBOX 520

What PARTYBOX 330 does better (2) and where PARTYBOX 520 wins (1) — every spec side by side.

JBL PARTYBOX 330
JBL · 2026PARTYBOX 330
2 advantages≈ $560
vs
JBL PARTYBOX 520
JBL · 2025PARTYBOX 520
1 advantage≈ $800
3.0Build & features3.0
Dimensions

Size comparison

PARTYBOX 330PARTYBOX 520
334 × 663375415 × 769369
PARTYBOX 330PARTYBOX 520Difference
Height663 mm769 mm−106 mm
Width334 mm415 mm−81 mm
Depth375 mm369 mm+6 mm

Drawn to the same scale from the official dimensions (front and side).

Why is PARTYBOX 330 better than PARTYBOX 520?

  1. Battery life18 h vs 15 h+20%
  2. Bluetooth version6 vs 5.4+11%

Why is PARTYBOX 520 better than PARTYBOX 330?

  1. Output power280 W vs 400 W+43%
Specifications

Side by side

Sound
Output power280 W400 W
Lowest frequency40 Hz40 Hz
Highest frequency20,000 Hz20,000 Hz
Battery & charging
Battery life18 h15 h
Mains poweredYesYes
Battery powered (portable)YesYes
Connectivity
WirelessYesYes
Bluetooth version65.4
USB audioYesYes
3.5 mm jack / AUXYesYes
Optical inputYes—
Design & build
Width334 mm415 mm
Height663 mm769 mm
Depth375 mm369 mm
Protection ratingIPX4IPX4
Water resistance (IPx)IPx4IPx4
Features
Party / stereo pairingYesYes
Light effectsYesYes
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