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  3. PARTYBOX 520 vs ULT TOWER 7 SRS-ULT700

JBL PARTYBOX 520 vs Sony ULT TOWER 7 SRS-ULT700

What PARTYBOX 520 does better (0) and where ULT TOWER 7 SRS-ULT700 wins (1) — every spec side by side.

JBL PARTYBOX 520
JBL · 2025PARTYBOX 520
0 advantages≈ $800
vs
Sony ULT TOWER 7 SRS-ULT700
6.9Score
1 advantage≈ $490
Higher score
3.0Build & features3.0
Dimensions

Size comparison

PARTYBOX 520ULT TOWER 7 SRS-ULT700
415 × 769369421 × 710347
PARTYBOX 520ULT TOWER 7 SRS-ULT700Difference
Height769 mm710 mm+59 mm
Width415 mm421 mm−6 mm
Depth369 mm347 mm+22 mm

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

Why is PARTYBOX 520 better than ULT TOWER 7 SRS-ULT700?

PARTYBOX 520 has no measurable advantages in this pair.

Why is ULT TOWER 7 SRS-ULT700 better than PARTYBOX 520?

  1. Battery life15 h vs 30 h2×
Specifications

Side by side

Sound
Output power400 W—
Speaker channels—Stereo
Lowest frequency40 Hz—
Highest frequency20,000 Hz—
Stereo—Yes
Battery & charging
Battery life15 h30 h
Power bank function—Yes
Mains poweredYesYes
Battery powered (portable)YesYes
Connectivity
WirelessYesYes
Bluetooth version5.45.3
USB audioYesYes
3.5 mm jack / AUXYes—
Design & build
Width415 mm421 mm
Height769 mm710 mm
Depth369 mm347 mm
Protection ratingIPX4IPX4
Water resistance (IPx)IPx4IPx4
Features
Party / stereo pairingYesYes
Light effectsYesYes
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