How we scoreBlogAdvertise
Amidioheadphones · speakers · earbuds
  1. Amidio
  2. Compare
  3. Tune 520C vs Bluey

JBL Tune 520C vs OTL Bluey

What Tune 520C does better (1) and where Bluey wins (0) — every spec side by side.

JBL Tune 520C
JBL · 2025Tune 520C
1 advantage≈ $16
vs
OTL Bluey
OTL · 2024Bluey
0 advantages≈ $18
4.0Noise control & calls4.0

Why is Tune 520C better than Bluey?

  1. Driver size33 mm vs 30 mm+10%

Why is Bluey better than Tune 520C?

Bluey has no measurable advantages in this pair.

Specifications

Side by side

OTL BlueyOTL Bluey≈ $18
Sound
FitOn-earOver-ear
Ear cup designClosed-back—
Driver typeDynamic—
Driver size33 mm30 mm
Lowest frequency20 Hz20 Hz
Highest frequency20,000 Hz20,000 Hz
Impedance30 Ω32 Ω
Sensitivity102 dB95 dB
Hi-Res AudioYes—
Noise control
Active noise cancellingNoNo
Connectivity
WirelessNoNo
Multipoint (two devices)Yes—
USB-CYes—
3.5 mm jack / AUX—Yes
Smart & streaming
Voice assistantGoogle Assistant, Siri—
Design & build
Weight157 g—
FoldableYes—
Colours—Blue
Features
Hands-free callsYes—
To compare: 0up to 4 models
Compare