Etymotic ER2XR Extended Response vs Sony IER-M500

What ER2XR Extended Response does better (0) and where IER-M500 wins (2) — every spec side by side.

0 advantages≈ $150

Sony · 2026IER-M500

2 advantages≈ $110

Why is ER2XR Extended Response better than IER-M500?

ER2XR Extended Response has no measurable advantages in this pair.

Specifications

Only differences	Etymotic ER2XR Extended Response≈ $150	Sony IER-M500≈ $110
Sound
Fit	In-ear	In-ear
Ear cup design	Closed-back	Closed-back
Driver type	—	Dynamic
Driver size	—	5 mm
Lowest frequency	20 Hz	10 Hz
Highest frequency	16,000 Hz	40,000 Hz
Impedance	15 Ω	16 Ω
Sensitivity	96 dB	103 dB
Connectivity
Wireless	No	No
3.5 mm jack / AUX	Yes	Yes
Design & build
Weight	—	7 g
Colours	Blue, Black	—