IEMMid range

Etymotic ER2XR

7.8

/ 10

Specifications

Impedance

45 Ω

Sensitivity

96 dB/mW

Type

IEM

Amp required

Not necessary

Score by configuration

No amplifier

6.6

Portable amp

7.2

Desktop amp

7.8

Max score assumes optimal full audio chain.

Analysis

The Etymotic ER2XR is a mid range iem with 45Ω impedance and 96dB sensitivity. At 45Ω, these headphones drive well from most phones and computers without needing an external amplifier.

Your audio source matters more than most people think. Spotify High Quality is fine for casual listening, but with FLAC files or lossless services like Apple Music or TIDAL you'll hear a clear improvement — especially with mid range headphones like these.

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