IEMReference

Sony IER-Z1R

9.2

/ 10

Specifications

Impedance

24 Ω

Sensitivity

101 dB/mW

Type

IEM

Amp required

Not necessary

Score by configuration

No amplifier

7.8

Portable amp

8.5

Desktop amp

9.2

Max score assumes optimal full audio chain.

Analysis

The Sony IER-Z1R is a reference iem with 24Ω impedance and 101dB sensitivity. At 24Ω, 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 reference headphones like these.

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