LCD-S20 Closed-Back

The Audeze LCD-S20 Closed-Back is a pair of 1.21 lb closed-back over-ear headphones using 90 mm planar magnetic drivers, with a stated frequency response of 10 Hz–40 kHz.

Type: Over-ear
Frequency: 10 Hz–40 kHz
Weight: 1.2 lb · 550 g
Impedance: 18 Ω

What the data says

Heavier than most headphones its size: 100% of 3 comparable headphones weigh less.

Computed from the specs below. How we write summaries.

Full specs

Last verified Oct 5, 2026

Unless marked otherwise, specs are from the manufacturer’s product page (audeze.com).

Sound
Frequency response	10 Hz–40 kHz
Driver	Planar magnetic
Driver size	90 mm
Impedance	18 Ω
Sensitivity	93 dB/1mW (@ Drum Reference Point)

Fit & build
Type	Over-ear
Back	Closed-back
Weight (manufacturer)	1.21 lb (550 g)

Wireless
Connection	Wired

Other
Built for	Studio / mixing

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