AudioChainsDB
Superlux

HD672

headphones

$40

Used market: $30*

Manufacturer datasheet

Specifications

3 of 7 values have a recorded source
Connector
Gold plated 3.5 mm stereo mini plug, 2.5 m·
Form Factor
Over-Ear·
Is Closed Back
no·
Impedance ohms
32✓
Transducer Type
Dynamic·
Detachable Cable
no·
Sensitivity dB mW
95✓

Expert Audio Engineering Commentary

Tonal Profile

The semi-open counterpart to the HD671 with an identical electrical passport — 32 Ohms, 95 dB/mW, 50 mm, 20 Hz to 20 kHz. Silicone pads instead of leatherette, so the seal and therefore the bass depend more on head shape than the numbers suggest.

* Estimated with the depreciation fallback (~75% retained value). · checked on 8/5/2026