AudioChainsDB

SennheiserHD 660S2

headphones

New retail price (MSRP)

$480

Used market: $375*

Check price at ThomannManufacturer datasheet

Specifications

2 of 8 values have a recorded source
Connector
6.35 mm + 4.4 mm balanced·
Form factor
Over-Ear·
Closed back
no·
Impedance
300✓
Transducer
Dynamic·
Detachable cable
yes·
Sensitivity
104✓
Indexable Locales
·

Expert Audio Engineering Commentary

Tonal profile

The S2 went back to 300 Ω after the 150 Ω HD 660S — the two are one digit apart in the name and a factor of two apart in the current they draw. Check which one you actually own before trusting any amplifier calculation.

Setups using this gear

Is the Universal Audio Volt 476 loud enough for the Sennheiser HD 660S2?HD 660S2 on a Qudelix 5K: exactly 0.0 dB of headroom, which is not the same as enough

* Estimated with the depreciation fallback (~78% retained value).