AudioChainsDB
Sennheiser

HD 660S2

headphones

$480

Gebrauchtmarkt: $375*

Technische Daten

2 von 7 Werten mit vermerkter Quelle
Connector
6.35 mm + 4.4 mm balanced·
Form Factor
Over-Ear·
Is Closed Back
no·
Impedance ohms
300
Transducer Type
Dynamic·
Detachable Cable
yes·
Sensitivity dB V
104

Kommentar des Toningenieurs

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.

* Geschätzt über das Abschreibungsmodell (~78% Restwert). · geprüft am 5.8.2026