Sennheiser HD 660S2

Reference open-back. Neutral audiophile signature.

Specifications

{"ANC":"No","Mic":"None","Type":"Wired Open-Back","Driver":"38mm","Weight":"300g","Frequency":"8Hz-41.5kHz","Impedance":"32Ω","Audio Type":"Stereo","Connection":"3.5mm","Microphone":"Detachable, Cardioid","Driver Size":"50mm Neodymium","Battery Life":"N/A (Wired)","Compatibility":"PC / Mac / PS5 / PS4 / Xbox / Nintendo Switch","Software Support":"None required","Frequency Response":"20Hz – 20,000Hz","Noise Cancellation":"Passive isolation"}