Sennheiser HD 660S2 Open-back Audiophile Headphone is Now Available
Sennheiser recently released its new HD 660S2 headphone, and based on its description, the HD 660S2 sounds like a warm-leaning headphone offering deep sub-bass reproduction. According to Sennheiser, it is “an upgrade for audiophiles seeking exceptional detail with engaging low-frequency performance”. The HD 660S2 features 38mm dynamic transducers and a 300 Ω impedance with an … continue reading
