Sennheiser HD 660 S Headphone Review
Sennheiser HD 660 S Pros&Cons Pros Comfortable 4.4mm TRRRS cable included Design looks more “grown-up” compared to previous models Cons Build seems disconnected from price-tag Price-point Sennheiser HD 660 S Specs Impedance: 150 Ω Frequency response: 10 – 41,000 Hz…