Sennheiser HD 660s Audiophile Headphones (Open box) - Discontinued eartips Features include flat response curve

Features include flat response curve

Selectable 33/45/78 RPM speeds

the Taurus combines timeless craftsmanship with modern engineering

Audio-Technica ATH-M40x Studio Monitor Headphones

THD + Noise: TBA

Sennheiser HD 660s Audiophile Headphones (Open box) - Discontinued eartips Features include flat response curveHD 660S The perfect blend of power and control. The powerhouse open back headphone Connects you to the deepest corners of your music collection. Hi fidelity sound Open back design 42mm transducers Luxurious comfort Detachable cable A Direct Connection To Your Music Known for their engaging signatures and liquid smooth response, HD 660S predecessors HD 650 and HD 600 shattered performance barriers in the audiophile headphone category. The HD 660S