Sennheiser HD 650 – Audiophile Hi-Res Open Back Dynamic Headphone

Amazon.com Price: $313.00 (as of 30/11/2022 10:56 PST- Details)

Specially designed acoustic silk ensures precision damping over the entire frequency range and helps to reduce THD to an incredible 0.05 percent
Improved frequency response is 10 39,500 Hertz ( 10 dB)
Hand selected matched driver elements; Highly optimized magnet systems for minimum harmonic and inter modulation distortion