For unrivaled sound fidelity in a stereo headphone, choose the Sony MDR-7506. These top-selling headphones offer an amazing frequency response of 10 Hz to 20 kHz utilizing a 40mm driver. Its closed-ear design gives it effective isolation from outside sound and its collapsible ear cups facilitate one-ear monitoring and allow it to compress for compact storage and transport. It comes with an oxygen-free cord with stereo unimatch plug (1/4” and 1/8”) with gold plating.