AB6/Hi-Res Headphones Wired HiFi Monitor Headphones with Microphone 50mm Driver Dual-Hole Connection Closed-Back Instrument Practice Studio Black 【Hi-Res Audio Compatible】Accurately reproduces high frequencies beyond the audible range, realizing the original sound quality, including the overall sound positioning and the spread of echoes. 【50mm Driver & Large Housing】CCAW voice coil that increases the responsiveness of the vibration system through weight reduction, hybrid structure of aluminum and resin, and an oval housing that suppresses unnecessary vibrations, achieving clear sound quality with less distortion. 【Both Sound Isolation and Comfortable Fit】The oval earcups that fit the contours of the ears rotate 30 degrees inside the headphones, effectively preventing sound leakage and noise. Soft, low-rebound cushions are used, so your ears won't hurt even after wearing them for long periods. 【Dual-Hole Connection & Two Types of Cables】Equipped with 6.35mm and 3.5mm jacks on both sides of the headphones, two types of single-sided cables are included to choose from depending on the situation, allowing easy switching between instruments and smartphones without an adapter. 【Instrument Practice & Music Sharing】Because it can accurately reproduce high frequencies beyond the audible range, when connected to an instrument, the power amplifier can maximize the function of the headphones. With the dual-hole connection specification, music from one device can be played simultaneously on multiple headphones.