HD 820 Open Box

The HD 820 delivers an unparalleled, reference-grade audiophile listening experience in a closed headphone Innovative glass reflectors and frequency absorber systems replicate the wide open characteristics of audiophile speakers in a sealed earcup design 56mm Ring Radiator transducers and Glass Reflectors provide total immersion in your music with absolute detail and a breathtaking soundstage Made in Germany using the finest materials for sound integrity, build quality, and luxurious comfort Connectivity technology: Wired