Professional quality Koss R80 full-size noise isolating headphones provide undeniably great sound outdone only by the comfort they offer. Listeners laud the outstanding form and function of the R80 full size headphones, designed for frequent use over extended periods.
Koss R-80 studio-quality headphones feature a dynamic element construction that utilizes neodymium iron boron magnet structures for accurate acoustic sound reproduction and oxygen-free copper voice coils for signal clarity. Extra large leatherette ear cushions provide maximum isolation and deeper bass, while pivoting ear cups allow for flexible movement during extended wear. Also included are a detachable 8-foot single-entry coiled cord for flexibility and 1/8-inch and 1/4-inch stereo plugs for home and portable use.

A Home headphone is a headphone that is primarily used in the home, with home electronics. Generally speaking, home headphones are somewhat larger and more isolating. Home headphones with cords tend to have a longer cord.
Features

Frequency Response: 16-22,000 Hz
Dynamic Element construction utilizes neodymium iron boron magnet structures for accurate acoustic sound reproduction
Oxygen Free copper voice coils for signal clarity
Extra large leatherette ear cushions for maximum isolation and deep bass
Pivoting ear cups for flexible movement during extended wear
Adjustable headband adapts to any head size or shape for added comfort
Detachable 8 foot, single entry coiled cord for flexibility and reliability
Includes 1/8" and 1/4" stereo plugs for home and portable use