Dynamic element design for deep bass performance; Comfort zone setting on the temporal pad for comfortable, secure fit; Multi-pivoting ear plates and adjustable headband for added comfort; Collapsible for maximum portability when listening on the go; Includes convenient carrying case; Straight, dual entry 4-Foot cord; Frequency response

Koss introduced the PortaPro headphone back in 1984, and they've been a hit ever since. To this day, they still deliver excellent sound quality, particularly for phones in this price range.

The Koss PortaPro collapsible stereophone combines high-quality sound reproduction with a unique design for the ultimate in convenience and comfort. These over-the-head headphones have a dynamic element design for deep bass performance and a frequency response of 15 to 25,000 Hz to ensure the music comes through clear and bright.

Also designed for comfort, these headphones have two adjustable temporal-comfort zone pads to shift the pressure and perfectly balance the ear plates on your ear. The open-earphone ear plates are multipivoting and, together with the adjustable headband, allow for maximum comfort.

The PortaPros are collapsible and come with a carrying case, so it's still easy to take them with you even when you're not wearing them.

• Connectivity Technology: Wired. Designed for deep bass performance
• Comfortable, secure fit with adjustable headband and multi-pivoting ear plates
• Two adjustable temporal-comfort zone pads shift the pressure and perfectly balance the ear plates on your ear
• Collapsible for maximum portability, includes carrying case
• Connector Type: 1 x Headphones (mini-phone stereo 3.5 mm)
• Great frequency response, including deep bass performance
• Comfort Zone setting lets you adjust the temporal pad for a comfortable, secure fit