Koss Porta Pro Headphones

With a rated bandwidth of 15 Hz to 25 kHz, the PortaPro is said to provide the low-distortion reproduction of home headphones.

• Other features include dynamic element design for deep bass performance.
• Comfort Zone setting on temporal pad for comfortable and secure fit, multi-pivoting earplates and adjustable headband for added comfort,
• 1/8' and 1/4' stereo plugs for home and portable use.
• Convenient carrying case.
• Dual entry 4 foot cord.
• Frequency Response: 15-25,000 HzDynamic element design for deep bass performanceComfort Zone™ setting on temporal pad for comfortable, secure fit
• Collapsible for maximum portability when listening on the go