The Koss PortaPro Headphones remain a favourite for MP3 players, CD players and all other portable audio devices and will improve upon the performance of your portable’s free headphones.

The PortaPro headphones not only provide detailed dynamic sound geared towards a bass heavy response but are also collapsible and come with a carrying case– making storage easy. The headband and ear pads on the headphones are easily adjusted, allowing for maximum comfort on the go.

• Comfort Zone™ setting for a comfortable, secure fit
• Multi-pivoting ear pads and adjustable headband
• Collapsible for maximum portability when on the go
• Includes convenient carrying case

Technical Specifications

• Frequency response: 15-25,000 Hz
• Sensitivity: 103dB SPL/1mW
• Impedance: 60 ohms
• Distortion: <0.2%
• Cable: straight, dual entry, 4ft
• Connector: 6.3 / 3.5mm stereo
• Weight: 2.2 oz.