About the PortaPro
The Koss PortaPro is a classic on-ear headphone model introduced in 1984. It is renowned for its lightweight and comfortable design, making it suitable for extended listening sessions. The headphones feature dynamic elements that deliver a wide frequency response of 15 Hz to 25 kHz, providing rich bass and detailed audio across various music genres. They have an impedance of 60 ohms and a sensitivity of 101 dB SPL at 1 kHz / 1 mW, which ensures clear sound reproduction. The PortaPro does not have active noise cancellation but offers an open-air design with hear-through sound, allowing users to remain aware of their surroundings. The headphones are built with oxygen-free copper voice coils for improved signal transmission and are covered by Koss' Limited Lifetime Warranty.
Specifications
Key Specifications
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