AI-generated product photo — not official manufacturer imagery.
PortaPro
KossEstimated price (community-sourced)
Around — community and catalog average, updates slowly
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
Transducer Specifications
Driver and acoustic performance characteristics
- Sensitivity
- 101 dB SPL @ 1W/1m
- Impedance
- 60Ω
- Frequency Response
- 15 Hz - 25 kHz
Headphone Design
Headphone driver and design characteristics
- Type
- on-ear
- Driver Type
- dynamic
- Open/Closed Back
- Closed Back
Key Specifications
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions