Koss Pro4AA Studio Headphones
Koss Corporation$79-$115
Features
- Legendary 1970 design still in production — the benchmark for broadcast and studio monitoring
- Oversized dynamic elements with 10–25,000 Hz response and 95 dB SPL sensitivity
- Superior passive isolation; closed-back design seals out ambient noise
- 8-foot coiled cord with 6.3 mm plug (3.5 mm adapter included)
- Covered by Koss Limited Lifetime Warranty for original owner
Description
The Pro4AA is the direct descendant of the legendary Pro/4AA that Koss introduced in 1970, setting the standard for full-size professional monitoring headphones. Oversized dynamic elements deliver a 10–25,000 Hz frequency response with tight noise isolation, making them a studio and broadcast staple for over five decades. Includes an 8-foot coiled cord with 6.3 mm plug and Koss's Limited Lifetime Warranty.
Made in the USA
Manufactured by Koss Corporation, Milwaukee, WI. Koss confirmed US-based production and assembly at its Milwaukee factory in a 2019 press release.
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