Koss PRO4AA Over-ear Headphones, Black

The Koss PRO4AA is a wired, over-ear headphone designed for professional audio applications, including studio monitoring, recording, and broadcasting. Its closed-back acoustic system provides passive noise isolation, a feature suitable for critical listening and mixing in environments with ambient sound. The dynamic drivers cover a wide frequency response from 10 Hz to 25,000 Hz, engineered for accurate and detailed sound reproduction. With a high impedance of 250 ohms, these headphones are optimized for pairing with professional-grade and high-output audio equipment for proper signal driving.

Built for extended use, the headphone features a durable headband and padded ear cushions for a secure and comfortable fit. The overall construction prioritizes function and reliability for demanding professional use. A 2.4-meter heavy-duty coiled cord is included, offering substantial range of movement from the connected audio source. This cable terminates in a standard 3.5 mm plug, ensuring broad compatibility with audio interfaces, mixers, and other professional devices without the need for additional adapters.

• Over-ear, closed-back acoustic design
• Wired connection with a 3.5 mm plug
• Dynamic drivers for sound reproduction
• 10 Hz to 25,000 Hz frequency response
• 250 ohm impedance for professional equipment
• Audio sensitivity rated at 95 dB
• Lightweight construction at 100 grams
• Includes a 2.4-meter coiled audio cable