Koss | kuulokkeet | Pro4S | johdolliset | on-ear | musta

The Koss Pro4S wired on-ear headphones deliver professional-grade studio monitoring in a sleek black design. Engineered with Koss SLX40 Elements, these headphones are tuned for accurate studio reference, making them ideal for critical listening and audio production. The full-size, over-ear D-profile cushions provide lasting comfort during extended sessions, while the detachable cord with dual-entry choice offers flexible connectivity. Fold-flat design and included carrying case ensure easy portability and protection.

Key features

• Full-size, over-ear studio headphones with memory foam D-profile cushions for comfort and isolation
• Koss SLX40 Elements tuned for precise studio reference sound
• Detachable cord with dual-entry choice for convenient left or right cable routing
• Fold-flat design for compact storage and travel
• Wired 3.5 mm connector for universal compatibility with audio devices
• Frequency response range of 10–25,000 Hz for detailed audio reproduction
• Impedance of 35 ohms and sensitivity of 99 dB for efficient performance with portable gear