Koss Pro4S Wired On-Ear Studio Headphones Black

The Koss Pro4S are wired on-ear headphones engineered for studio work and critical listening. Built with D-profile memory foam cushions and tuned using Koss SLX40 Elements reference drivers, these headphones deliver accurate sound reproduction across a 10–25,000 Hz frequency range with 99 dB sensitivity.

Studio-Grade Sound in a Portable Package

• Full-size design with memory foam cushions for extended wear comfort
• D-profile construction folds flat for easy transport, with included carrying case
• Detachable cord with dual connector entry points for flexible setup
• 3.5 mm wired connection—no batteries or charging required
• 35 Ω impedance optimised for studio monitoring and mixing

These headphones suit music producers, audio engineers, and audiophiles who need flat, honest sound without wireless complications. Ideal for studio sessions, critical mixing, and anyone who values durability and straightforward wired connectivity.