The Koss Pro4AA Over-Ear Headphones are closed-back, wired headphones designed for clear, controlled audio in educational and institutional settings. With a full over-ear fit and durable construction, they are well suited for classrooms, labs, and environments that require focused listening.

🎧 Key Features

• 🎧 Over-Ear Closed-Back Design – Full ear coverage helps reduce ambient noise.
• 🔊 Stereo Sound – Clear audio suitable for instructional content and focused listening.
• 🛠️ Durable Construction – Built for repeated use in classroom and lab environments.
• 🔌 Wired 3.5mm Connection – Reliable plug-and-play compatibility with most audio devices.

📱 Device Compatibility

Compatible with desktops, laptops, audio interfaces, mixers, and classroom media equipment that support a standard 3.5mm headphone jack. Not USB or wireless.

🧼 Care & Hygiene

For shared use, wipe ear cushions and headband with school-approved disinfectant wipes between users. Allow to fully dry before reuse. Store in a protective case or on hooks when not in use.

📊 Technical Specifications

🎒 Ideal For

• Classrooms and learning labs
• Focused listening and monitoring tasks
• Educational environments requiring sound isolation

🧾 Procurement & Ordering Notes

Wired over-ear stereo headphones with closed-back design and standard 3.5mm connection. No microphone. Designed for dependable educational use.