Koss PRO4AA Over-Ear Stereo Headphones

Minimum Order Quantity: 12 Units This product is sold with a minimum purchase requirement of twelve (12) units. This minimum helps us support school, classroom, and institutional buyers while maintaining consistent pricing and availability. If you need assistance with larger quantities or purchase orders, please contact us and our team will be happy to help. 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 Wearing Style Over-ear Driver Type Dynamic, closed-back Audio Type Stereo Connection Wired (3.5mm) Microphone No 🎒 Ideal For Classrooms and learning labs Focused listening and monitoring tasks Educational environments requiring sound isolation Koss Pro4AA Over-Ear Headphones deliver wired stereo sound with a closed-back, over-ear design for focused classroom and lab listening. 🧾 Procurement & Ordering Notes Wired over-ear stereo headphones with closed-back design and standard 3.5mm connection. No microphone. Designed for dependable educational use.