AKG K52 PERCEPTIONAKG K52 The AKG K52 over ear, closed back headphones provide the perfect combination of sound quality, comfort and durability. Professional drivers deliver solid bass, well defined mids and clear highs so you can hear exactly whats happening. The self adjusting headband provides a personalized fit, ensuring comfort during marathon sessions. With a lightweight yet durable design, high quality components and replaceable earpads, K52 is built to last.