A140 High Fidelity Closed Back Headphones BlackThe A140 is the perfect choice for home studio and music enthusiasts alike. Featuring a professional, high quality design, the A140 provides exceptional clarity and a tight, balanced sound across the entire frequency range. With the 40 mm phase coherent drivers, the A140 delivers clean bass tones, accurate midrange, and crisp highs for headphone mixing, playback, and critical listening, at a great price. Product Features Dynamic closed back design