AKG K872 Master Reference Closed-Back Monitoring HeadphonesThe culmination of almost 70 years of expertise, the AKG K872 master reference closed back headphones provide unprecedented accuracy and comfort in production and live sound engineering environments. Custom 53mm drivers with 1. 5 Tesla magnet systems deliver exceptional headroom for precise imaging, deep low frequencies and extended dynamic range. The optimized closed back design ensures excellent isolation during tracking, mixing and mastering