AK T5p 2nd Generation is the latest collaboration between Beyerdynamic - the renowned German manufacturer with almost 100 years of headphone-making heritage - and Astell&Kern, the market leader in premium portable music players. A closed-back design, the AK T5p 2nd Generation is tuned for optimal audio performance with Astell&Kern's portable players, providing peerless clarity across all frequencies, plus excellent bass reinforcement. It uses high-efficiency Tesla Technology and comes with an audiophile-grade 2.5mm 99.8% pure silver and OCC hybrid detachable balanced headphone cable. The headphones, which are handmade in Germany, also feature high-quality ear pads, to provide excellent comfort - even for long listening sessions. We increased the perfection of the product with a black metal faceplate.