Astell & Kern A&ultima SP4000 Portable High-Resolution Digital Audio Player Color:Black ddHiFi and Eletech have jointly

ddHiFi and Eletech have jointly collaborated and developed the new Nyx Pin interchangeable connector system

53 mm driver units with highly efficient German Permendur magnetic circuitry deliver powerful audio with an expansive sound field

The Chu II offers an immersive listening experience with its clear and detailed sound reproduction

The soft earpads and headband padding provide support that reduces fatigue and with up to 45 hours of audio playback

Astell & Kern A&ultima SP4000 Portable High-Resolution Digital Audio Player Color:Black ddHiFi and Eletech have jointlySP4000 Built on Legacy, Evolving Perfection The A&ultima SP4000 is Astell&Kern's newest flagship digital audio player, the result of three years of relentless research and innovation following the development of the SP3000. As part of the A&ultima series Astell&Kern's flagship lineup combining cutting edge technology and top tier specifications the SP4000 surpasses the boundaries set by the SP3000, once regarded as the ultimate reference. Built upon