The Astell&Kern A&ultima SP4000 is designed for those who value uncompromising audio quality, elegant design, and smooth day-to-day usability. It's a flagship digital audio player that combines precision engineering with a refined user experience—perfect for discerning listeners ...The Astell&Kern A&ultima SP4000 is designed for those who value uncompromising audio quality, elegant design, and smooth day-to-day usability. It's a flagship digital audio player that combines precision engineering with a refined user experience—perfect for discerning listeners, whether you're enjoying hi-res tracks at home or streaming on the move.
With a completely reworked internal architecture and a high-performance processor, the SP4000 delivers outstanding sonic clarity, low distortion, and exceptional control. You can explore your music collection with greater depth and detail, all housed in a body crafted from premium stainless steel and wrapped in a luxury leather case.