Description

Astell & Kern SP4000 : Audiophile Portable Player/Walkman

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 an advanced Octa audio circuit architecture, the SP4000 distils the purest essence of audio engineering, delivering a sound experience unlike anything before it—refined, powerful, and remarkably close to perfection. Discover the

Enhanced signal processing capabilities with Octa audio circuit architecture
Supports High Driving Mode for delivering premium sound quality
Minimizes group delay with proprietary ESA (Enhanced Signal Alignment) technology
Ultra Low Noise LDO Regulator for top-tier noise suppression
Precision sound achieved with Any Layer Type PCB
Equipped with a 99.9% Pure Copper Shield Can
First Astell&Kern Device to Support Full Android OS
First Astell&Kern Device to Feature Advanced DAR Technology
Features 4.5th generation UI, combining functionality and emotional design