The Astell&Kern A&ultima SP4000 is a high-end digital audio player for audiophiles, combining Octa audio architecture with Android OS for unmatched sound fidelity and smart functionality. – Octa Audio Circuit Architecture: Dedicated AK4191 digital processor paired with AK4499EX DAC..
Astell&Kern A&ultima SP4000: Flagship DAP with Octa Audio Architecture & Android OS
The Gadget Flow - 9 Jun 2025 22:00
The Astell&Kern A&ultima SP4000 is a high-end digital audio player for audiophiles, combining Octa audio architecture with Android OS for unmatched sound fidelity and smart functionality. – Octa Audio Circuit Architecture: Dedicated AK4191 digital processor paired with AK4499EX DAC..
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