Astell&Kern A&ultima SP4000 Portable Audio Player

Astell&Kern is known for its commitment to sound quality. Their new flagship portable audio player, the A&ultima SP4000, continues this legacy. It's built around an Octa audio circuit architecture that pairs one AK4191 digital processor with one AK4499EX analog DAC, allowing digital signals to be delivered precisely without the need to distribute noise. Its custom build of Android OS can handle hi-res PCM files up to 32-bit/768kHz, supports aptX Adaptive and LDAC Bluetooth codecs for 24-bit audio playback, and allows for installation of streaming apps from the Google Play Store. Tech specs include a 6" 2160x1080 touch screen, 256GB of internal storage, support for microSD cards up to 1.5TB, Wi-Fi and DLNA networking, and USB digital audio output, and an internal battery that offers 10 hours of continuous playback from a single USB-C charge. Built with a stainless steel frame, it will be available this summer.

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