
The Astell&Kern A&ultima SP4000 audio player introduces a limited Copper Edition, crafted with 99.98% pure copper for superior audio performance.
This flagship model retains its quad-DAC design and parallel op-amp architecture, ensuring optimal sound quality for demanding headphones and in-ear monitors.
Priced at £3,999 / €4,699 / $4,499, this device is tailored for dedicated audiophiles seeking premium audio experiences.
Also covered by
T3 Audio

Introduces an Octa audio circuit architecture with a Quad DAC setup for exceptional audio clarity and detail.
Features a pure copper shield, HDI PCB technology, and low noise LDO regulator for minimal interference and pristine sound.
Runs full Android with Google Play access, supporting seamless integration with streaming services and bit-perfect playback.