Portable Players & Dongles
Astell&Kern SP4000
All Astell&Kern · MSRP $4,300
Portable digital audio player in Astell&Kern's A&ultima series, with a stainless steel 904L body, a quad AK4499EX DAC configuration paired with four AK4191EQ processors, and Android OS. It has a 6-inch 2160x1080 touchscreen, 256GB built-in storage, and 3.5mm unbalanced and 4.4mm balanced outputs.
Specifications
| Output impedance | 0.7 Ω |
| THD | 0.0005% |
| Signal-to-noise | 129 dB |
| Dimensions (W × H × D) | 85 × 149.8 × 19.5 mm |
| Weight | 615 g |
As stated by the manufacturer — not community data.
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