Astell&Kern SP4000 High Resolution Digital Audio Player (Black)

Product description

• Advanced DAR + VSE Audio Remastering - The Digital Audio Remaster (DAR) engine, now paired with Virtual Sound Extension (VSE), upscales and restores lost spatial harmonics for analog-like musicality, especially with older or compressed recordings.
• Ultra-Low Noise Power Architecture - Featuring a low-noise LDO power regulator, developed for 5G and medical applications, it eliminates up to 97% of power-induced interference, ensuring an ultra-black background.
• Enhanced Signal Alignment (ESA) - Proprietary ESA technology synchronises timing across all frequency bands, eliminating group delay and delivering an incredibly cohesive, phase-correct soundstage.
• Reference-Class Analogue Shielding - A 99.9% pure copper shield can encases the audio circuit to block EMI RFI. Combined with Any-Layer HDI PCB design, this provides reference-grade noise isolation and signal purity.
• Ultra-Luxury Materials & Finishing - Machined from 904L stainless steel used in Rolex watches for exceptional durability and corrosion resistance. Comes with a Perlinger leather case and PVD ceramic back for wireless efficiency and heat dissipation.
• Gorgeous 6 2K Display + LP-Inspired UI - A bold, ultra-bright 6 2K LCD with a reworked UI featuring vinyl-inspired animations, multi-function side switch (including hold), and a redesigned volume wheel for tactile control.
• 10. Dual-Band Wi-Fi, LDAC, and Roon Ready - Streaming is fluid and audiophile-grade with dual-band Wi-Fi, LDAC aptX HD Bluetooth, Roon Ready certification, and full app access via Android making this a true all-in-one high-end audio source.