Astell&Kern A&ultima SP4000 portable music player with sleek black design and high-resolution display.

Astell&Kern A&ultima SP4000

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€4.499,00
€4.499,00
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Astell&Kern A&ultima SP4000 portable music player with sleek black design and high-resolution display.
  • Astell&Kern A&ultima SP4000 portable music player with sleek black design and high-resolution display.
  • Astell&Kern A&ultima SP4000 portable music player with a sleek black design and touch screen display.
  • Astell&Kern A&ultima SP4000 portable music player with sleek black design and touchscreen display.
  • Astell&Kern A&ultima SP4000 portable music player with sleek black design and high-resolution display.
  • Astell&Kern A&ultima SP4000 portable music player with a sleek black design and touchscreen display.
  • Astell&Kern A&ultima SP4000 portable music player with a sleek black design and high-resolution display screen.
  • Astell&Kern A&ultima SP4000 portable music player with sleek black design and high-resolution display.
  • Astell&Kern A&ultima SP4000 portable music player with sleek design and high-resolution display, showcasing premium audio quality.
  • Astell&Kern A&ultima SP4000 portable music player with sleek design and touchscreen display, showcasing high-resolution audio capabilities.
  • Astell&Kern A&ultima SP4000 portable music player with sleek black design and large touchscreen display.
  • Astell&Kern A&ultima SP4000 portable music player with large touchscreen display and sleek black design.
  • Astell&Kern A&ultima SP4000 portable music player with a sleek black design and high-resolution display screen.
  • Astell&Kern A&ultima SP4000 portable music player with large screen and sleek black design, showing controls on the front.
  • Astell&Kern A&ultima SP4000
  • Astell&Kern A&ultima SP4000 portable music player with sleek black design and high-resolution display.
  • Astell&Kern A&ultima SP4000 portable music player with a sleek black design and touch screen display.
  • Astell&Kern A&ultima SP4000 portable music player with sleek black design and touchscreen display.
  • Astell&Kern A&ultima SP4000 portable music player with sleek black design and high-resolution display.
  • Astell&Kern A&ultima SP4000 portable music player with a sleek black design and touchscreen display.
  • Astell&Kern A&ultima SP4000 portable music player with a sleek black design and high-resolution display screen.
  • Astell&Kern A&ultima SP4000 portable music player with sleek black design and high-resolution display.
  • Astell&Kern A&ultima SP4000 portable music player with sleek design and high-resolution display, showcasing premium audio quality.
  • Astell&Kern A&ultima SP4000 portable music player with sleek design and touchscreen display, showcasing high-resolution audio capabilities.
  • Astell&Kern A&ultima SP4000 portable music player with sleek black design and large touchscreen display.
  • Astell&Kern A&ultima SP4000 portable music player with large touchscreen display and sleek black design.
  • Astell&Kern A&ultima SP4000 portable music player with a sleek black design and high-resolution display screen.
  • Astell&Kern A&ultima SP4000 portable music player with large screen and sleek black design, showing controls on the front.
  • Astell&Kern A&ultima SP4000
Astell&Kern A&ultima SP4000
Astell&Kern

Astell&Kern A&ultima SP4000

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Astell&Kern A&ultima SP4000 €4.499,00

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Astell&Kern A&ultima SP4000 – Flagship Digital Audio Player

The Astell&Kern A&ultima SP4000 represents the pinnacle of portable high-resolution audio, designed for audiophiles seeking uncompromising sound quality. As the successor to the acclaimed SP3000, the SP4000 introduces a new Octa audio circuit architecture, delivering unmatched clarity, detail, and dynamics in a portable player. With its combination of advanced DAC technology, refined circuitry, and luxurious design, it sets a new benchmark in reference-grade digital audio players.

Key Features

  • Octa Audio Circuit Architecture: Innovative design with eight DAC chips (AKM4191 x4 + AKM4499EX x4) for true Quad DAC performance
  • Enhanced ESA Technology: Proprietary Enhanced Signal Alignment minimizes group delay and improves time-domain accuracy
  • Powerful Output: High Driving Mode delivers 4.1 Vrms unbalanced and 8.2 Vrms balanced for demanding headphones
  • Noise Suppression: Ultra Low Noise LDO Regulator and 99.9% pure copper shielding for pristine playback
  • Full Android OS: First Astell&Kern flagship player with open Android system for broader app compatibility
  • Premium Design: Stainless steel 904L chassis with a 6” 2K touch display and 4.5th gen UI
  • Comprehensive Wireless Support: Dual-band Wi-Fi, Bluetooth 5.0 with LDAC, aptX HD, LHDC, AAC, and SBC
  • Generous Storage: 256 GB internal memory plus microSD expansion up to 1.5 TB

Quick Specs

  • DAC: 4x AKM4191 + 4x AKM4499EX (Quad DAC)
  • CPU: Octa-core
  • Display: 6" 2K (2160 × 1080) touchscreen
  • Output Level: 4.1 Vrms unbalanced, 8.2 Vrms balanced
  • Frequency Support: PCM up to 32-bit/768 kHz, DSD512 native
  • Outputs: 3.5 mm unbalanced/optical, 4.4 mm balanced
  • Wireless: Wi-Fi 802.11 a/b/g/n/ac (2.4/5 GHz), Bluetooth 5.0
  • Internal Memory: 256 GB NAND
  • Expandable Memory: microSD (up to 1.5 TB)
  • Battery: 8,000 mAh lithium-ion
  • Dimensions: 85 × 149.8 × 19.5 mm
  • Weight: approx. 615 g

What’s in the Box

  • Astell&Kern A&ultima SP4000
  • Protective film
  • microSD card slot cover
  • USB Type-C cable
  • Quick Start Guide & Warranty Card

Use Cases / Ideal For

The SP4000 is ideal for audiophiles, recording professionals, and discerning listeners who demand studio-grade playback on the go. Perfect for high-resolution streaming, reference listening with flagship IEMs and headphones, and use as a high-quality DAC in desktop setups.

Pros & Cons

✅ Pros:

  • Class-leading Octa audio circuit for unmatched sound quality
  • Quad DAC implementation with ultra-low noise design
  • Premium stainless steel build with 6” 2K display
  • Full Android OS for app flexibility
  • Expandable storage up to 1.5 TB

⚠️ Cons:

  • Large and heavy compared to entry-level DAPs
  • Flagship performance comes at a premium price

The Astell&Kern A&ultima SP4000 is more than a music player—it is a flagship reference instrument for those who want nothing less than the very best portable audio experience.
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