Astell&Kern SP1000 A&ultima Series High-End Music Player

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The A&ultima SP1000 from Astell&Kern is a high-resolution media player, featuring an updated dual DAC and octa-core processor for fast and responsive operation with vivid sound reproduction. The SP1000 supports a wide variety of audio formats including WAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DFF, DSF, as well as native DSD. The player is equipped with dual AKM AK4497EQ chips, which provide a playback resolution up to 32-bit / 384 kHz and native DSD playback of DSD256 (1-bit / 11.2 MHz).


The SP1000 can be controlled via its 5.0" touch screen and features a physical multifunctional knob, which allows convenient, one-finger on/off control, fine volume control, and additional push-and-turn features. The unit has 256GB of internal storage, and supports microSD cards up to 256GB, for a total of 512GB of potential storage. Thanks to its streaming capabilities, you are not limited to playback of songs you have on your device, as it can stream tracks from your Mac or Windows computer connected to the same wireless network. The SP1000 ships with a leather case, two protective films (front/back), a USB Type-C cable, and a microSD card tray with tray pin.

32-bit / 384 kHz Bit-to-Bit Playback

  • The latest AK4497EQ dual-DAC design and the upgraded CPU in the A&ultima SP1000 allows for accurate playback of native 32-bit / 384 kHz audio with no compromise on sound quality
  • The music is played back, bit-for-bit, just as the artist and engineer intended for it to be heard
  • The A&ultima SP1000 also supports native bit-to-bit DSD playback up to 11.2 MHz for the best sound possible
  • Independent DACs for the left and right audio channels provide a wider soundstage and better stereo separation
  • Each AK4497EQ DAC provides rich and vivid audio reproduction, allowing the listener to enjoy the sound as it was meant to be heard

Octa-Core Processor

  • The A&ultima SP1000 is equipped with an octa-core CPU which allows the player to produce the exact musical detail present in the original recording without distortion and provides a quick, lag-free operation
  • The A&ultima SP1000 features faster booting times, speedy file transfers, lag-free processing and a new intuitive user interface for the ultimate player experience

Intuitive User Interface

  • The A&ultima SP1000 features a revamped interface design which provides music playback from the home screen to give users a more music-centric experience
  • By placing the power button on the multifunctional wheel located on the side of the A&ultima SP1000 instead of on the top, users can control the volume and turn the LCD screen on/off, all with one simple control
  • The A&ultima SP1000 features a bezel-less design to maximize screen size
  • The high-definition HD5 grade display delivers a vibrant and engaging viewing experience

Faster Charging and Quicker File Transfers

  • Next-generation USB Type-C support allows file transfer speeds up to 10 Gb/s and supports both data transfer and charging from the same cable
  • USB 3.0 protocol transfers data twice as fast when compared to other Astell&Kern players - charging with a fast charger (at 9V/1.67A) takes only two hours and allows up to 12 hours of continuous playback
  • Charging about 2 hours
  • Up to 12 hours playback
  • Product Highlights:

    • Dual DAC: 2 x AKM AK4497EQ
    • 32-Bit / 384 kHz & Native DSD 11.2 MHz
    • Octa-Core CPU
    • Music-Centric Functions
    • Minimalistic Menu Design
    • Multifunctional Wheel
    • High Definition HD5 Display: 5"
    • Fast Charging and Data Transfers
    • 2-Hour Charge &12-Hour Playback Time
    • Includes Leather Case & USB Type-C Cable
  • Tech Specs

    • Display: 5.0" / 127.0 mm WVGA (480 x 800) Touchscreen
    • Supported Audio Formats: WAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DFF, DSF
    • Sample Rate:
      PCM: 8 to 384 kHz (8/16/24/32-bits per sample)
      DSD Native: DSD64 (1-bit 2.8 MHz)(stereo), DSD128 (1-bit 5.6 MHz)(stereo), DSD256 (1-bit 11.2 MHz)(stereo)
    • Output Level: Unbalanced: 2.2 Vrms (Condition No Load)
      Balanced: 3.9 Vrms (Condition No Load)
    • CPU: Octa-core
    • DAC: 2 x AKM AK4497EQ (Dual DAC)
    • Decoding: Support up to 32-bit / 384 kHz bit-to-bit decoding
    • Input: USB 3.0 Type-C input for charging & data transfer, Windows & Mac, Connection Mode: MTP (Media Device)
    • Output: Phones: 1/8" / 3.5 mm,
      Balanced Out: 0.10" / 2.5 mm (only 4-pole supported)
    • Wi-Fi: 802.11 b/g/n (2.4 GHz)
    • Bluetooth: V4.1 (A2DP, AVRCP, aptX HD)
    • Frequency Response:
      ±0.062 dB (condition: 20 Hz to 20 kHz) unbalanced
      ±0.061 dB (condition: 20 Hz to 20 kHz) balanced
      ±0.68 dB (condition: 10 Hz to 70 kHz) unbalanced
      ±0.67 dB (condition: 10 Hz to 70 kHz) balanced
    • Signal to Noise Ratio:
      Unbalanced: 120 dB @ 1 kHz
      Balanced: 122 dB @ 1 kHz
    • Crosstalk:
      Unbalanced: 138 dB @ 1 kHz
      Balanced:143 dB @ 1 kHz
    • THD + N:
      Unbalanced: 0.0005% @ 1 kHz
      Balanced: 0.0008% @ 1 kHz
    • SMPTE: IMD SMPTE: 0.0004% 800 Hz 10 kHz (4:1) unbalanced and balanced
    • Output Impedance:
      Balanced Out (2.5 mm): 1 Ohm
      Phones (1/8" / 3.5 mm): 2 Ohms
    • Jitter: Clock Jitter: 30 ps, typical
    • Reference Clock Jitter: 200 femto seconds
    • Battery:
      Capacity: 3400 mAh 3.7 V Lithium-ion polymer (LiPo) battery
      Continuous Playback Time: Up to 12 hours
      Music: FLAC, 16-bit / 44 kHz, volume 75, LCD off)
      Charge Time: About 2 hours (standard - 9 V / 1.67 A fast charging)
    • Memory: Built-In Memory: 256 GB (NAND)
    • External: microSD, maximum 256 GB
    • Supported Operating System:
      Windows: XP, 7, 8, 10 (32-/64-bit)
      Mac: OS X 10.7 and later
    • Dimensions (WxHxD): 3.0 x 5.2 x 0.6" / 75.7 x 132.1 x 16.3 mm
    • Weight: 8.1 oz / 229.9 g
    • Package Weight: 2.115 lb
    • Box Dimensions (LxWxH): 7.7 x 5.2 x 3.3"

    What's In The Box:

    • Astell&Kern SP1000 A&ultima Series High-End Music Player
    • Leather Case
    • 2 x Protective Films (Front / Back)
    • USB Type-C Cable
    • microSD Card Tray
    • Pin for microSD Card Tray
    • Limited 1-Year Warranty

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