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Astell&Kern SP1000M Ultima Portable Music Player

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  • $ 2,399

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The lightweight and portability of the SP1000M enables the user to enjoy original sound playback anytime and anywhere.
The A&ultima SP1000M achieves greater portability, without sacrificing the level of performance found in the original SP1000.

The “M” in SP1000M does not stand for one specific word, but rather encompasses many characteristics that the product aims to pursue.

MINI: Smaller than the SP1000
MOBILITY: More compact design for portability
MAXIMUM: Produces the highest-quality audio
MANIA: For users who are obsessed with true, original sound
MATE: Perfect anytime and anywhere
MOMENT: Free of distractions, get lost in the music



  • Body material:   Aluminum
  • Display:   4.1" (720 x 1280) touchscreen
  • Supported audio formats:   WAV, FLAC, WMA, Mp3, OGG, APE, AAC, ALAC, AIFF, DFF, DSF
  • PCM:   8kHz ~ 384kHz (8/16/24/32 bits per sample)
  • DSD Native:   DSD64 (1bit 2.8MHz), stereo/DSD128 (1bit 5.6MHz), Stereo/DSD256 (1bit 11.2MHz), stereo
  • Output level:   Unbalanced 2.1Vrms/Balance 4.2Vrms
  • CPU:   Octa-core
  • DAC:   AKM AK4497EQ x2 (dual DAC)
  • Decoding:   Support up to 32bit/384kHz bit to bit decoding
  • Input:   USB type-C (3.0) input (data transfer (PC & MAC))/Connection mode: MTP (Media Device)
  • Outputs:   PHONES (3.5mm)/Balanced out (2.5mm, only 4-pole supported)
  • Wi-Fi:   802.11 b/g/n (2.4GHz)
  • Bluetooth:   V4.1 (A2DP, AVRCP, aptX HD)
  • Dimensions (W x H x D):   2.67" x 4.6" x 0.66"
  • Weight:   7.16 ounces
  • Frequency response:  ±0.062dB (Condition: 20Hz ~ 20kHz) unbalance/±0.061dB (condition: 20Hz ~ 20kHz) balance
  • Frequency response:  ±0.068dB (Condition: 10Hz ~ 70kHz) unbalance/±0.067dB (condition: 10Hz ~ 70kHz) balance
  • Signal to noise ratio:   120dB @ 1kHz, unbalance/123dB @ 1kHz, balance
  • Crosstalk:   138dB @ 1kHz, unbalance/144dB @ 1kHz, balance
  • THD + N:   0.0007% @ 1kHz, unbalance/0.0006% @ 1kHz, balance
  • IMD SMPTE:   0.0004% 800Hz 10kHz (4:1) unbalance & balance
  • Output impedance:   Balanced out 2.5mm (1 ohm)/PHONES 3.5mm (2 ohms)
  • Clock jitter:   25ps (Typ)
  • Reference clock jitter:   200 femto seconds
  • Capacity:   3,300mAh 3.7V Li-ion battery
  • Continuous playback time:   Up to 10 hours (standard - MUSIC: FLAC, 16-bit/44kHz, volume 75, LCD off)
  • Charge time:   About 3 hours (standard - 9V/1.67A fast charging)
  • Built-in memory:   128GB
  • External memory:    MicroSD (Maximum 400GB) x1
  • Supported OS:   Windows 7, 8, 10 (32/64bit), MAC OS X 10.7 and up

WARNING: California Residents - Proposition 65. This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to



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