Astell&Kern A&Ultima SP4000 SP 4000 Digital Audio Player DAP Astell Kern A&K - Black

Note :
Garansi Resmi 1 Tahun


General Specifications

Model SP4000 (PPF51)
Body Color Black, Silver
Body Material Stainless Steel 904L
Display 6inch 2K (2160 x 1080) touch screen
Supported Audio Formats WAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DFF, DSF
Sample rate PCM : 8kHz ~ 768kHz (8/16/24/32bits per Sample)DSD Native : DSD64(1bit 2.8MHz), Stereo | DSD128(1bit 5.6MHz), StereoDSD256(1bit 11.2MHz), Stereo | DSD512(1bit 22.4MHz), Stereo
Output Level Unbalanced 4.1Vrms │ Balanced 8.2Vrms (Condition No Load)
CPU Octa-core
DAC AKM4191 x4 + AKM4499EX x4 (Real Quad DAC)
Decoding Support up to 32bit / 768kHz Bit to Bit playback
Input USB Type-C input (for charging & PC & MAC)
Outputs Unbalanced Out (3.5mm), Optical Out(3.5mm)Balanced Out (4.4m, only 5-pole supported)
Wi-Fi 802.11 a/b/g/n/ac (2.4/5GHz)
Bluetooth V5.0 (A2DP, AVRCP, Qualcomm aptX HD, LDAC, LHDC, SBC, AAC)
Dimensions 3.34” (85mm)[W] x 5.89” (149.8mm)[H] x 0.76” (19.5mm)[D]
Weight About 21.7oz (615g)
Feature Enhancements Firmware upgrade supported (OTA)




Audio Specifications

Frequency Response ±0.006dB (Condition : 20Hz~20kHz) Unbalanced │ ±0.006dB (Condition : 20Hz~20kHz) Balanced±0.06dB (Condition : 20Hz~70kHz) Unbalanced │ ±0.06dB (Condition : 20Hz~70kHz) Balanced
S/N 129dB @ 1kHz, Unbalanced │ 131dB @ 1kHz, Balanced
Crosstalk -136dB @ 1kHz, Unbalanced │ -145dB @ 1kHz, Balanced
THD+N 0.0005% @ 1kHz, Unbalanced │ 0.0003% @ 1kHz, Balanced
IMD SMPTE 0.0004% 800Hz 10kHz (4:1) Unbalanced │Balanced
Output Impedance Unbalanced Out 3.5mm (0.7ohm) │ Balanced Out 4.4mm(1.7ohm)*Audio measurements are based on the Normal mode.*Auto Mute is not used during audio testing.