Astell & Kern SP1000 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 120 dB @ 1 kHz, unbalanced
122 dB @ 1 kHz, balanced
Crosstalk 138 dB @ 1 kHz, unbalanced
143 dB @ 1 kHz, balanced
THD + N 0.0005% @ 1 kHz, unbalanced
0.0008% @ 1 kHz, balanced
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 (standard -
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
Packaging Info
Package Weight 2.065 lb
Box Dimensions (LxWxH) 7.65 x 5.25 x 3.35"

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