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Astell&Kern A&futura SE100 Review

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Goh Beng Yeow
Goh Beng Yeow
Goh Beng Yeow, the Founder / Editor at Porta-Fi™, is a recipient of the IT Youth Award in Singapore. Twice nominated for EY Entrepreneur of the Year Awards, Beng Yeow has previously founded startups such as PDALive.com, Coded Pixels Consultants and was a Tech writer for TODAY, a national daily newspaper under MediaCorp. Since 2017, he has been writing, editing and producing commentaries, interviews, news and reviews on Porta-Fi™. In 2019, Beng Yeow was appointed Advisor to LHDC™, the industry's latest low latency and high-definition Bluetooth audio codec.

Product Specifications

Model: SE100
Body Color: Titan Silver
Body Material: Aluminum
Display: 5-inch (720 x 1,280) Touchscreen
Supported Audio Formats: WAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DFF, DSF
Sample rate: PCM : 8kHz ~ 384kHz (8/16/24/32bits per Sample) / DSD Native: DSD64(1bit 2.8MHz), Stereo / DSD128(1bit 5.6MHz), Stereo / DSD256(1bit 11.2MHz), Stereo
Output Level: Single-ended 2.0Vrms / Balanced 4.1Vrms (Condition No Load)
CPU: Octa-core
DAC: ESS SABRE ES9038PRO 8-channel
Decoding: Support up to 32bit / 384kHz Bit to Bit Decoding
Input: USB 3.0 Type-C input (for charging & data transfer (PC & MAC)) / Connection Mode : MTP (Media Device)
Outputs: 3.5mm (Single-ended) / 2.5mm (Balanced)
Wi-Fi: 802.11 b/g/n (2.4GHz)
Bluetooth: V4.1 (A2DP, AVRCP, aptX™ HD)
Dimensions: 2.98” (75.8 mm) [W] x 5.22” (132.7 mm) [H] x 0.6” (15.3 mm) [D]
Weight: 8.5 oz (241 g)
Feature Enhancements: Firmware upgrades supported (OTA)
Frequency Response: ±0.038dB (Condition: 20Hz~20kHz) Single-ended / ±0.028dB (Condition: 20Hz~20kHz) Balanced ±0.074dB (Condition: 10Hz~70kHz) Single-ended / ±0.030dB (Condition: 10Hz~70kHz) Balanced
Signal to Noise Ratio: 122dB @ 1kHz, Single-ended / 123dB @ 1kHz, Balance
Crosstalk: 138dB @ 1kHz, Single-ended / 144dB @ 1kHz, Balanced
THD+N: 0.0007% @ 1kHz, Single-ended / 0.0006% @ 1kHz, Balanced
IMD SMPTE: 0.0006% 800Hz 10kHz(4:1) Single-ended / 0.0005% 800Hz 10kHz(4:1) Single-ended
Output Impedance: 2.5mm Balanced (1ohm) / 3.5mm Single-ended (1.5ohm)
Clock Jitter: 800 Femto Seconds
Reference Clock Jitter: 250 Femto Seconds
Battery Capacity: 3,700mAh 3.8V Li-Polymer Battery
Continuous Playback Time: up to 11 hours (Standard – MUSIC: FLAC, 16-bit/44kHz, Volume 75, LCD Off)
Charge Time: About 2 hours (Standard – 9V/1.67A Fast charging)
Built-in Memory: 128GB [NAND]
External Memory: microSD (Max 512GB) x1
Supported OS: Windows XP, Windows 7,8,10 (32/64bit), MAC OS X 10.7 and up
Price: USD 1,699 (SGD 2,499)

Credits: The Astell&Kern A&futura SE100 unit was provided on-loan for the purpose of this review by Eng Siang International, distributor of Astell&Kern in Singapore. Thank you.

Part 1: Introduction, Design and Build
Part 2: Usability
Part 3: Sound Quality
Part 4: Product Specifications
Part 5: Review Ratings, Summary

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