Astell Kern SE300 Digital Audio Player DAP with 256GB Storage Support MicroSD 4.4mm 3.5mm 2.5mm Silver Version

A&futura from Astell & Kern is a product line that represents Astell & Kern’s ceaseless efforts for innovation. SE300, the fourth model in the A&futura range is a premium digital audio player that inherits this identity and expands the scope of sound with an entirely new implemented technology.

A&futura SE300 is equipped with an ultra-refined R-2R DAC, Class A/AB dual amps born with our proprietary TERATON ALPHA technology, and for the first time a self-developed FPGA optimized technology. With these unrivaled components, it offers the true sound philosophy and technology of Astell&Kern.

Immerse yourself into the true analog sound that the SE300 produces with Class-A AMP and R-2R DAC technologies, for the first time in an Astell&Kern player.

General Specifications

• 2 Versions: Platinum Silver / Titanium Limited Edition
• Body Material: Aluminum and Stainless Steel
• Display: 5.46inch HD 1080 x 1920 touch screen
• 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 : DSD64(1bit 2.8MHz), Stereo / DSD128(1bit 5.6MHz), Stereo / DSD256(1bit 11.2MHz), Stereo
• Output Level: [Normal] Unbalanced 2Vrms │ Balanced 4Vrms (Condition No Load), [High] Unbalanced 3Vrms │ Balanced 6Vrms (Condition No Load)
• CPU: Quad-core
• DAC: Full Discrete R-2R
• Decoding: Support up to 32bit / 384kHz playback
• Input: USB Type-C input (for charging & PC & MAC)
• Outputs: Unbalanced Out (3.5mm), Optical Out(3.5mm), Balanced Out (2.5mm, only 4-pole supported | 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)
• Dimensions: 3.01” (76.45mm)[W] x 5.49” (139.45mm)[H] x 0.69” (17.6mm)[D]
• Weight: About 11.18oz (317g)
• Feature Enhancements: Firmware upgrade supported (OTA)
• Operating Temperature: 0℃ ~ + 40℃ (32℉~ 104℉)

Audio Performance

• Frequency Response
• ±0.038dB (Condition : 20Hz~20kHz) Unbalanced │Balanced
• ±0.45dB (Condition : 20Hz~70kHz) Unbalanced │Balanced

S/N
114dB @ 1kHz, Unbalanced │ 115dB @ 1kHz, Balanced (Normal Gain)

• 115dB @ 1kHz, Unbalanced │ 115dB @ 1kHz, Balanced (High Gain)

Crosstalk

• -135dB @ 1kHz, Unbalanced │ -144dB @ 1kHz, Balanced

THD+N

• 0.006% @ 1kHz, Unbalanced │ 0.006% @ 1kHz, Balanced

IMD SMPTE

• 0.005% 800Hz 10kHz (4:1) Unbalanced │Balanced

Output Impedance

• Unbalanced Out 3.5mm (1.3ohm) │ Balanced Out 2.5mm (1.3ohm), 4.4mm(1.3ohm)

Clock Jitter

• 25pS (Typ)

Reference Clock Jitter

• 500 Femto Seconds

Built-in Memory

• 256GB [NAND]

External Memory

• microSD x1 (Max. 1TB)

Battery Capacity

• 5,050mAh 3.8V Li-Polymer

Charge Time

• about 3.5hours (9V 1.67A Charging)

Playback Time

• about 12hours (Standard : FLAC, 16bit, 44.1kHz, Vol.50, LCD Off, Normal Gain)

Supported OS

• Windows 10,11(32/64bit) MAC OS X 10.7

Place of production

• Korea