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Astell&Kern A&futura SE300 Titan Limited Edition


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  • Limited Edition Titanium Body
  • Full Discrete R-2R DAC
  • Dual AMP (Class A/AB)
  • BT 5.0 aptX HD, LDAC
  • AK-SE300-TITAN
Astell&Kern A&futura SE300 Titan Limited Edition The SE300 Titan Limited Edition is a... more
Product information "Astell&Kern A&futura SE300 Titan Limited Edition"

Astell&Kern A&futura SE300 Titan Limited Edition

The SE300 Titan Limited Edition is a groundbreaking product by Astell&Kern. This exceptional device is crafted from Grade 5 Titanium alloy, known for its strength and corrosion resistance, widely used in aerospace and medical fields. It excels in reducing temperature variations and electrical interference in R-2R DACs and analogue amplifiers.

To achieve this, Astell&Kern employs precision manufacturing techniques, with the front cover meticulously polished and the side sections featuring wave-like patterns. The wheel and side keys are refined using a Swiss-made CNC machine, akin to premium wristwatch craftsmanship. An AF coating ensures lasting appeal and tactile satisfaction. The limited edition package includes a leather case. Experience cutting-edge analogue sound with the SE300 Titan Limited Edition.

The Future of Analog Sound, SE300

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.

The 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 unrivalled components, it offers the true sound philosophy and technology of Astell&Kern.


  • Fully Discrete 24-bit R-2R DAC
  • Equipped with 96 ultra-precision 0.01% & TCR10 resistors
  • New Dual AMP (Class A/AB) mode
  • Option for OS / NOS modes
  • Implemented self-developed and optimised FPGA technology
  • New Crimson theme UI/UX
  • Supports Bluetooth 5.0 and wireless Hi-Fi

Adoption of a 5.46-inch Full HD Display

  • Experience the SE300 more vividly and comfortably with a wide 5.46-inch, large-screen Full HD display.

Supports Native DSD256, 32bit/384kHz

  • SE300 supports DSD256 and up to 32bit/384kHz with Astell&Kern’s unrivalled audio technology, allowing you to fully enjoy your favourite music anywhere you like.

ReplayGain Automatically and Uniformly Adjusts Playback Volume

  • ReplayGain, which adjusts sound sources with different volumes to an identical level, has been incorporated. Now, enjoy your own playlists seamlessly through the ReplayGain feature on SE300.* ReplayGain supports up to 24-bit/192 kHz sound sources.

AK File Drop to enjoy wireless transfers

  • The new AK File Drop function in the SE300 makes file transfers easier and more convenient. Using AK File Drop, you can freely transfer files wirelessly through a PC, smartphone, or FTP program located on the same network. Music file management is now possible with a cableless, wireless solution.

Wireless Hi-Fi Sound Through BT Sink

  • BT Sink function connects the SE300 to an external device via Bluetooth, similar to connecting a smartphone with a BT speaker. Music from an external device, such as a smartphone can now be played back in high quality on the SE300 using the BT Sink function.

General Specifications

  • Model: SE300
  • Body Colour: Titan
  • Body Material: Titanium
  • 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 | 4.4mm, 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)

Storage Capacity

  • Built-in Memory: 256GB [NAND]
  • External Memory: microSD x1 (Max. 1TB)
Portable: Yes
Remote control: No
Voice Control: No
Connectivity: 2.5mm Plug/Wired, 3.5mm Plug/Wired, 4.4m Plug/Wired, Bluetooth, WiFi
External Storage: 1 x microSD (Max. 1TB)
Product Type: Hi Res Audio Player
Internal Storage: 256GB
Bluetooth: Yes
Colour: Titanium
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