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Astell&Kern A&futura SE300 Digital Audio Player


1-Year Local Warranty.


Any mention of "us," "we," "our," etc is by Astell&Kern, not AV One.


The Future of Analogue 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.

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 optimised technology. With these unrivaled components, it offers the true sound philosophy and technology of Astell&Kern.

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


  • 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

 

SE300 Titan Limited Edition

The SE300 Titan Limited Edition is a pioneer in material innovation, delivering both a premium feel and unparalleled sound from the R-2R DAC and analogue amp.

Constructed using Grade 5 Titanium alloy (a blend of aluminium and vanadium), the SE300 Titan LE is designed to increase the internal corrosive resistance and strength inherent in pure titanium. The alloy embodies exceptional strength while retaining a light weight and is the material of choice in aerospace, medical, and a wide range of other applications. Its ability to withstand heat and electrical conductivity also positions it as an optimal substance for reducing temperature variations and electrical interference within R-2R DACs and analogue amplifiers. The integration of Titanium alloy into the SE300 Titan relied exclusively on ultra-precision manufacturing methods such as the use of 6-axis control robots, highly skilled engineering hands, and a Swiss-made 5-axis vibration-free CNC machine.

Discover the SE300 Titan Limited Edition and embrace the cutting-edge analogue sound experience from A&K at your fingertips. The limited edition package for the SE300 Titan includes a leather case.

 

Fully Discrete 24bit R-2R DAC

To ensure the A&futura SE300 audio player better reproduces analogue sounds, we set out to combine the DAC and AMP sections for the first time during the initial design phase.

The SE300 comes supplied with an R-2R DAC, instead of a Delta-Sigma DAC that is most commonly used in other audio players. R-2R DAC, also known as Ladder DAC, as it arranges resistors in a ladder form, offers natural yet dynamic Hi-Fi sounds, but it is extremely technical and difficult to execute as it requires complex refined resistor units and hard to manage current controls.

However, despite these technical challenges, after several years for development and a lot of trial and error we have managed to overcome this and create a new analogue sound. In the process, we have meticulously selected each and every one of the 96 ultra-precision resistors and finalised our R-2R DAC technology.

SE300 takes us one step closer to realising analogue sound from a digital source and is the result of a long journey taken by Astell&Kern with uncompromising craftsmanship to find the ultimate sound solution.

 

Realisation of 24-bit Decoding with R-2R DAC

The R-2R DAC within the SE300 arranges 48 pairs (23xR and 25x2R) of 96 ultra-precision resistors to create analogue signals, in turn realising true Hi-Fi 24-bit decoding.


Ultra-precision resistor Design, the Key to Hi-Fi Sound

It is key to total the accurate current value with resistors that has the smallest error ranges in order to create Hi-Fi sound with an R-2R DAC. To realise this, Astell&Kern inspected each specifically selected ultra-precision resistor of 0.01% error range to complete the design of SE300.


Ultra-precision TCR10 Specifications

To create Hi-Fi sound without distortions within such an extreme precision design, we analysed and preconceived any potential impacts that may be caused by changes in temperature. The SE300 comes with special *TCR10 specifications to minimise the changes in the 0.01% resistor error range.

* TCR10: 10 ppm/℃ Low Temperature Coefficient of resistor

 

 

Supporting Class A/AB Dual AMP Mode

The SE300 comes with a Dual AMP mode. Class A amplification that creates low distortions and natural sounds and a Class AB amplification that plays dynamic sounds with high efficiency so users can pick and choose from the two amps according to their listening preferences and genre of music that they are playing.

Experience the true sounds that only Astell&Kern can deliver with the SE300 that comes with an R-2R DAC and Class A/AB Dual AMPs born from Astell&Kern’s unique proprietary designs that reduces power consumption whilst enhancing output and removing noise.


Class A AMP mode

Class A AMP is an analogue amp that offers the best linear output, amplifying signals without distortion or loss of signal and providing soft, warm, and natural sounds. The refined analogue signal created directly by the R-2R DAC, reproduces a sound closest to the original analogue audio through the organic and powerful Class A AMP.


Class AB AMP Mode

Class AB AMP is an analogue amp that offers a powerful output with the added benefit of high efficiency.

This presents dynamic and crisp sounds with less harmonic distortion.

 

Leather Case included only with Titan LE | SE300 cases available separately.

 

More information is available on Astell&Kern’s official site.

 

General Specifications

  • Model: SE300
  • Body Colour: Platinum Silver
  • Body Material: Aluminium and Stainless Steel | SE300 Titan: 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 | 4.4m, 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: SE300: About 11.18oz (317g) | SE300 Titan: About 11.46oz (325g)
  • Feature Enhancements: Firmware upgrade supported (OTA)
  • Operating Temperature: 0℃ ~ + 40℃ (32℉~ 104℉)

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