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Astell&Kern X M.Chat, SE100 M.Chat

Astell&Kern X M.Chat

M.Chat (also known as Monsieur Chat and Mr Chat) is the name of a graffiti cat that originally appeared in Orléans, France in 1997.

It is a kind of graffiti art. The artist was originally anonymous, but in 2007 Thoma Vuille was caught in the act of creating the cat. The graffiti appeared most frequently on chimneys, but was also sighted in other places, such as train platforms and at political rallies. This graffiti cat began in France and it spread to Europe, USA, Vietnam, Korea as graffiti art.



  • 32bit 384kHz bit to bit play

    32bit 384kHz bit to bit play

  • Native DSD

    Native DSD

  • Octa-Core CPU

    Octa-Core CPU

  • Parametric EQ

    Parametric EQ

  • 800fs VCXO Clock Jitter

    800fs VCXO Clock Jitter

  • USB Type-C Fast Charging

    USB Type-C Fast Charging

  • 720 x 1,280 Touchscreen

    720 x 1,280 Touchscreen

  • Metal Body (Aluminum)<

    Metal Body (Aluminum)


Maximum Output

It is common knowledge in the audio industry that the amplifier plays a critical role in Hi-Fi audio systems. The latest know-how and amplifier design technologies developed by Astell&Kern have brought 4.1Vrms of balanced output power with minimal noise.

As the output power increases, the noise fluctuates louder as well. However, A&futura SE100 M.Chat shows 123dB of SNR (Signal to Noise Ratio) at 4.1Vrms of audio output. At the same time, the noise level on single-ended is even smaller, it produces 122dB of SNR.

Pure sound is the result in our technical achievement allowing for powerful, yet clean sound to be delivered gracefully by the SE100 M.Chat.

SE100 M.Chat vs. AK380
SE100 M.Chat
  • LCD 5inch (720 x 1,280) Touchscreen 4inch (480 x 800) Touchscreen
  • DAC ESS SABRE ES9038PRO 8channel AKM AK4490 x2 (Dual DAC)
  • Output Lever Unbalance 2.0Vrms, Balance 4.1Vrms (Condition No Load) Unbalance 2.2Vrms, Balance 2.3Vrms (Condition No Load)
  • Signal to Noise Ratio Unbalance 122dB @ 1kHz, Balance 123dB @ 1kHz Unbalance 116dB @ 1kHz, Balance 117dB @ 1kHz
  • THD+N Unbalance 0.0007% @ 1kHz, Balance 0.0006% @ 1kHz Unbalance 0.0008% @ 1kHz, Balance 0.0007% @ 1kHz/span>

* SNR (Signal to Noise Ratio) As the signal-to-noise ratio increases, the clearer the sound becomes.
* * THD+N (THD + Noise, Distortion) over the THD + Noise signal rate, less distortion is heard.

Premium value that you can feel in your hands

A&futura SE100 M.Chat shows our dedication to provide both premium quality and value to our listeners including an eye-catching design. It features a 5-inch touchscreen, Octa-core CPU, and the best audio performance in its league. Astell&Kern is committed to delivering the original performance as the artist intended you to hear and the SE100 M.Chat is a symbolic example of this vision and effort.

A&futura SE100 M.Chat introduces an 8-channel DAC chip. 8-channel DACs have previously only been available for premium home audio systems, pro-audio workstations, and recording studio equipment. It is making a debut for the first time in an Astell&Kern portable system.

Your favorite tunes will now sound fundamentality different with even greater dynamic range and refined sound. There are many audio companies that talk about 'technologies', yet Astell&Kern is the only brand that talks about 'progress' in the audio experience.

* The ESS SABRE PRO series of Digital-to-Analog Converters (DAC) is targeted at premium audiophile and recording studio equipment. The SABRE PRO series sets a new benchmark in high-end audio by offering the industry's highest dynamic range (DNR) with impressively low levels of total harmonic distortion plus noise (THD+N) in a 32-bit, 8-channel DAC. All PRO SABRE DACs feature ESS's patented 32-bit HyperStream DAC technology which delivers outstanding sound quality and industry leading performance.

BT Connect (RX Mode/BT Sink)
BT Connect (RX Mode/BT Sink)

Femto-Second Clock for Exact Sonic Reproduction

An enhanced voltage-controlled crystal oscillator (VCXO) high-precision clock has been utilized in the A&futura SE100 M.Chat. The reference jitter of Astell&Kern's implementation has improved performance to 800fs (femto seconds), meaning that the SE100 M.Chat faithfully reproduces your music by precisely measuring and accurately timing the synchronization of all instruments, vocal and even ambience sound recorded in your digital music file together.


* Femeto Second : 1fs=1/1015(1,000 trillion) sec.
* Pico Second : 1ps=1/1012(1 trillion) sec.
* Nano Second : 1ns=1/109(1 Billion) sec.

Great Performance for the Ultimate Experience

The A&futura SE100 M.Chat is equipped with an octa-core CPU which allows the player to produce the exact musical detail present in the original recording without distortion and provides a quick, lag-free operation. The A&futura SE100 M.Chat features faster booting times, speedy file transfers, lag-free processing and a new intuitive user interface for the ultimate player experience.

  • Octa-Core


  • Hex-Core


  • Quad-Core


  • Dual-Core


  • Single-Core


Ultimate Sound Quality

The A&futura SE100 M.Chat supports native bit-to-bit DSD playback up to 11.2MHz for the best sound possible.

The music is played back, bit-for-bit, just as the artist and engineer intended for it to be heard.

Faster Charging, Quicker File Transfer

  • 2hours 2hours

    Charging about

  • 11hours 11hours

    Playing back up to

  • 10Gbps 10Gbps

    file transfer speeds up to

Next generation USB Type-C support allows file transfer speeds up to 10Gbps and supports both data transfer and charging from the same cable. USB 3.0 protocol transfers data twice as fast when compared to other Astell&Kern players. Charging with a fast charger (at 9V/1.67A) takes only two hours and allows up to 11 hours of continuous playback.

  • * The maximum 11-hour continuous play is based on 16-bit/44 kHz, FLAC file format, screen off, 75 of volume playback.
  • * Fast charger (9V/1.67A) and general Charger (5V/2A) are not included in the package.