The Astell&Kern A&futura SE300 Portable Music Player features trailblazing audio technology developed in-house and uncompromising craftsmanship. The fourth model in the A&futura range reproduces an entirely new, natural yet dynamic sound.
Harnessing decades of audio research and development, the A&futura SE300 expands the scope of analogue sound with entirely new audio technology. A&futura SE300 is built with an ultra-refined R-2R DAC, instead of a Delta-Sigma DAC which is most used in audio players. R-2R DAC, also known as Ladder DAC as it arranges resistors in a ladder form, offers a natural Hi-Fi sound with unrivalled dynamism.
Fully Discrete 24bit R-2R DAC
The SE300 comes supplied with an R-2R DAC, instead of a Delta-Sigma DAC mostly 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 finalized our R-2R DAC technology.
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.
Features
- Fully Discrete 24 bit R-2R DAC for an entirely new, natural yet dynamic analogue sound.
- Equipped with 96 ultra-precision 0.01% & TCR10 resistors the key to Hi-Fi sound in an Ultra-precision resistor Design.
- New Dual AMP (Class A/AB) mode for crisp, dynamic sounds with high efficiency.
- Option for OS (Over Sampling) / NOS (Non-Oversampling) modes, choose between a digital processed signal or pure original untouched sound.
- Implemented self-developed and optimized FPGA technology relaying digital signals to the R-2R DAC through Astell&Kern’s proprietary algorithm.
- The SE300 comes with a reimagined, crimson-themed, intuitive user interface featuring a new album artwork search function.
- Supports Bluetooth 5.0 and LDAC for wireless Hi-Fi sound.
Technical Specifications
- Display: 5.46inch HD 1080 x 1920 touch screen
- Supported Audio Formats: WAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DFF, DSF
- CPU: Quad-core
- DAC: Full Discrete R-2R
- Decoding: Support up to 32bit / 384kHz Bit to Bit playback
- Input: USB Type-C input (for charging & PC & MAC)
- Outputs: Unbalanced 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: 76.45mm x 139.45mm x 17.6mm
- Weight: 317g
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