SE300
The SE300 is a portable digital audio player with a fully discrete 24-bit R-2R DAC and switchable Class A / Class AB amplification. It suits headphone and IEM listeners who want a high-resolution player with balanced outputs, Wi-Fi and Bluetooth.
- Fully discrete 24-bit R-2R DAC with 96 precision resistors
- Switchable Class A and Class AB amplifier modes
- Up to 6 Vrms balanced output with two-step gain
- PCM up to 32-bit/384 kHz and native DSD256
- 3.5 mm, 2.5 mm, 4.4 mm and optical outputs
- 256GB built-in storage plus microSD up to 1TB
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The SE300 is a portable player built around a discrete R-2R DAC that uses 96 precision resistors (0.01% tolerance, TCR10). Its signal chain is fed by a purpose-developed FPGA that offers oversampling and non-oversampling modes. Oversampled PCM is converted up to 8x, NOS passes PCM through unchanged, and DSD plays up to DSD256. Two amplifier modes, Class A and Class AB, can be switched according to taste. A two-step gain setting (Normal and High) delivers up to 6 Vrms from the balanced output, for sensitive IEMs or harder-to-drive headphones.
Playback covers PCM up to 32-bit/384 kHz and MQA. A 5.46-inch Full HD touch screen runs a redesigned dark interface with album art search, and an LED behind the volume wheel can show bit depth or amplifier mode. ReplayGain levels volume between tracks, and AK File Drop moves files wirelessly over the local network.
Outputs are 3.5 mm unbalanced, 2.5 mm and 4.4 mm balanced, and a 3.5 mm optical out. USB-C handles charging and PC/Mac connection. Wi-Fi and Bluetooth 5.0 with aptX HD and LDAC are built in, and a Bluetooth sink mode lets the player receive audio from a phone. A Titan version uses a titanium body and ships with a leather case.
Video
Specifikationer
- Märke
- Astell&Kern
- Modell
- SE300
- Kategori
- Hi-Fi och hemmaljud › Spelare
Audio
- DAC
- Full Discrete R-2R
- Decoding
- Support up to 32bit / 384kHz playback
- Supported audio formats
- WAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DFF, DSF
- PCM sample rate
- 8kHz ~ 384kHz (8/16/24/32bits per Sample)
- DSD sample rate
- DSD64, DSD128, DSD256 (Stereo)
- Frequency response
- ±0.038dB (20Hz~20kHz), ±0.45dB (20Hz~70kHz)
- S/N
- 114dB @ 1kHz Unbalanced, 115dB @ 1kHz Balanced (Normal Gain)
- Crosstalk
- -135dB Unbalanced, -144dB Balanced @ 1kHz
- THD+N
- 0.006% @ 1kHz, Unbalanced and Balanced
- IMD SMPTE
- 0.005% 800Hz 10kHz (4:1)
- Clock jitter
- 25pS (Typ)
Outputs
- Output level (Normal gain)
- Unbalanced 2Vrms, Balanced 4Vrms (no load)
- Output level (High gain)
- Unbalanced 3Vrms, Balanced 6Vrms (no load)
- Outputs
- Unbalanced 3.5mm, Optical 3.5mm, Balanced 2.5mm (4-pole), Balanced 4.4mm (5-pole)
- Output impedance
- 1.3ohm (3.5mm, 2.5mm and 4.4mm)
Connectivity
- Input
- USB Type-C (charging, PC and Mac)
- Wi-Fi
- 802.11 a/b/g/n/ac (2.4/5GHz)
- Bluetooth
- V5.0 (A2DP, AVRCP, aptX HD, LDAC)
Storage and Power
- Built-in memory
- 256GB [NAND]
- External memory
- microSD x1 (Max. 1TB)
- Battery
- 5,050mAh 3.8V Li-Polymer
- Charge time
- about 3.5hours (9V 1.67A)
- Playback time
- about 12hours (FLAC, 16bit, 44.1kHz, Vol.50, LCD Off, Normal Gain)
Physical
- Display
- 5.46inch HD 1080 x 1920 touch screen
- Body material
- Aluminum and Stainless Steel (Titan: Titanium)
- Body color
- Platinum Silver (Titan: Titan)
- Dimensions
- 76.45mm (W) x 139.45mm (H) x 17.6mm (D)
- Weight
- About 317g (Titan: About 325g)
- Operating temperature
- 0℃ ~ +40℃ (32℉~104℉)
Software
- CPU
- Quad-core
- Firmware update
- OTA supported
- Supported OS (PC connection)
- Windows 10, 11 (32/64bit), MAC OS X 10.7
In the box
- SE300 Titan Limited Edition
- Includes a leather case