Home Theater Systems Buying Guide
Product Information
Specifications
Specifications
- Body Material: Aluminum
- Display: 3.6inch WVGA (720 x 1,280) TFT LCD
- Supported Audio Formats: WAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DFF, DSF, MQA
- MQA playback: Services(Tidal Masters), Local files, External USB, MQA-CD(ripped)
- Sample rate:
- PCM: 8kHz ~ 384kHz (8/16/24/32bits per Sample)
- DSD Native: DSD64(1bit 2.8MHz), Stereo
- DSD128(1bit 5.6MHz), Stereo
- DSD256(1bit 11.2MHz), Stereo
- Output Level: Unbalanced 2.0Vrms / Balanced 4.0Vrms (Condition No Load)
- DAC: Cirrus Logic CS43198 x2 (Dual DAC)
- CPU: Quad-Core
- Decoding: Support up to 32bit / 384kHz Bit-to-Bit Playback
- Input: USB Type-C input (for PC & MAC)
- Outputs:
- Unbalanced Out (3.5mm)
- Balanced Out (2.5mm, only 4-pole supported)
- Wi-Fi: 802.11 b/g/n (2.4GHz)
- Bluetooth: V4.2 (A2DP, AVRCP, aptXTM HD, LDAC)
- Dimensions: 2.5 ”(63.5 mm) x 4.26 ”(108.3 mm) x 0.63 ”(16.1 mm)
- Weight: about 6.27 oz (about 178 g)
- Feature Enhancements: Firmware upgrades supported (OTA)
- Frequency Response:
- ±0.014dB (Condition: 20Hz~20kHz) Unbalanced
- ±0.011dB (Condition: 20Hz~20kHz) Balanced
- ±0.10dB (Condition: 20Hz~70kHz) Unbalanced
- ±0.12dB (Condition: 20Hz~70kHz) Balanced
- Signal to Noise Ratio:
- 122dB @ 1kHz, Unbalanced
- 123dB @ 1kHz, Balanced
- Crosstalk:
- -138dB @ 1kHz, Unbalanced
- -144dB @ 1kHz, Balanced
- THD+N:
- 0.0007% @ 1kHz, Unbalanced
- 0.0008% @ 1kHz, Balanced
- IMD SMPTE:
- 0.0004% 800Hz 10kHz(4:1) Unbalanced
- 0.0003% 800Hz 10kHz(4:1) Balanced
- Output Impedance:
- Unbalanced Out 3.5mm (1.8ohm)
- Balanced out 2.5mm (1.6ohm)
- Clock Jitter: 25ps(Typ)
- Reference Clock Jitter: 200 Femto Seconds
- Capacity: 3,150mAh 3.7V Li-Polymer Battery
- Continuous Playback Time: About 21 hours (Standard - MUSIC: FLAC, 16-bit/44.1kHz, Unbalance, Volume 50, EQ OFF, LCD OFF)
- Charge Time: About 2.5 hours (Standard - 5V/2A Charging)
- Built-in Memory: 64GB [NAND]
- External Memory: microSD (Max. 1TB) x1
- Supported OS: Windows 7,8,10 (32/64bit), MAC OS X 10.7 and up
What's in the Box
What's in the Box
- Portable Player
- Charging Cable
- Quick Start Guide
Reviews
Customer Reviews for Astell & Kern SR25 Portable Music Player with Quad-Core CPU and Dual DAC
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Q&A
Customer Q & A
Have a functionality, compatibility, or otherwise product-specific question about this product? Ask it here! If you have a customer service or shipping question, please direct it to our customer service department
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- Inaccurate
- Mike K Staff on Feb 14, 2022
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- Inaccurate
- Mike K Staff on Mar 16, 2021