Astell&Kern A&norma SR25 MKII | Digital Audio Player
* Product Discontinued. The SR25 MKII is no longer available, but you can check out its successor, the Astell&Kern A&norma SR35 here!
SR25 MKII takes SR25's great feel and form factor and upgrades the sound and performance
- Incredible material quality and craftsmanship
- Dual Cirrus Logic DACs
- Updated UI improves on previous generations of A&K players
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Bloom's Take SR25 MKII brings the relaxed, but highly detailed sound of classic Astell&Kern flagship DAPs down to a lower price point with a smaller form factor. Along with its incredible sound, SR25 MKII has the latest round of UI updates and improvements, for better app support. |
From Astell&Kern
Not all DACs sound the same.
The SR25 MKII delivers improved performance across the board compared to the SR25, including bass response, dynamic range, soundstage, imaging and more.
The SR25 MKII utilizes Astell&Kern's latest audio design technology for clear and natural high-resolution sound with more clearly defined upper and lower ranges providing listeners with a deeper, more rounded sound.
The SR25 MKII is capable of bit-to-bit playback for files up to 32bit/384kHz and Native DSD up to 11.2MHz, allowing for uncompressed sound quality, staying true to the artist’s original intention, in high-resolution and with minimal distortion.
With seamless playback performance supporting Native DSD256 up to 32bit/384kHz, you will derive even more pleasure from your music.Multiple Output Options
The SR25 MKII supports 4.4mm balanced output. With 2.5mm, 3.5mm and 4.4mm output options, you can connect an even wider variety of devices.
The 4.4mm balanced output provides improved dynamic range and bass response, supports a wide soundstage, offers clear imaging, and captures subtle details in the audio source.
Enjoy your music without worrying about adaptors.
Excellent Continuous Playback Time
No need to worry about battery life. The SR25 MKII can play continuously for 20 hours with just one full charge, thanks to its optimized, energy-efficient circuitry.
Enjoy your own personal musical performance anytime, anywhere with the SR25 MKII’s extended playback time and portability.
* Music in FLAC format, 16 bit, 44.1 kHz, unbalanced, volume at 50, EQ Off, LCD Off
* Playback time may vary depending on the user environment.
Silver Plating Shield Can
Astell&Kern products apply shield cans so that noise and electromagnetic interference, which occur when the countless parts are in operation, do not affect the audio block.
The SR25 MKII has taken it a step further by applying highly conductive, hyper-pure silver plating on the existing shield cans for perfect shielding that provides excellent audio performance.
Wireless Hi-Fi Sound Through BT Sink
The newly introduced BT Sink function connects the SR25 MKII to an external device via Bluetooth, similar to connecting a smartphone with a BT speaker.
Music from an external device, such as a smartphone can now be played back in high-quality on the SR25 MKII using the BT Sink function.
AK File Drop to Enjoy Wireless Transfers
The new AK File Drop function in the SR25 MKII makes files transfers easier and more convenient.
Using AK File Drop, you can freely transfer files wirelessly through a PC, smartphone, or FTP program located on the same network.
Music file management is now possible with a cableless, wireless solution.
ReplayGain Automatically and Uniformly Adjust Playback Volume
ReplayGain, which adjusts sound sources with different volumes to an identical level, has been applied. Now, enjoy your own playlists seamlessly through the ReplayGain feature on SR25 MKII.
Specs
- Body Color: Mercury D. Sliver
- Body Material: Aluminum
- Display: 3.6inch HD (720 x 1,280) TFT LCD
- Supported Audio Formats: WAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DFF, DSF, MQA
- 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),
- Output Level:
- Unbalanced 2Vrms
- Balanced 4Vrms
- CPU Quad-Core
- DAC: Cirrus Logic CS43198 x2 (Dual DAC)
- 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 | 4.4mm, only 5-pole supported)
- Wi-Fi: 802.11 b/g/n (2.4GHz)
- Bluetooth: V4.2 (A2DP, AVRCP, Qualcomm®aptXTM HD, LDAC)
- Dimensions: 2.5 ”(63.5 mm) [W] x 4.26 ”(108.3 mm) [H] x 0.63 ”(16.1 mm) [D]
- Weight: about 6.27 oz (about 178 g)
- Feature Enhancements: Firmware upgrades supported (OTA)
- Operating Temperature: 0℃ ~ + 40℃ (32℉~ 104℉)
Audio Performance
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 / 124dB @ 1kHz, Balanced
Crosstalk: -138dB @ 1kHz, Unbalanced / -144dB @ 1kHz, Balanced THD+N 0.0006% @ 1kHz, Unbalanced / 0.0005% @ 1kHz, Balanced IMD SMPTE 0.0004% 800Hz 10kHz(4:1) Unbalanced / 0.0003% 800Hz 10kHz(4:1) Balanced
Output Impedance: Unbalanced Out 3.5mm (1.2ohm) / Balanced out 2.5mm (1.8ohm), 4.4.mm (1.7ohm)
Battery
Capacity: 3,150mAh 3.7V Li-Polymer Battery
Continuous Playback Time: about 20hours (Standard : FLAC, 16bit, 44.1kHz, Unbalanced, Vol.50, EQ Off, LCD Off)
Charge Time: about 2.5hours (5V 2A General Charging)
Memory
Built-in Memory: 64GB [NAND]
External Memory: microSD (Max. 1TB) x1
