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Astell&Kern KANN ALPHA High-Resolution Portable Audio Player - Onyx Black
Providing you with audiophile-quality sound in a compact and portable form factor, the KANN ALPHA High-Resolution Portable Audio Player from Astell & Kern sports up to 12 Vrms power output while delivering up to 14.5 hours of continuous playback. Audio is kept clean and pure with a 2.5mm and 4.4mm output, which use micro relays to keep them physically separated. For improved quality and durability, the 4.4mm output has a gold PVD coating to minimize noise.
Features:
- Up to 12 Vrms of Audio Power
- Dual ESS ES9068AS DACs
- 2.5mm, 4.4mm & 2 x 3.5mm Outputs
- Up to 32-Bit/384 kHz Resolution Playback
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Technical Specification
General Specifications:
- Model: KANN ALPHA
- Body Color: Onyx Black
- Body Material: Aluminum
- Display: 4.1inch HD 720 x 1280 Touch Display
- 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), Stereo
- Output Level:
- High: Unbalanced 6Vrms / Balanced 12Vrms (Condition No Load)
- Mid: Unbalanced 4Vrms / Balanced 8Vrms (Condition No Load)
- Low: Unbalanced 2Vrms / Balanced 4Vrms (Condition No Load)
- DAC: ESS ES9068AS x2 (Dual DAC)
- CPU: Quad-Core
- Decoding: Support up to 32bit / 384kHz Bit-to-Bit Playback
- Input: USB Type-C input (for charging PC & MAC)
- Outputs:
- Unbalanced Out (3.5mm) / Optical Out(3.5mm)
- Balanced Out (2.5mm, only 4-pole supported 4.4m, only 5-pole supported)
- Wi-Fi: 802.11 b/g/n (2.4GHz)
- Bluetooth: V5.0 (A2DP, AVRCP, Qualcomm® aptX™ HD, LDAC)
- Dimensions: 2.68 ”(68.3 mm) [W] x 4.60 ”(117 mm) [H] x 0.98 ”(25 mm) [D]
- Weight: about 11.14 oz (about 316 g)
- Feature Enhancements: Firmware upgrades supported (OTA)
Audio Performance:
- Frequency Response:
- ±0.021dB (Condition: 20Hz~20kHz) Unbalanced / ±0.024dB (Condition: 20Hz~20kHz) Balanced
- ±0.021dB (Condition: 20Hz~70kHz) Unbalanced / ±0.155dB (Condition: 20Hz~70kHz) Balanced
- Signal to Noise Ratio: 116dB @ 1kHz, Unbalanced / 117dB @ 1kHz, Balanced
- Crosstalk: -128dB @ 1kHz, Unbalanced / -136dB @ 1kHz, Balanced
- THD+N: 0.0003% @ 1kHz, Unbalanced / 0.0005% @ 1kHz, Balanced
- IMD SMPTE: 0.0003% 800Hz 10kHz(4:1) Unbalanced / 0.0003% 800Hz 10kHz(4:1) Balanced
- Output Impedance: Unbalanced Out 3.5mm (0.8ohm) / Balanced out 2.5mm (2.0ohm), 4.4mm(1.8ohm)
Clock source:
- Clock Jitter: 25ps(Typ)
- Reference Clock Jitter: 250 Femto Seconds(VCXO)
Battery:
- Capacity: 5,600mAh 3.8V Li-Polymer Battery
- Playback Time: About 14.5 hours (Standard : FLAC, 16bit, 44.1kHz, Vol.80, LCD Off, Low Gain)
- Charge Time: About 3.5 hours (9V/1.67A Fast Charging) / 5hours (5V/2A General Charging)
Memory:
- Built-in Memory: 64GB [NAND]
- External Memory: microSD (Max. 1TB) x1
OS:
- Supported OS: Windows 7,8,10 (32/64bit), MAC OS X 10.7 and up
Warranty: 1 year
What Is In The Box
- Astell&Kern KANN ALPHA High-Resolution Portable Audio Player - Onyx Black
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Manufacture Description
The Highest Level Of Channel Separation(Crosstalk)
KANN ALPHA boasts excellent performance measurement for crosstalk. Channel crosstalk is how much signal leaking there is between the L and R channels.
The higher the crosstalk number, the better the separation between channels and the deeper and wider the sense of space that can be felt.
As evident with the newly developed audio circuit design, KANN ALPHA features a never before seen Crosstalk measurement of -141dB(High Gain), which is unmatched by any other portable audio products in its class.
Your own sound style
KANN ALPHA supports the same powerful 12Vrms output as the existing KANN CUBE, however the player has been optimized to be more compact. This is achieved through the miniaturization of numerous parts such as resistors and capacitors, by rearranging various components and through circuit optimization. This resulted in the modification of more than 60 parts during the development process.
Ultra-small tantalum capacitors, which were developed exclusively for Astell&Kern through a collaboration with Matsuo Electric in Japan to meet our high performance requirements, supply stable power to the player and suppress electrical noise.
This redesigned power circuit used in KANN ALPHA also allows us to achieve 14 ½ hours of continuous playback.