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Astell&Kern

KANN ALPHA

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Product Description

While the goal of the Astell&Kern KANN line is to provide ultra high power output to drive any headphone or IEM, KANN ALPHA has not forgotten the essence of being a portable DAP, so you can enjoy a near-perfect sound experience wherever you are.

The newly introduced feature of the 4.4mm balanced output port is exciting, however, the most important part is how it was implemented. KANN ALPHA has physically separated the 2.5mm and 4.4mm outputs using micro relays. When 2.5mm and 4.4mm structures are connected only to the mute circuit, they do not prevent noise interference that may occur because each signal is not properly blocked.

KANN ALPHA boasts noise-free output because it features an independent structure that completely blocks interference from outputs that are not being used, preventing the noise from occurring.

In order to minimize contact noise from the output, a gold PVD coating method is applied to the headphone connector instead of the typical rings used by other products. This improves both design and function.

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.

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 their high performance requirements, supply stable power to the player and suppress electrical noise. This redesigned power circuit used in KANN ALPHA also allows it to achieve 14.5 hours of continuous playback.

Product Details
  • ColorsOnyx Black
  • Materials
    Aluminum
  • Measurements
    2.68"L x 0.98"W x 4.6"H
  • OriginSouth Korea

— Warranty: Manufacturer's 1 Year Parts + Labor
— Display: 4.1" 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
— 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)
— Wifi: 802.11 b/g/n (2.4GHz)
— Bluetooth: V5.0 (A2DP, AVRCP, Qualcomm® aptX™ HD, LDAC)
— Weight: ~11.14 oz
— Firmware Upgrades Supported (OTA)
— Supported OS: Windows 7,8,10 (32/64bit), Mac OS X 10.7 and up

Audio Performance
— 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)

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

Clock Source
— Clock Jitter: 25ps(Typ)
— Reference Clock Jitter: 250 Femto Seconds(VCXO)

Battery
— 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

— 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

Output Levels
— High: Unbalanced 6Vrms / Balanced 12Vrms (Condition No Load)
— Mid: Unbalanced 4Vrms / Balanced 8Vrms (Condition No Load)
— Low: Unbalanced 2Vrms / Balanced 4Vrms (Condition No Load)

FAQ
Can this device import music (synchronize) from my iTunes library?

It doesn't directly sync with iTunes, however, you can drag and drop your music using the iTunes interface. When the player is connected to the computer it will show as an external device (like a USB thumb drive) making it easy to drag and drop your files to make a copy.

Shipping Information
FREE STANDARD SHIPPING*
*Continental US only. Surcharges apply to HI, AK and Canada
  • Shipping Availability
    Canada, United States
  • Shipping Policy
    FREE Standard Shipping
  • Handling Surcharges
    $0.00 first item / $0.00 each additional ?
    This is for items that require some kind of special care, maybe because the item is too large and/or the item is coming internationally. These charges are only used to cover our own shipping costs and we keep these as low as possible.
  • Ship In
    2-3 weeks
  • Return Policy
    Final sale, not eligible for return or cancellation

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