Astell & Kern Kann Cube

The ultimate transportable music player, with enough clean power to drive almost every headphone under the sun.

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The KANN CUBE is the second model in Astell & Kern's KANN line of digital audio players, designed for people who want maximum power and a high fidelity listening experience wherever they go. In order to deliver this, the KANN CUBE features dual ESS ES9038PRO Sabre DACs and tremendous output power (up to 12Vrms for the balanced output and 6Vrms for the unbalanced output). This allows the KANN CUBE to drive everything from sensitive IEMs to full sized headphones like the Sennheiser HD800S with plenty of headroom. Three amplifier gain modes combined with a low noise floor improve the flexibility of the KANN even when used with very sensitive equipment.

In a first for a digital audio player, the KANN CUBE also features a 5-pin Mini XLR output that bypasses the amp stage of the KANN, for use as an extremely high performance, low noise balanced line-out. This makes the Kann ideal as a transport / DAC to amps, and we have been very happy with the CUBE as a DAC for STAX setups.

The KANN CUBE also offers extrensive support for third parrt streaming apps via the Open APP service, which allows the installation of whitelisted services like Tidal and Spotify.

Of course, the KANN CUBE is not for everyone - the unit itself is extremely large, heavy, and we feel that it is more suitable as a "transportable" rather than "portable" unit - best moved between desks and between rooms. If you want the ultimate in power output and fidelity, the KANN CUBE is a fantastic choice, but if you prefer a smaller unit and only wish to drive portable earphones and IEMs, we would recommend the SE100.

  • Three amplifier gain modes, up to 12V of Power
  • Dual ESS ES9038PRO DACs
  • 5-pin Mini XLR Line output for low noise balanced connection to external devices
  • Quad-Core CPU
  • 5.0" 720x1280 HD Touchscreen
  • 32bit/384kHz, Native DSD256 Support
  • Open APP Support for Music Streaming
  • Model: KANN CUBE
  • Body: Color Wolf Gray
  • Body Material: Aluminum
  • Display: 5inch (720 x 1,280) Touch display
  • Supported Audio Formats: WAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DFF, DSF, MQA(Support Scheduled)
  • 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 [Phone Out] -
  • High: Unbalanced 6Vrms / Balanced 12Vrms (Condition No Load)
  • Mid: Unbalanced 4Vrms / Balanced 8Vrms (Condition No Load)
  • Low: Unbalanced 2Vrms / Balanced 4Vrms (Condition No Load)
  • Output Level [XLR Out]: 4Vrms (Condition No Load)
  • DAC: ESS ES9038PRO SABRE 8channel x2 (Dual DAC)
  • Decoding Support: up to 32bit / 384kHz Bit-to-Bit Playback
  • Input: USB Type-C input (for PC & MAC)
  • Outputs: PHONES (3.5mm) / Optical Out (3.5mm) / Balanced Out (2.5mm, only 4-pole supported) / XLR Out (Mini 5pin)
  • Wireless: Wi-Fi 802.11 b/g/n (2.4GHz) / Bluetooth V4.2 (A2DP, AVRCP, aptXTM HD)
  • Dimensions: (87.75 mm) [W] x (140 mm) [H] x (31.5 mm) [D]
  • Weight: 17.3 oz (493 g)
  • Feature Enhancements: Firmware upgrades supported (OTA)
  • Frequency Response [Phone Out] - 
  • ±0.027dB (Condition : 20Hz~20kHz) Unbalance
  • ±0.025dB (Condition : 20Hz~20kHz) Balance
  • ±0.07dB (Condition : 10Hz~70kHz) Unbalance
  • ±0.087dB (Condition : 10Hz~70kHz) Balance
  • [XLR Out]: ±0.025dB (Condition : 20Hz~20kHz) / ±0.032dB (Condition : 10Hz~70kHz)
  • Signal to Noise Ratio: [Phone Out] 117dB @ 1kHz, Unbalance / 117dB @ 1kHz, Balance
  • [XLR Out]: 128dB @ 1kHz
  • Crosstalk [Phone Out]: 129dB @ 1kHz, Unbalance / 136dB @ 1kHz, Balance
  • [XLR Out]: 146dB @ 1kHz
  • THD+N [Phone Out] 0.0004% @ 1kHz, Unbalance / 0.0005% @ 1kHz, Balance
  • [XLR Out]: 0.0004% @ 1kHz
  • IMD SMPTE: [Phone Out] 0.0005% 800Hz 10kHz(4:1) Unbalance / 0.0006% 800Hz 10kHz(4:1) Balance
  • [XLR Out]: 0.0006% 800Hz 10kHz(4:1)
  • Output Impedance: PHONES 3.5mm (1.2ohm) / Balanced out 2.5mm (1.6ohm)
  • Reference Clock Jitter: 250 Femto Seconds
  • Battery Capacity: 7,400mAh 3.8V Li-Polymer Battery
  • Continuous Playback Time: up to 9 hours (Standard - MUSIC: FLAC, 16-bit/44kHz, Unbalance, Volume 80, EQ OFF, LCD OFF, LOW GAIN)
  • Charge Time: About 4 hours (Standard - 9V/1.67A Fast charging), About 5.5 hours (Standard - 5V/2A General charging)
  • Memory:
  • Built-in Memory 128GB [NAND]
  • External Memory microSD x1
  • OS: Supported OS Windows 7,8,10 (32/64bit), MAC OS X 10.7 and up
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