IRIVER Astell&Kern KANN CUBE Dual ES9038PRO DAC Native DSD 32Bit/384kHz Music Player



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Product Details



KANN CUBE is the second model from the KANN line, which focuses on high fidelity with powerful output and low noise.
This player is designed to offer a very low noise floor, even with its massive power output.


High performance, low-noise amp makes KANN Cube an Absolute Audio Powerhouse.
Dual ES9038PRO DACs, the current flagship SABRE DAC chips from ESS designed for Pro Audio Equipment
5-pin Mini XLR output for even less noise
32bit/384kHz, Native DSD256 support


KANN CUBE offers 3 different power output options of High / Mid / Low, which can drive any headphone with unprecedented power never seen before in any portable device - 12Vrms for Balanced output and 6Vrms for Unbalanced output. To provide a natural and neutral audio experience with minimal distortion, a newly designed OP Amp and Volume IC manages power optimally and efficiently.


Key Features:

  • ESS ES9038PRO Sabre 8-Channel DAC*2
  • Quad-Core CPU
  • 5.0" 720×1280 HD Touch Display
  • 32Bit/384kHz bit-to-bit playback, Native DSD256
  • Three Audio Output Modes
  • Mini XLR 5-pin port(4V output level)
  • Femto Clock
  • Fast Charding Support
  • 128GB Internal Memory
  • Aluminum Body


General Specifications
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
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) 
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 : Unbalanced Out (3.5mm) / Optical Out (3.5mm) / Balanced Out (2.5mm, only 4-pole supported) 
/ XLR Out (Mini 5pin)

Wi-Fi : 802.11 b/g/n (2.4GHz)
BT: V4.2 (A2DP, AVRCP, aptXTM HD)

Dimensions: 3.45 ”(87.75 mm) x 5.51 ”(140 mm) x 1.24 ”(31.5 mm)
Weight: 17.3 oz (493 g)

Feature Enhancements :Firmware upgrades supported (OTA)

Audio Performance
Frequency Response:
Phone Out
±0.027dB (Condition : 20Hz~20kHz) Unbalanced / ±0.025dB (Condition : 20Hz~20kHz) Balanced 
±0.07dB (Condition : 10Hz~70kHz) Unbalanced / ±0.087dB (Condition : 10Hz~70kHz) Balanced 
±0.025dB (Condition : 20Hz~20kHz) / ±0.032dB (Condition : 10Hz~70kHz)

Signal to Noise Ratio:
Phone Out :117dB @ 1kHz, Unbalanced / 117dB @ 1kHz, Balanced 
XLR Out:128dB @ 1kHz

Phone Out: -129dB @ 1kHz, Unbalanced / -136dB @ 1kHz, Balanced 
XLR Out: -146dB @ 1kHz

Phone Out: 0.0004% @ 1kHz, Unbalanced / 0.0005% @ 1kHz, Balanced 
XLR Out: 0.0004% @ 1kHz

Phone Out: 0.0005% 800Hz 10kHz(4:1) Unbalanced / 0.0006% 800Hz 10kHz(4:1) Balanced 
XLR Out: 0.0006% 800Hz 10kHz(4:1)

Output Impedance:
Unbalanced Out 3.5mm (1.2ohm) / Balanced Out 2.5mm (1.6ohm)

Clock source
Reference Clock Jitter
250 Femto Seconds

Capacity: 7,400mAh 3.8V Li-Polymer Battery

Continuous Playback Time: 
up to 9 hours (Standard - MUSIC: FLAC, 16-bit/44.1kHz, 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)

Built-in Memory: 128GB
External Memory: microSD (Max. 512GB) x1
Supported OS :Windows 7,8,10 (32/64bit), MAC OS X 10.7 and up


Questions & Answers