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Bloom's Take KANN Max is a clear step forward in the evolution of Astell&Kern’s KANN series, and one of the best, most versatile DAPs in its price range. The build and sound quality alone could be worth the price of admission, but its class leading versatility, with the ability to drive just about anything from sensitive IEMs to planar magnetic headphones, sets KANN Max apart. |
KANN MAX takes the identity of the series to the next level to provide a perfect experience with high power and clear sound. It provides 4 stages of gain level and ultra-high output of up to 15Vrms, which was previously only possible with a stationary headphone amplifier.
Although smaller in size, all power-related components have been analyzed and the power circuit has been redesigned several times to achieve 13 hours of continuous playback.
KANN Series Player Comparison
As the output increases, so does the noise level. KANN MAX is equipped with ultra-high output, does not allow any noise and conveys Astell&Kern's philosophy of delivering the original sound as it should be, without compromise. Together, we have completed the perfect circuit design to achieve this.
KANN MAX applies an analog volume controller to deliver a rich dynamic range without loss. By separately configuring the power supply IC for each Audio Block divided into DAC, Volume, and AMP, KANN MAX is designed to stably supply the power required for each Audio IC. Through this design, the interference ripple noise of the DC-DC power supply (the shaking noise phenomenon that occurs when power is supplied) is removed. Audio noise that can be heard amplified like audio sound in OP AMP is minimized.
KANN MAX is the first player in the KANN series to be equipped with four ES9038Q2M DACs for high-output performance.
By applying Quad DACs, one DAC can be fully allocated to one channel, so the depth and realism of the sound source can be expressed to the fullest.
Combined with Astell&Kern's amplifier circuit technology that naturally and delicately raises the strengths of the DAC, and the perfect decoding ability of the DAC to deliver the original sound as it is, music output is expressed as the original sound without distortion.
Four DACs applied to KANN MAX, a power supply IC configured for each audio block, and a perfect circuit design produce ultra-high output and low noise, providing you with the best performance and sound that the KANN series is known for.
In order to minimize contact noise from the output jacks, a gold PVD coating methods is applied to the headphone connector instead of the typical rings used by other products. This improves both design and function.
Bit-to-bit playback is available up to 32-bit/768Hz, and DSD playback is native up to 22.4MHz, for uncompressed sound quality, staying true to the artist’s original intention, in high-resolution and with minimal distortion.
AK ULTIMATE SOUND SOLUTION, TERATON ALPHA
TERATON ALPHA is AK's ultimate Sound Solution to produce audio playback that is close to the original sound through the audio output interface by use of effective power noise removal, efficient power management and amplification with minimal distortion.
The latest Bluetooth version provides high sound quality with the convenience of wireless playback to headphones and IEMs. Bluetooth 5.0 features faster transmission speed, greater range and a more stable wireless connection when compared to Bluetooth 4.2. Both LDAC and aptX HD are support to provide audiophiles with the best wireless sound possible.
The newly introduced BT Sink function connects the KANN MAX 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 KANN MAX using the BT Sink function.
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 KANN MAX.
*ReplayGain supports up to 24-bit/192kHz sound sources.
The new AK File Drop function in the KANN MAX 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.
KANN MAX features a LED volume wheel which displays various playback information, including volume level and bit-rate of the track currently playing.
*LED can be turned on or off according to user setting.
Model |
KANN MAX |
Body Color |
Anthracite Gray |
Body Material |
Aluminum |
Display |
4.1-inch, 720 x 1,280 touchscreen |
Supported Audio Formats |
WAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DIFF, DSF, MQA |
Sample Rate |
PCM: 8kHz ~ 768kHz (8/16/24/32-bits per Sample) DSD Native: DSD64 (1-bit, 2.8MHz), Stereo / DSD128 (1-bit, 5.6MHz), Stereo / DSD256 (1-bit, 11.2MHz), Stereo / DSD512 (1-bit, 22.4MHz), Stereo |
Output Level |
[Low] Unbalanced 2Vrms / Balanced 4Vrms (Condition No Load) [Mid] Unbalanced 4Vrms / Balanced 8Vrms (Condition No Load) [High] Unbalanced 6Vrms / Balanced 12Vrms (Condition No Load) [Super] Unbalanced 8Vrms / Balanced 15Vrms (Condition No Load) |
CPU |
Quad-Core |
DAC |
ESS ES9038Q2M x 4 (Quad-DAC) |
Decoding |
Support up to 32-Bit/768kHz 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 | 4.4mm, only 4-pole supported) |
Wi-Fi |
802.11 b/g/n (2.4GHz) |
Bluetooth |
V5.0 (A2DP, AVRCP, Qualcomm® aptX™ HD, LDAC) |
Dimensions |
2.68" (68.3mm) [W] x 4.6" (117mm) [H] x 0.92" (23.6mm) [D] |
Weight |
About 10.76oz (305g) |
Feature Enhancements |
Firmware upgrade supported (OTA) |
Operating Temperature |
0℃ ~ + 40℃ (32℉~ 104℉) |
Frequency Response |
±0.023dB (Condition: 20Hz~20kHz) Unbalanced │ ±0.026dB (Condition: 20Hz~20kHz) Balanced |
S/N |
114dB @ 1kHz, Unbalanced │ 115dB @ 1kHz, Balanced |
Crosstalk |
-124dB @ 1kHz, Unbalanced │ -135dB @ 1kHz, Balanced |
THD+N |
0.0003% @ 1kHz, Unbalanced │ 0.0004% @ 1kHz, Balanced |
IMD SMPTE |
0.0007% 800Hz 10kHz (4:1) Unbalanced │ 0.0007% 800Hz 10kHz (4:1) Balanced |
Output Impedance |
Unbalanced Out 3.5mm (1ohm) │ Balanced Out 2.5mm (1.6ohm), 4.4mm (1.6ohm) |
Clock Jitter |
25ps (Typ) |
Reference Clock Jitter |
70ps |
*Audio specifications will be based on Low Gain
Built-In Memory |
64GB [NAND] |
External Memory |
microSD x 1 (Max. 1TB) |
Capacity |
5,600mAh 3.8V Li-Polymer |
Charge Time |
About 3.5 hours (9V 1.67A Fast Charging) | 5.5 hours (5V 2A General Charging) |
Playback Time |
About 13 hours (Standard: FLAC, 16-bit, 44.1kHz, Unbalanced, Vol. 40, LCD Off, LED On, Low Gain) |
Supported OS |
Windows 7, 8, 10 (32/64bit); MAC OS X 10.7 |