Astell&Kern KANN ULTRA

Included in the box

• 1x Astell&Kern KANN ULTRA player
• 1x USB-C to USB-C Cable
• 3x Screen protectors
• 1x Quick start guide
• 1x Warranty Card

General Specifications

Model

KANN ULTRA

Body Colour

Astro Grey

Body Material

Aluminium

Display

5.5inch HD 1080 x 1920 touch screen

Supported Audio Formats

WAV FLAC WMA MP3 OGG APE AAC ALAC AIFF DFF DSF MQA

Sample rate

PCM : 8kHz ~ 768kHz (8/16/24/32bits per Sample) DSD Native: DSD64(1bit 2.8MHz) Stereo / DSD128(1bit 5.6MHz) Stereo DSD256(1bit 11.2MHz) Stereo / DSD512(1bit 22.4MHz) Stereo

Output Level

HEADPHONE OUT [Low Gain] Unbalanced 2Vrms │ Balanced 4Vrms (Condition No [Mid Gain]Unbalanced 4Vrms │ Balanced 8Vrms (Condition No [High Gain]Unbalanced 6Vrms │ Balanced 12Vrms (Condition No [Super Gain]Unbalanced 8Vrms │ Balanced 16Vrms (Condition No PRE · LINE OUT Unbalanced 2Vrms │ Balanced 4Vrms (Condition No Load)

CPU

Octa-core

DAC

ES9039MPRO x2

Decoding

Support up to 32bit/768kHz Bit-to-Bit Playback

Input

USB Type-C input (for charging & PC & MAC)

Outputs

HEADPHONE OUT 3.5mm(Unbalanced Out Optical Out) 4.4mm (Balanced Out only 5 5-pole supported) PRE · LINE OUT 3.5mm(Unbalanced Out) 4.4mm (Balanced Out only 5 5-pole supported)

Wi-Fi

802.11 a/b/g/n/ac (2.4&5GHz)

Bluetooth

V4.2 (A2DP AVRCP Qualcomm® aptX™-HD LDAC)

Dimensions

3.24” (82.4mm)[W] x 5.55” (141.1mm)[H] x 0.96” (24.4mm)[D]

Weight

About 13.75oz (390g)

Firmware upgrade supported

(OTA)

Operating Temperature

0℃ ~ + 40℃ (32℉~ 104℉)

Frequency Response

HEADPHONE OUT
• ±0.012dB (Condition : 20Hz~20kHz) Unbalanced │ ±0.011dB (Condition : 20Hz~20kHz) Balanced
• ±0.125dB (Condition : 20Hz~70kHz) Unbalanced │ ±0.126dB (Condition : 20Hz~70kHz) Balanced

PRE OUT
• ±0.022dB (Condition : 20Hz~20kHz) Unbalanced │ 0.023dB (Condition : 20Hz~20kHz) Balanced
• ±0.023dB (Condition : 20Hz~70kHz) Unbalanced │ 0.023dB (Condition : 20Hz~70kHz) Balanced

LINE OUT
• ±0.002dB (Condition : 20Hz~20kHz) Unbalanced │ 0.002dB (Condition : 20Hz~20kHz) Balanced
• ±0.007dB (Condition : 20Hz~70kHz) Unbalanced │ 0.006dB (Condition : 20Hz~70kHz) Balanced

S/N

HEADPHONE OUT
• 115dB @ 1kHz Unbalanced │ 119dB @ 1kHz Balanced

PRE OUT
• 110dB @ 1kHz Unbalanced │ 126dB @ 1kHz Balanced

LINE OUT
• 110dB @ 1kHz Unbalanced │ 125dB @ 1kHz Balanced

Crosstalk

HEADPHONE OUT
• 134dB @ 1kHz Unbalanced │ 140dB @ 1kHz Balanced

PRE OUT
• 128dB @ 1kHz Unbalanced │ 128dB @ 1kHz Balanced

LINE OUT
• 129dB @ 1kHz Unbalanced │ 121dB @ 1kHz Balanced

THD+N

HEADPHONE OUT
• 0.0004% @ 1kHz Unbalanced │ 0.0004% @ 1kHz Balanced

PRE OUT
• 0.0012% @ 1kHz Unbalanced │ 0.0005% @ 1kHz Balanced

LINE OUT
• 0.0013% @ 1kHz Unbalanced │ 0.0005% @ 1kHz Balanced

IMD SMPTE

HEADPHONE OUT
• 0.0006% 800Hz 10kHz (4:1) Unbalanced │0.0006% 800Hz 10kHz (4:1) Balanced

PRE OUT
• 0.0006% 800Hz 10kHz (4:1) Unbalanced │0.0006% 800Hz 10kHz (4:1) Balanced

LINE OUT
• 0.0006% 800Hz 10kHz (4:1) Unbalanced │0.0006% 800Hz 10kHz (4:1) Balanced

Output Impedance

HEADPHONE OUT
• Unbalanced Out 3.5mm (1ohm) │ Balanced Out 4.4mm (1.3ohm)

PRE OUT
• Unbalanced Out 3.5mm (3.5ohm) │ Balanced Out 4.4mm (5.7ohm)

LINE OUT
• Unbalanced Out 3.5mm (6.5ohm) │ Balanced Out 4.4mm (10.7ohm)

Clock Jitter

25pS (Typ)

Reference Clock Jitter

200 Femto Seconds

Built-in Memory

128GB [NAND]

External Memory

microSD x1 (Max. 1TB)

Capacity

3 150mAh 3.7V Li-Polymer

Charge Time

about 4.5hours (9V 1.67A) / about 6.5hours (5V 2A)

Playback Time

about 11.5 hours (Standard: FLAC 16bit 44.1kHz Vol.50 LCD Off Low Gain)

Supported OS

Windows 10 11(32/64bit) MAC OS X 10.7