AUNE 24bit/192K X1 MK2 Mini USB DAC & Headphone amp & Preamp Coaxial Input US Plug

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AUNE 24bit/192K X1 MK2 Mini USB DAC & Headphone amp & Preamp Coaxial Input US Plug

X1MK2 upgrade to aune X1 DAC:
Upgrade the USB part from PCM2707 to 24BIT TE7022, the USB part of the whole machine can reach to 24BIT 24 BIT , it can play high-BIT music

Aune X1 MK2 functions:
1、24BIT USB DAC function —this function is the upgrade of Mk2 version
The machine adopts TE TE7022 to reach computer voice signal receiving part.
Through the USB interface receives computer signal directly, using I2S output via the same as TI PCM1793 produced by DAC chip for decoding, and then the Line Out or expander ear sound output.

2. 24bit/192K DAC
The machine is provided with a coaxial ( Coaxial ) digital input, using the ratio as low as 5PS WM8805 receiver chip, by coaxial line receives from the CD/DVD and 24BIT player digital signal can be passed to the machine's DAC chip PCM1793 as decoding, for general CD/DVD turntable sound marked ascending, and can through the Line Out output connection to the external amplifiers or through the expander ear output to the headset to enjoy music. This machine is a super cost-effective 24BIT/192K scheme

3. Headphone AMP
Ear expanding part adopts OP+BUF frame line and be improved, except for a sound card, DAC expander ear, but also external large equipment using Omron signal dedicated relay (Relay ) signal set change, by Line In ( RCA a ) input external analog signal (Analog ) such as CD/ DVD machine. Output, the existing DAC analog signal, and even the IPod sound output (requires adapter through the Lineout output signal ) when changing for better power, the machine will further enhance the sound expander ear

4 .Pre-AMP
This feature of Aune X1MK2 has special function, can independently charge current level in the same machine, LINE IN to line OUT volume control, and may choose to DAC output volume controllable, all controlled by single chip microcompute

Feature:
A. Special laser printing for front panel, Never Fade
B. Multiple –color LED display
C. X sharp design , can be vertical or horizontal display.
D. Modern appearance design, combined with other products of X-series
E. Hidden upgrades functions

Highlights:
A. Plug and play and support USB 24bit
B. Coaxial and optical 24BIT/192K ,24bit/192K music playback
C、Modular headphone-amp design , OP+BUF framework
D、Aluminum chassis with vertical and horizontal display
E、Part of a complete set with X2 amp and X3 loudspeaker which combines into a mini( high quality )audio  system
F、Linear power supply , sound clearer
G、Multi-point MCU and dual LED control, with upgrade interface
H、Synchronous switching three kinds of audio inputs and one analog input
I、Drive 32-300 ohm HIFI headphone
J、One standard HIFI CD output format
K、Single switch to dual line design ,power supply abundant

Specifications:
- Function ：USB  Sound Card  ，DAC，headphone –amp ，pre-amp
- Input :OPTICAL×1  coaxial×1   USB（1.0）×1  , Analog RCA ×1
- Output terminal: Analog  RCA ×1  ,  6.5MM headphone ×1
- Frequency ：10HZ---20KHZ (-1dB)
- THD :  0.01%
- Headphone output : 0.05%
- Input choose:USB/SPDIF ×1  Analog/digital ×1
- Headphone output ：P－Pmax：10V
- Headphone output  impedance ：32 ohm---600 ohm
- Line  output  ：2Vrms
- Size （chassis ）：135*51*170 (mm)

Upgrades of Compare to the Old mini USB DAC:
A. Morse sophisticated chassis , laser engraving printing for the front panel .
B. Array LED display , two color LED display . 1MM particularly porous used for LED , let the  displaymore friendly .
C. Single chip software control , coaxial and optical fiber to 24bit /192 K
D. Add the optical input interface
E. Add the pure pre-amp function , the device can be used as a  pure pre-amp
F. Touch button control design , easy operation and display , embedded upgrade reserves !
G. modular power amp design , complete separation of the motherboard , better performance and expanded functionality

Package Included:
- 1 * Aune X1 MK2 MINI USB DAC Black
- 1 * USB cable
- 1 * US Plug Power Adapter
- 1 * 6.25mm to 3.5mm Headphone plug
- 1 *user munual

Test Video:

FFT Curve:

X1MK2 1k ODBFS spectrum:

X1MK2 background noise:

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AUNE 24bit/192K X1 MK2 Mini USB DAC & Headphone amp & Preamp Coaxial Input US Plug

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