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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
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
X1MK2 1k ODBFS spectrum:
X1MK2 background noise: