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AS-1   (2021 version)
(Monitor sound style)

(Dual ES9028Pro +1 FPGA )
Ultra low distortion fully balanced DAC

Built In FPGA Processor to Reject Jitter 
Dual Sabre ES9028Pro
32bit / PCM384K /DSD512 asynchronous transfer Amanero 384 apply the FPGA synchronous clock
HDMI & USB support up to DSD512
Built with OCC and Hi-end parts



Summarize Use Manual Specs Shipping Cost

Use Manual:
HDMI definitions : (Apply HDMI transmit the IIS signal, the pin's definitions must exact same , and not promise compatible with other brands)

This product don't need the source MCLK signal but even the source has MLCK output but has not effect .

Setting button:
The setting button can setting the PCM and DSD filter parameters and the auto dark on the display .
        Push the setting button one time, the left one display will flashing few seconds ,in term  push the either Select buttons, it will change between 1 to 7, the PCM filters will working follow below list.
        Push the setting button  again , the middle display will flashing few seconds ,in term, push the either Select buttons, it will change between 4 to 7, the DSD filters will working follow below list.
        Push the setting button again, the left and middle displays will flashing few seconds  , in term push the right Select button, the display will change between "ON" and " OF" , "OF" mean the display will auto dark in around 10 seconds after stop operate the buttons. "ON" mean the display always light after power on.
        If the display had not flashing, the select buttons are for change the input channels. The selected input channel's number will show on the right one display.

Left one display for PCM filters.
Display : 1 Fast roll-off,  Linear.
Display : 2 Slow roll-off, Linear.
Display : 3 Fast roll-off, Minimum.
Display : 4 Slow roll-off, Minimum.
Display : 5 Fast roll-off, Apodizing.
Display : 6 Fast roll-off, Hybrid.
Display : 7 Brickwall filter.
Middle display for DSD filters .
Display : 4 47K
Display : 5 50K
Display : 6 60K
Display : 7 70K



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