Built In FPGA Processor to Reject Jitter 
Dual Sabre ES9038Pro
DSD , DXD 32bit / 384K Support From USB / HDMI
9000mW at 40 ohm (Pure Class A, per channels )
Built with OCC and Hi-end parts

Custom order options:

1, Custom order replace the ACSS output by RCA outputs free.

2, Custom order replace the RCA coaxial input by AES,price USD10.

3, Custom order High Gain model for the HE6 and low sensitivity headphones:
      The D-27 default had 16DB gain, customers can custom order extra +6 DB to +12DB gain, in total 22DB gain,  had better match with the headphone which is sensitivity low than 95DB.
       Price is USD20.
       If the headphone sensitivity lower than 100DB, choice extra +6DB.
       If the headphone sensitivity lower than 90DB, choice extra +12DB.