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NFB-28.38 (ES9038Pro)

Discrete  DAC+ Headphone amplifier / Preamplifier
With XLR / RCA analog inputs

DSD , DXD support from USB & I2S Input
32bit / 768K Sabre ES9038Pro
32bit / 384K Asynchronous Transfer
Amanero
Built in OCC

     


      
Summarize Use Manual Specs Custom Option Shipping Cost


1,
 Upgrade TCXO for ES9028Pro (NFB-28.28 only) Pro for slight improve on the sound transparency  .
    
Cost is USD20,  without shipping delay .


2,
Custom order two pair RCA outputs replace ACSS outputs:
       USD5 without shipping delay   .


3, Custom order HDMI replace RJ45 I2S input.
    
Price is USD20, without shipping delay.
4, Upgrade USB isolator price is USD32.
   
USB isolator can avoid the computer electric interrupt feed in the DAC cause the sound quality worse .  In AB compare , it can improve on sound transparency slightly .
After USB isolator upgrade, the USB spend the USB power supply, and can not support phones because the power limit of the phones .
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Click to review : RJ45 and HDMI pin definitions
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