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Need Your Advice on Developing a 5.1 Channel DAC

jogama

New member
Fosi is developing a 5.1 Dac pre-amp for home cinema:

https://www.audiosciencereview.com/...advice-on-developing-a-5-1-channel-dac.48502/

The picture proto 2 below shows the concept design of this product. Besides the I/O, it will also have/support:
1. remote control
2. capable of decoding Dolby True HD and DTS HD
3. 100W*3(CEN、FR、FL channel)+50W*2(RL、RR channel)
4. display screen
5. two HDMI eARC interfaces

Proto 1 :

index.php

Proto 2 :
index.php


If you have ideas to help the engineers and technicians at FOSI AUDIO have developed this home cinema pre-amplifier.
 
I think the pre-amp needs :
  • 4 HDMI inputs mini.
  • 2 or 3 RCA inputs
  • and 1 coaxial and 1 optical.
  • Sub output
  • 1 calibration microphone for acoustic correction (e.g. ARC, Audyssey) would be a big plus.
The question also is pre-amp or amp?
 
give minimum 600wt output for 5.1channel. and give additional ports for 2 speakers for Dolby Atmos. HDMI eArc, Bluetooth, no heating issues
 
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