Weak and muddy sound after replacing Pioneer HU with RCD330 — DSP amp the right fix?

[supernov4]

In your neck of the woods:

SMSL PO100 2024 USB Digital Interface XMOS XU316 DSD DoP64 OPT/COAX Output | eBay

Find many great new & used options and get the best deals for SMSL PO100 2024 USB Digital Interface XMOS XU316 DSD DoP64 OPT/COAX Output at the best online prices at eBay! Free shipping for many products!

www.ebay.com

I personally use same unit
I just use my phone into it and coax out