Here are measurements:
S.M.S.L PO100 AK - Measurements / Round 2 Hi folks, This is an update over my previous measurements of the S.M.S.L PO100 family. I will focus precisely on the PO100 AK, which not only is an USB to S/PDIF converter (as are the PO100 and PO100 PRO) but also a budget DAC, that claims to perform...
www.audiosciencereview.com
This is a review and detailed measurements of the Topping D10s USB DAC and S/PDIF plus Toslink bridge. It was kindly sent to me by the company for testing. The D10s has a retail cost of US $99. Let me start by confessing that the original D10 was one of my favorites with its cute orange...
www.audiosciencereview.com
This is a review and detailed measurements of the new Topping D10 Balanced. It was sent to me by the company and costs US $139. The D10 Balanced as the name implies, comes in my favorite USB DAC package with the same cute orange display: Back panel is where the difference is: Balanced...
www.audiosciencereview.com
All three are virtually perfect WRT noise and distortion.
The only meaningful difference in sound quality could stem from the SMSL's early treble roll-off, which could make it sound a bit more "smooth" than the Toppings.
Though it's down just 1dB at 15kHz and 4dB at 20kHz, so chances are, even that difference is too small to be audible.