S9 Review - Audio Science Review

S9


This is a review and detailed measurements of the Hidizs S9 USB-C DAC and headphone amplifier. It was kindly purchased new by a member and drop shipped to me. The S9 costs US $112 on Amazon including Prime shipping. There is a 5% discount there as of this writing.

The S9 comes a in stout thumbnail sizes package:

There are no controls on it unlike S8. A multicolor LED indicates the sample rate of the music being played. It is quite bright.

The predecessor to S9, the S8 had up down volume control which I miss here.

You now have a choice of balanced and unbalanced outputs:

No USB-C cable came with it which was surprising as they almost always include such.

In use, the S9 got a bit warm indicating it is rather power hungry.

Hidizs S9 Measurements
Let's start with our usual dashboard of 1 kHz tone, testing both outputs (2.5mm balanced and 3.5mm unbalanced):

Hidizs delivers once again with desktop class performance. Distortion is well below threshold of audibility and we have 4 volts output which should produce lots of power for high impedance headphones.

To view the full original article, click here

To view the original video, click here.

Reading next

S9 Review - Head-Fi(2)
S9 Review - iXBT

Leave a comment

All comments are moderated before being published.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.