I probably bought this mixer for a somewhat different purpose compared to most people. I have active speakers connected directly to my computer sound card, and my idea was to route the sound card speaker output through this little mixer so I could have a volume and sound control on my desk.
Physically the mini-mixer exceeded my expectations. It is compact and small, but sturdy and the knobs are quite nicely dampened. Its weight is also a lot above that of consumer USB sound cards.
The obtained sound quality is decent without noticeable noise and you can go to quite high volumes.