Nice quality metal chassis. Great sounding input and output preamps.
Enough gain on mic inputs to drive sure sm57 without additional amplification. Gain control could be a bit better. First 90% of gain gives smooth slow change. On last 10% every movement gives much more pronounced changes. Also the last 10% starts to get quite noisy - escpecially so with the phantom power engaged.
Headphone output is great with higher impedence headphones. Unfortunatelly with low impedence headphones it losses its flat response.
The instrument input on the front is great for both low and high output guitars and basses (had some software glitch at first which made high output guitar clip even on lowest gain setting, after reset it handles the output with enough headroom). However using the instrument input takes over one mic input so You can only record two tracks at once, but I think that most interface in this price range behave that way.
My biggest gripe is latency. At buffer size of 32 I am getting about 7 ms round trip latency on 2020 Macbook M1 (tested with rtl utility and cable looping back output to input). It's about the same that my 12 year old Komplete Audio interface. It's not that bad for tracking guitar (depending of course on additional latency introduced by plugins used) but tracking vocals with this latency gets quite annoying.
The software mixer that comes with the interface is very nice. You can create seperate mixes and easily control the routing of inputs to ouputs. Internal loopback is a nice addition, though it would be nice to be able to assign virtual loopbacks input to different mixer inputs. Now the loopback is on inputs 11 and 12, in some applications (like zoom, teams, discord etc.) you cannot choose which input is being used - they just pass whats on input 1 and 2 by default.
All in all very nice interface. Superb audio quality for the price. If you don't plan on using high gain guitars and don't mind the round trip latency, this is the best audio interface to buy at this price point
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