Onyx Producer 2x2 : Impressive quality for a cheap interface

Pros

It's a perfect interface for a basic home studio set up. All necessary controls at the front. Monitor, Mix, headphone jack and gain knobs for individual channell.

The hi-z function to record instrument does enhance the quality quite a bit when you plug a regular 1/4 jack instead of XLR. The phantom power activates both channells at once, that could be a problem only if you are combining a ribbon mic with a condenser....but for a regular set up such as guitar + 1 condenser mic it is not a problem whatsoever as phantom power will not feed the guitar

The midi in and midi is very good too, no latency, no lag. It works quite well. After my usb connection on my controller broke, I opted for this option which I find to be a lot better.

Cons

When I bought the mackie offered a 'free license for pro tools first'. But if you go on avid website, pro tools first is free anyway. Maybe when the interface was launched pro tools first wasn't free.... I found that was a bit deceiving. The freebies were free anyway

If you are looking to play guitar live, the latency is quite perceivable for live performance, so that wouldn't be a good investment. But for general recording of guitars, mic and midi control you can't go wrong. Recommended