As always, PreSonus delivering quality products at affordable prices! Fender, keep it up.

I purchased the Quantum HD 2 to upgrade an older, entry-level interface. The difference is notable. It's easy to plug in and use, and the Universal Control software is up and running in no time.

The auto-gain feature works great, and I use it often. And the integration with Studio One is really useful ... things like storing and recalling the input gain on channels via the DAW is a nice touch.

I've been able to use the instrument level outputs for reamping as well. This output level is fixed, which took me a short time to figure out, as I was new to reamping.

I definitely recommend the Quantum HD interfaces, especially if you mix in Studio One or interface with other Presonus software/hardware.

I recently ventured out into home studio recording, and the sales rep, Sean DeLeon, understanding my budget recommended this interface. It not only was/is compatible with my 2019 Macbook Pro, but also comes with full 1yr access to Presonus Studio One DAW software. In addition this unit also is 32 bit float for us amateurs so getting gain set perfectly isn't so critical. The unit has proven to be flatly amazing and the full integration with Studio One and my MBP couldn't be better! I've run my Shure Nexadyne 8/s, AKG-420 mics as well as acoustic guitar pickups and Yamaha MODX8 through this HD2 with zero issues whatsoever.

On the technical side - support has been outstanding! I had (intentionally) upgraded to Sequoia on my Mac which was literally 2wks out of the gate before purchasing this gear because I wanted to be as 'future proofed' as possible. Well? As predicted, Apple's Sequoia OS threw a few curves and caused some initial installation connectivity issues (NOT THE DEVICE OR SOFTWARE FAULT). The tech spent a solid hour on the phone with me ferreting out the updated security nuances of the Sequoia OS. They got me up and running flawlessly. Cannot thank or recommend them enough!

6mo into owning/using this unit, the ONLY thing that I would have liked (in retrospect) is an additional headphone out jack. I wound up buying an additional headphone amp as a result - but I had bought the HD2 for MYSELF...only to find out my wife wanted to do a few duets. WHAT?!?! Okay. That's on me. I'm not dinging this device or review for a channge in MY needs. Purchase with confidence! Sweetwater rocks!

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Got used, paired with audient Evo sp8 preamps with ADAT, no latency issues, clear preamps with loads of gain, very intuitive with the auto gain features.

I purchased the HD2 to replace my Presonus Studio 192 Mobile, but I didn't realize that it can only record 2 channels simultaneously, thus the "2" in the name I suppose, lol. For example, if you plug your keyboard into the front 2 inputs (stereo), that disables the back 2 inputs, so you can't record your mic in the back at the same time. I'm a Presonus fan, and I'm sure this product is great, but doesn't work for me. I'll probably swap it for the ES4 model since I need more inputs, but not all of the digital audio stuff.