Ok? Sorry, not meaning to sound difficult but the problem, and proposed solution, are jumping around quite a lot.
You said from the very beginning that it lacked bass. I don't think that's the case.
In post 20 you said
"The reviews I read on Scarlett Pres being notorious for driver distortion rings true with me.
It sounds like I'm running it through a dial up connection, very pixelated at times and so much latency."
Hearing yourself back, with latency, while you speak can sound all kinds of weird. Maybe you're just having a real-time monitoring issue?
This wouldn't affect the actual recording, which would make sense because your recording sounds great.
Let's take the latency;
1: Do you need to hear your voice through headphones whilst recording? If not, mute the software track while you record. No latency.
2: If you do, do you need to hear it with real time processing on there? If not, use direct monitoring. (switch on the front of the interface).
3: If you think you do need to hear yourself, and you do need to hear real-time live processing, look through Final Cut's device settings, or focusrite's control panel (if there is one)
for a setting called latency, buffer size, or audio sample size.
If it's set to something like 512, 1024, or higher, turn it down to maybe 128 or 256 and see how that goes.
FYI I, and probably most people, would go for option 2 for voice.
Option 3 if I'm recording something where a touch of reverb/delay might benefit the performance.