This is my first bass as a guitarist so my review is only personal. But hey, this is a really good first bass, the sound is really punchy, on the rock spectrum.
I read online a lot of critiques but honestly I think most of these players are used to plug and okay instruments.
First you have the treble pickup having a lower output. Yep, you just have to setup the two screws who hold the metal guard and you can adjust the height of the pickup. Make it higher and you'll have the same output on both pickups.
Fret buzz and whatnot. You just have to setup the bridge and truss rod. Basic stuff. The bridge is more or less a sexier hipshot, two screws, 4 Allen screws and that's it.
Finition is not perfect, well that's a 200 bucks instrument some little scratches are to be expected but fairly nothing terrible.
I have to note that, the bass is lighter that it seem. The neck is kind of beefy. No neck dive at all. Overall a really good instrument.