Keeley and Xotic.
All are based on the MXR Dyna Comp. The first other maker to 'borrow' the blueprint ...Ross ...got out the bugs. So to this day most
guitar compresses are a modernized Ross.
Modern standard improvements are a mix control to blend a bit of dry signal in with the compressed signal to add the attack of the notes back in to the sound. The Comp ratio is usually 4:1 some comps may give you more choice. Even so nearly all players will choose 4:1.
Compressors are notorious for creating an annoying near percussive pop to the attack. Better comps minimize it. Loss of some is highs is normal.
So how does this one stack up.
If anything it does this better then the popular brands. It is even better then some of the premiere brands. You would have to spend 3 to 5 times more to find one that you may prefer...even then the difference would be subjective.
All of the Comps impart a 'tone' to the sound. The Gears has a very nice rich sound. It is as full as the Wampler but as clean and crisp as the Keeley's.
The white finish and tasteful graphics gives it a look as upmarket as it's sound.
At $100.00 USD it is a no brainer? Why buy anything else?