These are great tweeters! I was debating on which ones to buy, and I stumbled on these because of their price, rating and because they are 3ohm. My factory amp runs the factory tweeters at 3.3ohm, which is an odd number and these were close to that rating. Before I installed these, I did not know how much sound I was missing out on. They sound very crisp, clear and do not fatigue your ears listening to them for long periods of time. They are silk dome tweeters, which are why they perform well and aren't too harsh. All in all I highly recommend these to anyone looking to buy tweeters for their car.My only complaint is the design. I don't like the orange ring around the grille very much, and the mounts they provide are meh. They look a little off in my car, but that's okay since they sound really good.