I have a 91 honda accord and I'm looking for some new 4" door speakers. I was going to go with Infinity Kappas since I really enjoy my 6x9's but I think that they will be too deep for my door since I had to cut my rear door to fill my 6x9. I was told to look into the Memphis M-class 4", is this a good choice or is there something better out there. I'd like to purchase online due to lack of audio shops in the area, I'd appreciate any help I can recieve. Thx.