Bose, Pioneer on top of it as well i would go with Bose they are pricy but sound better then anything outthere on the market. But if you cant afford it yeah JL is nice for back speakers and for front i would go with alpine.
JL audio or MTX audio
you can buy very good car speaker radios and an assortment of amps at Radio Shack. It depends on the type and brand of speakers you want. I recommend you stop at some other car parts store too.
Bose car speakers are actually surprisingly good, and much better than their home surround sound speakers.
You can purchase some good and cheap car speakers from Halfpriceaudio.com. You can also purchase good quality and cheap speakers from Kmart and caraudiodiscountplus.com.
JL audio are a very good line of speakers definitely recommended for any car
JL are good speakers.
150
16 or 18 gauge
There are many online shops that sell car speakers. Amazon.com is one of online shop that sells car speakers for any kind of auto cars. You can visit www.amazon.com
No, if you have a smaller compact car you will have to go with smaller speakers and vice versa. The speakers have to be able to fit in the back of your trunk so make sure you take measurements before buying.
According to various consumer feedback and ratings, Kenwood speakers are considered good care speakers. Ratings were found to range no lower than 4 stars.
Boss marine speakers are great for your car. They are reliable and cost under $100.
You should get a amplifier if you want good sound quality out of your speakers.