Most speakers that are capable of producing good sound with high volume are expensive and are made by Sony. You should try looking at these Sony Xplod Xsr-6941 / Xsr6941 6X9 in..
The Sony Xplod Xsr-6941 / Xsr6941 6X9 in. speakers are where you get your bang for your buck. They are capable of producing high volume sounds and are durable.
Your amp is probably to small, get a bigger amplifier and it probable wont do it
Bose car speakers are the best because of the live performance and quality of them. Not only do they provide high performance, but the sound quality alone makes them well worth the money.
The best car door speakers are Infinity.
You can blow speakers out if the volume is turn over capacity.
Which car speakers are the best is a opinion. Though a specialty sound system store can help someone figure out which speakers would be the best for their vehicle and what they want.
Cerwin Vega are considered to be some of the best car speakers avalable.
JL audio are a very good line of speakers definitely recommended for any car
Bose
ones that work
Alpine car speakers are the best car speakers for those that are trying to stay in a budget. They are known to last long and are affordable.
Install a subwoofer, amp, aftermarket speakers, and a head unit. Possibly, the easiest way to get the best out of your car audio system is to upgrade the speakers.