I dont think you have used amps. Once you hear an amp line driver is required will change your mind.. I have jad a JL Audio 500.1v2 vs a Zapco dc500.1 and a JBL Ms500 not only the accuracy but also the attack on the speed of the bass. The Zapco clearly hits you in the chest. JL amp is just like a burp. The JBL was just full of distortion that you wont notice till you compare it to something far greater in SQ. You dont know the difference in this sort of thing till you experience it...I have used several amps over the past 6 years ranging from RF, LP, McIntosh, MTX, PPI, ARC AUDIO, POLK AUDIO, JBL, ZED, LANZAR OPTI, JL AUDIO, KICKER, ECLIPSE, Etc, Etc. While some amps did have a sound that was pleasing to the ear, I noticed that amps with higher power ratings set to a decent pair of speakers whether they were separates or coaxials sounded just as good as the so called higher end amps. My point is an 100 watt x 4 channel of a good brand sounded just as clean, crisp and clear as the so called higher end brands such as Brax, McIntosh, etc. The same applied to bass as well. I swapped out several good brand of amps with higher end amps to notice very little difference in sound quality using a sealed enclosure. If this is the case, why spend so much money on the so-called higher end brands?