Need advice on next subwoofers

Hello all, new member but have been coming to the site for many years. I have a 97 Camaro which I just recently made an integrated subwoofer box for, for 2- 12" subs. It is a divided box, ported, with approximately 2.0 - 2.2 cubic feet per sub. I currently have a Pioneer AVH-X7500BT 7" flip out touchscreen, two 12" Kicker CompVR 12's(at 4 ohms... i know), with two Alpine 500w RMS class D Mono amps(2 ohm stable), one for each sub. I have had these subs for about 7 years now, and want something better. I would need either a SVC 2 ohm or DVC 4 ohm to achieve 2 ohms. I try to look at Impedence, close RMS wattage rating, Xmax and sensitivity. I am on somewhat of a budget, trying to keep it under $200 per sub. How do you guys determine what a good sub is? I feel lost. Don't want to get anything that wont be at the same level or above what I have now. Is there something more to buying subwoofers than looking at RMS, impedence, Xmax and Sensitivity? These are the few that I have looked at and am trying to narrow down, but other suggestions are welcome and appreciated. *Alpine Type-S SWS-12D4 (500 RMS, 4 ohm DVC, 86.5dB sensitivity, 15mm Xmax) *Cerwin Vega VPRO124D (750 RMS, 4 ohm DVC, 84.6dB sensitivity, 18.2mm Xmax) *Pioneer TS-W1200PRO (450 RMS, 4 ohm DVC, 105dB sensitivity, no XMAX rating) BTW, my current CompVR 12's have a 89.6dB sensitivity, 400w RMS, and a .501" Xmax.

Sundown Audio I would highly recommend two of these Subs.Bowtie Til' I Die

I would like to check them out... but you sent a partial link, starts with "m. "

I think you should change the cabinet type, as opposed to the subwoofer. You will hear and feel more difference in sound from cabinet type, and construction, than by changing subwoofer brands.

From the three drivers you listed I would use the Alpine, if only because it would likely function best in a smaller enclosure than the other two.Support the12volt.com

Curious why you'd want to drive the subwofers below 4Ohms? Is it for more power only? Are you looking for better sound quality or are we trying to kill or maim small animals at 50 paces with bass? Also, remember that physics play a major role here, a speaker cannot "push" more air than it has to work with, in the cabinet.