Summary: If You don't Rate these 5 in every category, then you probably didn't hook them up correctly. Or didn't put them in the proper box. I run them off A Hercules Brutus 3000 watt Rms amp and they pound harder than I can handle. The proper tuned enclosure makes a huge difference also.
Pros: Solid, powerful, Alpine quality, great bang for the buck, and pretty
Summary: Love these subs! I was rocking the previous gen 1223 d's and with 2200 watts going to them, they have been falling off. When the first went, replaced with one of these guys. Now the 2nd one failed horribly, I now have two of the 12d2's Been able to turn my gain up almost a 1/4 turn and have been...
Pros: Price and power handling for the price.
Cons: Sometimes the jumpers for ohm selection don't feel secure. Put a dab of silicone on them and all is good.
Summary: I purchased this sub to replace a much more expensive sub that was taking up too much room in my trunk because of the size of the box required to hold this ferocious sub. I had doubts as to whether the Alpine could match the performance of the old sub.
Pros: Solid, well constructed, handsome and very good performing subwoofer.
Summary: My first amp was an alpine 500 watt which worked really good. I then wanted Moore so I go 1000/1 jl audio amp and its insane. One is all you need. I had a w6 jl 12" and this one has it beat and half the cost. Alpine pounds on. 10/10
Pros: Perfect hard hitting bass of any type if wired and. Paired right