Ok one set of TYPE Rs cant keep up.....ever thought of upgrading? Type R components are not the perfect product that will kill anything out there...there is much better. Unless for some reason you wanted to stick to all alpine, which I doubt since your running different amps.
Cancellation could also be a major factor in here....If you cant find ANYTHING that will keep up (which i doubt), then turn down your bass. Ever thought of going three way? Also, get a better amp //content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif