Well the SSD's are going to be leaving me soon, i've had enough of them and will never buy another product from FI again. The customer service was nice after i threatened to contact the BBB. Then they supposedly fixed them and still charged me and one sub has the exact same problem but the other works great. You really dont notice until you reach high volumes then it begins to clip and theres a slight whistling sound. I even changed amps and rewired everything to make sure it was done right and ran them under recomended RMS but what can you do. I REALLY want to get my hands on a pair of MAGS or BM's cause ive always wanted mags plus theyre really the only sub i know that can handle my amp thats under 7. Either that or someone on CA has a pair of RE SE's for 350 bnib and theres a pair of BM's in there for around 400. I have put one of the SSD's in the classifieds but will not sell the other because i couldnt live with myself if i did such a thing. Great sub just not for me i guess. If you had an amp that runs in the neighborhood of 5 to 800 @1ohm this would be the perfect match for you.