i only have 1 in a slot ported box and unless you wanna be a sh!t disturber thats all u need. hits hard and most of the time accurate. plays dubstep and rap no problem. but when it comes to the quick punches of heavy metal is where its downfall is. it just cant keep up. i notice that it just misses notes. so if yer into rap and dubstep. then this is the sub for u.

This is the best sub I ever owned. Everyone thought I had 2 15in subs but it was only this 1 L7. Loved it until it died 18 months from date of purchase.

I have 1 of these in my daily driver and it compliments my components very well.

I had 2 of these with an m-1000 and they slammed. Hit harder than 2 12" subs my friend had. Sweet but don't last long.

My buddy had 1 of these but the l5 and it blew away my 2 12" memphis so i got one of the l7 and i dont have an amp yet so i hooked it up to a buddys amp and after a few hits it sent buddys amp in to protect. Amp wasnt 1 ohm stable :( but for the few seconds i did hear it it was pounding.

Just bought 3 of these in a custom ported box, ridiculous on how loud and great they sound. I was speechless.....