thanks everybody(steve,nick and treo and ect...) Fi is the BEST. When it comes to their customers they really do help you out great company to work with and have them stand by you when you have their products. i tested the sub and the coils arent blown they just couldn't move because the magnet was blocking the voice coil from moving.I sent the sub in today and they are helping me out. Nick@ficaraudio.com will help you out with everything. He is a really nice dude that provides great service.