TS-CVR15 15" Edge Extension Technology PP Cone Woofer, Sold individually

My first purchase was the same speaker which made me nervous when tested because it already sounded blown but when put into parallel with this one both subwoofers do a great job.They operate in the range I designed the box for and are significantly louder than the last speakers I had.I am an amateur with subwoofers so my box is shabby and my video is before properly powering or tuning but I am very satisfied with my purchases.