This Pyle Blue Wave subwoofer pushes 400 watts of booming bass! The 8” subwoofer tube has a high quality carpeted construction for that classic look. It’s equipped with a blue polypropylene cone and specially treated black rubber edge suspension for a distortion-free sound that rocks. The 2” aluminum voice coil provides the punch, while the bass reflex vent adds even more sub-bass, ultimately achieving a frequency response of 30 Hz to 700 Hz.