Amazon.com: Gladen Spl 12 30 Cm Subwoofer : Electronics
Amazon.com: Klipsch SPL-120 Powered Subwoofer 12 inches, Black : Electronics
Amazon.com: 5 CORE 12" inch Full Range Subwoofer Car Audio Dual Cone Speakers Give High Powered Sound Quality, 23 oz Heavy Bass Replacement Premium DJ Subs RMS 75W Peak 1200W, 8 Ohms
Amazon.com: Goldwood Sound, Inc. Stage Subwoofer, Poly Cone 5.25" Woofers 130 Watts each 4ohm Replacement 2 Speaker Set (GW-S525/4-2) : Musical Instruments
Orion HCCA 151SPL Subwoofer 1 Ω Ohm 15 inch DVC 5000 Watts RMS Black Coil Car Bass Sub Woofer HCCA Loudspeaker Components