Filter Filters Single $50-$100 Remove All Filters Condition New (9) Refurbished (5) Brand Kicker (5) Harmony Audio (5) Alpine (2) Size 12" (6) 10" (4) 8" (3) 15" (1) Sensitivity 86.1dB (1) 87.1dB (1) 87.3dB (1) 88.2dB (1) 90.4dB (1) Kicker 43C104 10" Comp C10 Series Sub 150W RMS 4 Ohm SVC Car Subwoofer $64.95 Alpine W10S4 Car Audio BassLine Series Sub Single 4 Ohm 500W Peak 10" Subwoofer $89.95 Kicker CWS8 Car Audio CompC Subwoofer Single 4 Ohm 8" Sub 44CWCS84 Brand New $89.99 Harmony Audio HA-F124 Car Stereo Flatline Series 12" Sub 800W Single 4 Ohm... $99.95 Harmony Audio HA-F104 Car Stereo Flatline Series 10" Sub 700W Single 4 Ohm... $79.95 Alpine W12S4 Car Audio BassLine Series Sub Single 4 Ohm 500W Peak 12" Subwoofer $99.95 Harmony Audio HA-R124 Car Stereo Rhythm Series 12" Sub 600W Single 4 Ohm... $67.95 (2) Kicker 43C124 12" Comp C12 Series Sub 150W RMS 4 Ohm SVC Car Subwoofer $99.90 (1) Kicker CWS12 Car Audio CompC Subwoofer Single 4 Ohm 12" Sub 44CWCS124 Brand New $99.95 Kicker CWS12 Car Audio CompC Subwoofer Single 4 Ohm 12" Sub 44CWCS124 Brand $99.95 Kicker CWS8 Car Audio CompC Subwoofer Single 4 Ohm 8" Sub 44CWCS84 Brand New $72.95 Harmony Audio HA-R154 Car Stereo Rhythm Series 15" Sub 900W Single 4 Ohm... $84.95 Harmony Audio HA-R104 Car Stereo Rhythm Series 10" Sub 500W Single 4 Ohm... $59.95 Kicker CWS8 Car Audio CompC Subwoofer Single 4 Ohm 8" Sub 44CWCS84 Brand $72.95