Filter Filters Dual Remove All Filters Price $50-$100 (2) $100-$500 (11) Condition New (12) Refurbished (1) Brand Harmony Audio (12) Kicker (1) Size 12" (5) 10" (4) 15" (4) Sensitivity 84 dB (1) 84dB (1) 85.7dB (2) 86-90 dB (1) 87 dB (1) 87dB (1) 88.6dB (2) 88.7dB (2) 89.4 dB (1) 89.4dB (1) Receiver Size Yes 10-7-2015 (1) Harmony Audio HA-A122 Car Stereo Alloy Series 12" Sub 1000W Dual 2 Ohm Subwoofer $84.95 Harmony Audio HA-A152 Car Stereo Alloy Series 15" Sub 1500W Dual 2 Ohm... $209.99 Harmony Audio HA-A122 Car Stereo Alloy Series 12" Sub 1000W Dual 2 Ohm... $164.99 Harmony Audio HA-A152 Car Stereo Alloy Series 15" Sub 1500W Dual 2 Ohm Subwoofer $109.95 Harmony Audio HA-A102 Car Stereo Alloy Series 10" Sub 800W Dual 2 Ohm Subwoofer $79.95 Harmony Audio HA-C124 Car Stereo Competition Carbon 12" Sub 2200W Dual 4 Ohm... $169.95 (4) Harmony Audio HA-A102 Car Stereo Alloy Series 10" Sub 800W Dual 2 Ohm... $189.99 Harmony Audio HA-C154 Car Stereo Competition Carbon 15" Sub 2800W Dual 4 Ohm... $189.95 (1) Harmony Audio HA-C102 Car Stereo Competition Carbon 10" Sub 2000W Dual 2 Ohm... $149.95 (1) Harmony Audio HA-C122 Car Stereo Competition Carbon 12" Sub 2200W Dual 2 Ohm... $169.95 (3) Harmony Audio HA-C152 Car Stereo Competition Carbon 15" Sub 2800W Dual 2 Ohm... $189.95 (1) Harmony Audio HA-C104 Car Stereo Competition Carbon 10" Sub 2000W Dual 4 Ohm... $149.95 (1) Kicker Refurbished 11PECVR12 Car Stereo BassStation Powered 400W Dual 12" Sub... $379.95