Filter Filters New 88.7dB Remove All Filters Price $100-$500 (2) Brand Harmony Audio (2) Size 15" (2) Voice Coils Dual (2) Harmony Audio HA-C154 Car Stereo Competition Carbon 15" Sub 2800W Dual 4 Ohm... $189.95 (1) Harmony Audio HA-C152 Car Stereo Competition Carbon 15" Sub 2800W Dual 2 Ohm... $189.95 (1)