Filter Filters 85.7dB Remove All Filters Price $100-$500 (2) Condition New (2) Brand Harmony Audio (2) Size 10" (2) Voice Coils Dual (2) Harmony Audio HA-C102 Car Stereo Competition Carbon 10" Sub 2000W Dual 2 Ohm... $149.95 (1) Harmony Audio HA-C104 Car Stereo Competition Carbon 10" Sub 2000W Dual 4 Ohm... $149.95 (1)