12" Filter Sort × Filters In Stock Availability In Stock Price $50-$100 (5) $100-$500 (7) $500 and above (8) Brand Harmony Audio (19) RMS Power 200-500 (2) 500-1000 (1) Size 12" (13) Voice Coils Dual (1) Single (2) × Sort Options SKU: A-ZSKU: Z-A Price: Low to HighPrice: High to Low Least PopularMost Popular Sort by: SKU Sale Price Popularity $69.99 $99.99 Harmony Audio HA-R124 Rhythm Series 12" - Package Sub $301.00 $142.99 Harmony Audio HA-F124 Car Stereo Flatline Series 12" Sub 800W ... $99.99 $142.99 Harmony Audio HA-A122 Car Stereo Alloy Series 12" Sub 1000W Du... $69.99 $99.99 Harmony Audio HA-R124 Car Stereo Rhythm Series 12" Sub 600W Si... $299.99 $399.99 Harmony Audio HA-ML122 Monolith 12" Competition Sub 3000W Dual... $299.99 $399.99 Harmony Audio HA-ML121 Monolith 12" Competition Sub 3000W Dual... $159.99 $695.00 Harmony Audio HA-C124 Car Stereo Competition Carbon 12" Sub 22... $159.99 $695.00 Harmony Audio HA-C122 Car Stereo Competition Carbon 12" Sub 22... $589.99 $842.99 2x Harmony HA-ML121 Monolith 12" Competition SPL Sub 3000W Dua... $69.99 $245.00 Harmony Audio HA-R122 Rhythm Series 12" - Package Sub $309.99 $442.99 2x Harmony Audio HA-C122 Car Competition 12" Sub 2200W Dual 2 ... $309.99 $442.99 2x Harmony Audio HA-C124 Car Competition 12" Sub 2200W Dual 4 ... $589.99 $842.99 2x Harmony HA-ML122 Monolith 12" Competition SPL Sub 3000W Dua... $599.99 $857.99 4x Harmony Audio HA-C124 Car Competition 12" Sub 2200W Dual 4 ... $1,149.99 $1,642.99 4x Harmony HA-ML122 Monolith 12" Competition SPL Sub 3000W Dua... $599.99 $857.99 4x Harmony Audio HA-C122 Car Competition 12" Sub 2200W Dual 2 ... $1,149.99 $1,642.99 4x Harmony HA-ML121 Monolith 12" Competition SPL Sub 3000W Dua... $1,199.99 $1,714.99 8x Harmony Audio HA-C122 Car Competition 12" Sub 2200W Dual 2 ... $1,199.99 $1,714.99 8x Harmony Audio HA-C124 Car Competition 12" Sub 2200W Dual 4 ... $69.99 $90.99 Harmony Audio HA-R124 Car Stereo 12" 600W 4 Ohm SVC Subwoofer
