15" Filter Sort × Filters In Stock Availability In Stock Price $50-$100 (1) $100-$500 (7) $500 and above (8) RMS Power 200-500 (1) 500-1000 (1) Size 15" (10) Voice Coils Dual (1) Single (1) × Sort Options SKU: A-ZSKU: Z-A Price: Low to HighPrice: High to Low Least PopularMost Popular Sort by: SKU Sale Price Popularity Harmony Audio HA-A152 Car Stereo Alloy Series 15" Sub 1500W Du... $119.95 $185.99 Harmony Audio HA-R154 Car Stereo Rhythm Series 15" Sub 900W Si... $84.95 $128.99 Harmony Audio HA-C152 Car Stereo Competition Carbon 15" Sub 28... $170.95 $795.00 Harmony Audio HA-C154 Car Stereo Competition Carbon 15" Sub 28... $170.95 $796.00 Harmony Audio HA-ML152 Monolith 15" Competition Sub 3200W Dual... $309.95 $499.99 Harmony Audio HA-ML151 Monolith 15" Competition Sub 3200W Dual... $309.95 $499.99 2x Harmony Audio HA-C152 Car Competition 15" Sub 2800W Dual 2 ... $332.95 $499.99 2x Harmony Audio HA-C154 Car Competition 15" Sub 2800W Dual 4 ... $332.95 $499.99 4x Harmony Audio HA-C154 Car Competition 15" Sub 2800W Dual 4 ... $664.95 $999.99 2x Harmony HA-ML152 Monolith 15" Competition SPL Sub 3200W Dua... $617.95 $928.99 4x Harmony Audio HA-C152 Car Competition 15" Sub 2800W Dual 2 ... $664.95 $999.99 4x Harmony HA-ML152 Monolith 15" Competition SPL Sub 3200W Dua... $1,196.95 $1,799.99 8x Harmony Audio HA-C154 Car Competition 15" Sub 2800W Dual 4 ... $1,282.95 $1,928.99 2x Harmony HA-ML151 Monolith 15" Competition SPL Sub 3200W Dua... $617.95 $928.99 4x Harmony HA-ML151 Monolith 15" Competition SPL Sub 3200W Dua... $1,196.95 $1,799.99 8x Harmony Audio HA-C152 Car Competition 15" Sub 2800W Dual 2 ... $1,282.95 $1,928.99