Sub & Amp Packages Filter Sort Filters In Stock $500 and above Remove All Filters Availability In Stock Price $100-$500 (76) $500 and above (75) Condition New (64) Refurbished (11) Sort SKU: A-Z SKU: Z-A Price: Low to High Price: High to Low Least Popular Most Popular Sort by: SKU Sale Price Popularity Harmony Audio HA-ML181 Monolith 18" Competition Sub 3500W Subwoofer Bundle... $530.99 Harmony Audio (2) HA-ML121 Monolith 12" Competition Sub 3000W Subwoofer... $769.99 Harmony Audio (4) HA-A152 Car Stereo Alloy Series 15" Sub 1500W Subwoofer... $590.99 Harmony Audio (4) HA-ML151 Monolith 15" Competition Sub 3200W Subwoofer... $980.99 Harmony Audio (4) HA-ML121 Monolith 12" Competition Sub 3000W Subwoofer... $1540.99 Harmony Audio (2) HA-ML151 Monolith 15" Competition Sub 3200W Subwoofer... $830.99 Alpine SWT-10S4 Car Audio SWT Series Sub Single 4 Ohm 700W Shallow Subwoofer... $843.99 Alpine SWT-10S4 Car Audio SWT Series Sub Single 4 Ohm 700W Shallow Subwoofer... $743.99 Alpine SWT-10S4 Car Audio SWT Series Sub Single 4 Ohm 700W Shallow Subwoofer... $833.95 Harmony Audio (2) HA-C152 Car Stereo Competition Carbon 15" Sub 2800W... $530.99 Harmony Audio (2) HA-C152 Car Stereo Competition Carbon 15" Sub 2800W... $500.99 Harmony Audio HA-A102 Car Stereo Alloy Series 10" 800W Dual 2 Ohm Subwoofer... $529.99 Harmony Audio HA-A102 Stereo Alloy Series 10" Sub 800W Dual 2 Ohm Subwoofer... $529.99 Harmony Audio HA-C102 Stereo Competition 10" Sub 2000W Dual 2 Ohm Subwoofer... $829.99 Harmony Audio HA-C104 Car Stereo Competition 10" Sub 2000W Dual 4 Ohm... $829.99 Harmony Audio HA-F104 Car Stereo Flatline 10" 700W Single 4 Ohm Subwoofer... $563.99 Harmony Audio HA-F104 Car Stereo Flatline 10" 700W Single 4 Ohm Subwoofer... $529.99 Harmony Audio HA-F104 Car Stereo Flatline 10" 700W Single 4 Ohm Subwoofer... $553.99 Harmony Audio HA-F104 Car Stereo Flatline 10" Sub 700W Single 4 Ohm Subwoofer... $1058.99 Harmony Audio HA-F104 Car Stereo Flatline 10" Sub 700W Single 4 Ohm Subwoofer... $539.99 Harmony Audio HA-F104 Car Stereo Flatline 10" Sub 700W Single 4 Ohm Subwoofer... $563.99 Harmony Audio HA-F104 Car Stereo Flatline 10" Sub 700W Single 4 Ohm Subwoofer... $539.99 Harmony Audio HA-F104 Car Stereo Flatline 10" Sub 700W Single 4 Ohm Subwoofer... $529.99 Harmony Audio HA-F104 Car Stereo Flatline 10" Sub 700W Single 4 Ohm Subwoofer... $823.99 1234