Sub & Amp Packages Filter Sort Filters In Stock Availability In Stock Price $100-$500 (76) $500 and above (75) Condition New (139) Refurbished (12) Brand Alpine (7) RMS Power 200-500 (2) 500-1000 (5) Peak Power 1000-2000 (2) 2000-3000 (5) Size 10" (3) 12" (2) 8" (2) Mounting Depth 3.5-4.49" (2) 5-6.99" (5) 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-F104 Car Stereo Flatline Series 10" Sub 700W Single 4 Ohm... $132.99 Harmony Audio HA-F104 Car Stereo Flatline Series 10" 700W Single 4 Ohm... $237.99 Harmony Audio HA-F104 Car Stereo Flatline Series 10" 700W Single 4 Ohm... $292.99 Harmony Audio HA-F104 Car Stereo Flatline Series 10" 700W Single 4 Ohm... $382.99 Harmony Audio HA-A102 Car Stereo Alloy Series 10" Sub 800W Dual 2 Ohm... $289.99 Harmony Audio HA-C102 Car Stereo Competition 10" Sub 2000W Dual 2 Ohm... $429.99 Harmony Audio HA-C104 Car Stereo Competition 10" Sub 2000W Dual 4 Ohm... $429.99 Harmony Audio HA-F104 Car Stereo Flatline 10" Sub 700W Single 4 Ohm Subwoofer... $289.99 Harmony Audio HA-R104 Car Stereo Rhythm 10" Sub 500W Single 4 Ohm Subwoofer... $249.99 Harmony Audio HA-R104 Rhythm Series 10" - Package Sub with ASC... $249.99 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... $439.99 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... $539.99 Harmony Audio HA-R104 Car Stereo Rhythm 10" Sub 500W Single 4 Ohm Subwoofer... $354.99 Harmony Audio HA-R104 Car Stereo Rhythm 10" Sub 500W Single 4 Ohm Subwoofer... $409.99 Harmony Audio HA-R104 Car Stereo Rhythm 10" Sub 500W Single 4 Ohm Subwoofer... $499.99 Harmony Audio HA-R104 Rhythm Series 10" - Package Sub with Harmony Audio... $354.99 Harmony Audio HA-R104 Rhythm Series 10" - Package Sub with Kicker 46CXA4001... $409.99 Harmony Audio HA-R104 Rhythm Series 10" - Package Sub with Alpine S2-A60M... $499.99 Harmony Audio HA-A102 Stereo Alloy Series 10" Sub 800W Dual 2 Ohm Subwoofer... $439.99 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-A102 Car Stereo Alloy Series 10" Sub 800W Dual 2 Ohm... $289.99 1234567