Loaded Sub Boxes Filter Sort Filters In Stock 500-1000 Remove All Filters Availability In Stock Price $50-$100 (1) $100-$500 (2) RMS Power 200-500 (3) Peak Power 500-1000 (3) 1000-2000 (1) Size 12" (2) 15" (1) Mounting Depth 7-9.99" (1) Over 10" (2) Sensitivity 87.3dB (1) 87.dB (1) 88.2dB (1) 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-RS15 Car Stereo Rhythm Loaded 15" Vented 900W Sub Box Enclosure $139.95 (1) Harmony Audio HA-RS12 Car Stereo Rhythm Loaded 12" Vented 600W Sub Box Enclosure $109.95 (1) Harmony Audio HA-FT12 Car Stereo Flatline Loaded 12 Truck 800W Sub Box Enclosure $99.95