Filter Filters 88.2dB Remove All Filters Price $50-$100 (3) $100-$500 (1) Condition New (4) Brand Harmony Audio (4) Size 12" (4) Voice Coils Single (3) Single 2 Ohm (1) Harmony Audio HA-R124 Car Stereo Rhythm Series 12" Sub 600W Single 4 Ohm... $67.95 (2) Harmony Audio HA-R122 Rhythm Series 12" - Package Sub $71.95 Harmony Audio HA-R124 Rhythm Series 12" - Package Sub $71.95 Harmony Audio HA-RS12 Car Stereo Rhythm Loaded 12" Vented 600W Sub Box Enclosure $109.95 (1)