Filter Filters Price Under $50 (95) $50-$100 (298) $100-$500 (4302) $500 and above (1381) Condition Certified Refurbished (1) New (5371) Refurbished (696) Used (37) Brand Harmony Audio (2046) Kicker (1719) Alpine (591) Subwoofer Boxes (315) Memphis Audio (47) Bazooka (42) Peavey (12) Rockford Fosgate (5) Install Bay (2) Show More Metra (2) Alto Professional (1) Diamond Audio (1) Stands (1) Size 12" (465) 10" (436) 15" (221) 8" (88) 6" x 9" (10) 6.5" (10) 6" (8) 18" (8) 6.75" (3) 5" x 7",6" x 8" (1) 5.25" (1) 14" (1) Voice Coils 2 Ohm (1) Dual (245) Dual 2 Ohm (1) Single (264) Single 2 Ohm (2) Triple (1) triple (2) Amplifier Class D (35) AB (4) Class D (1) Stable to (Ohm) 1 Ohm (1) 2 (11) Make Cadillac (9) Chevy (212) Dodge (46) Ford (184) GMC (166) Honda (22) Infiniti (9) Jeep (15) Nissan (17) Show More Toyota (26) Model Sierra (149) Silverado (124) F-150 (116) Ram Truck (46) Mustang (35) Avalanche (30) CK Pickup (25) Camaro (20) Tacoma (20) Show More S2000 (18) F-250 / 350 / 450 / 550 (15) Wrangler (14) G35 Coupe (9) Explorer Sport Trac (9) Ranger (9) Escalade EXT (9) 350Z (9) S-10 Truck (8) Sonoma (8) Envoy (7) Tundra (6) Titan (5) Ridgeline (4) Frontier (3) Colorado (3) Canyon (2) Trailblazer (2) Gladiator (1) Sensitivity 81-85 dB (1) 83.1dB (2) 83.6 dB (9) 84 dB (1) 84dB (1) 85.2 dB (1) 85.7 dB (3) 85.7dB (2) 85.9 dB (5) 86 dB (1) 86-90 dB (188) 86.1dB (2) 86.7 dB (2) 86.9 dB (2) 86.9dB (2) 87 dB (1) 87.1 dB (17) 87.1dB (1) 87.2 dB (6) 87.3 dB (1) 87.3dB (1) 87.dB (1) 87dB (1) 88.2dB (4) 88.4dB (2) 88.5 dB (3) 88.6 dB (1) 88.6dB (2) 88.7dB (2) 89.4 dB (1) 89.4dB (1) 90.4dB (1) 91 dB (1) 91.2dB (1) 96-100 dB (4) 98 dB (1) Over 101 dB (9) Channels Mono (34) 1 (1) 2 (1) 4 (4) Bass Remote Included (3) No (2) Optional (6) Yes (12) Crossover Full Range (AP) (3) Low Pass (LP) (3) Low Pass (LP)/High Pass (HP) (5) Speaker Type 1-way (6) Fixture Type Dual (188) Single (180) Triple (6) Bundled Items Harmony Audio (1) Not Applicable (1) Receiver Size Yes (13) Yes 10-7-2015 (390) Speaker Type Subwoofer System (2) Active/Passive Passive (2) 2002-2013 Chevy Avalanche Underseat Alpine Type S S-W12D2 Dual 12" Rhino... $620.95 2001-2006 GMC Sierra HD Crew Truck Alpine Type S S-W12D2 Dual 12" Rhino... $620.95 Compatible with 2001-2006 Chevy Silverado HD Crew Truck Alpine SWT-10S4 Dual... $564.99 1982-2004 GMC Sonoma Extended Cab Truck Alpine Type S S-W12D2 Dual 12" Sub... $605.95 Compatible with 1982-1992 Chevy Camaro Coupe Alpine SWT-10S4 Dual 10" Sub Box... $574.99 Compatible with 2004-2015 Nissan Titan King or Crew Truck Alpine Type S... $476.99 2005-2014 Ford Mustang Coupe Harmony Audio F104 Single 10" Sub Box Enclosure New $144.99 Compatible with 2001-2014 Ford F250 F350 Super Crew Truck Alpine SWT-10S4... $569.99 2005-2015 Ford Mustang Coupe Alpine SWT-10S4 Dual 10" Custom Sub Box... $675.95 Compatible with 2007-2013 Chevy Silverado Extended Cab Truck Alpine Type S... $309.99 Compatible with 2001-2006 Chevy Silverado HD Crew Truck Harmony F104 Dual 10"... $410.99 1997-1999 Ford F-150 Super Ext Cab Truck Alpine SWT-10S4 Dual 10" Sub Box... $429.95 Compatible with 2007-2013 Chevy Silverado Extended Cab Truck Harmony A102... $324.99 2007-2013 Chevy Silverado Ext Cab Truck Alpine SWT-10S2 Single 10 Sub Box... $459.95 Compatible with 2007-2013 Chevy Silverado Crew Cab Truck Harmony R124 Dual... $336.99 Compatible with 1994-2004 Ford Mustang Coupe Harmony A122 Dual 12" Loaded Sub... $420.99 Compatible with 2006-2014 Honda Ridgeline Truck Alpine SWT-10S4 Dual 10" Sub... $665.95 1987-2006 Jeep Wrangler YJ TJ Alpine SWT-10S4 Dual 10" Custom Sub Box... $655.95 Compatible with 1983-2012 Ford Ranger Extended Cab Truck Harmony R124 Dual... $336.99 Compatible with 2014 - UP Chevy Silverado Crew Cab Alpine Type S S-W12D4... $336.99 2007-2015 Jeep Wrangler JK Unlimited Harmony F104 Dual 10" Sub Box & CXA800.1... $474.99 2010-2015 Chevy Camaro Coupe Rear Side Harmony F104 Dual 10" Sub Box Enclosure $264.99 Compatible with 2002-2013 Chevy Avalanche Underseat Alpine SWT-10S4 Dual 10"... $564.99 Compatible with 2002-2013 Chevy Avalanche Underseat Harmony A102 Dual 10" Sub... $479.99 1...250251252253254255