Enclosure installs on passenger side under rear bench seat down firing Power Handling: Peak: 600 watts RMS: 300 watts Sensitivity: 88.2dB Frequency Response: 27Hz-1.8kHz Mounting Depth: 5 11/16 Mounting Cutout Diameter: 11 1/8 Fits 1999-2006 GMC Sierra Ext Cab Truck Harmony R124 Single 12 Sub Box Enclosure GLOSSY AUTO PARTS 0280750570 Throttle Body Assembly Replacement for 2011-2019 Chrysler 200 3.6L, 2011-2019 Dodge Avenger Challenger Charger Durango Ram 1500, 2011-2019 Jeep Cherokee Wrangler 5184349AB in Throttle Bodies Harmony Audio HA-R124 Subwoofer Bundle with Single 12 Sub Box Enclosure Compatible with 1999-2006 GMC Sierra Ext Cab Truck. Sold by Tresound and ships from Fulfillment. Some of these items ship sooner than the others. Try again! This Package Includes the Following Items: Custom 12 99-06 Chevy Silverado Extended Cab Sub Enclosure Box 2014 - UP Chevy Silverado Crew Cab Harmony HA-R124 Single 12 Sub Box 2 Ohm New High Quality Black Carpet Max Sealed Box Volume (Cubic Feet): 3.52 Spare Tire Subwoofer 2002-2009 GMC Envoy SUV Harmony R124 Single 12" Custom Sub Box Enclosure New Truck Subwoofer 1999 - 2006 GMC Sierra Extended Cab 1500, 2500, & 3500 Harmony Audio HA-R124 Car Stereo Rhythm Series 600 Watt Single 4 Ohm 12 Sub: Specifications: 12 Rhythm Series Car Subwoofer Dimensions: Width 23-1/2 x Front Height 9-1/2 x Rear Height 7 x Depth 13-1/2 Custom 12 99-06 Chevy Silverado Extended Cab Sub Enclosure Box: Single 12 Chevy 99-06 Extended Cab Sub Box Air Space: 0.90 Cubic Feet Mounting Depth: 6 Sealed Enclosure This box fits: 1999 - 2006 Chevy Silverado Extended Cab 1500, 2500, & 3500
