2007-2013 GMC Sierra Extended Cab Truck Harmony R124 Single 12 Sub Box Enclosure
- 2007-2013 GMC Sierra Extended Cab Truck Harmony R124 Single 12 Sub Box Enclosure
- SKU: HA-SUB-PACKAGE536
- 1 x 2007-2013 Chevy Silverado 1500 Extended Cab Truck Single 12" Subwoofer Box Sub Enclosure
- 1 x Harmony Stereo HA-R124 Car Stereo Rhythm Series 600 Watt Single 4 Ohm 12" Sub
- 2007-2013 Chevy Silverado 1500 Extended Cab Truck Single 12" Subwoofer Box Sub Enclosure
- Mounting Depth: 5-3/4"
- Air Space: 0.65 Cubic Feet
- Sealed Enclosure
- Constructed with High Quality MDF
- High Quality Spring Loaded Terminal Cup (Bare Wire 'up to 10GA')
- High Quality Black Carpet
- Fits under rear seat on Driver side only
- Model trucks with low transmission hump may require spacers to hold the box up
- Will fit full bench and 60/40 bench seat trucks
- 2007-2013 Chevy Silverado 1500 Ext Cab Truck
- 2007-2013 GMC Sierra 1500 Ext Cab Truck
- 2007-2013 Chevy Silverado 2500HD Ext Cab Truck
- 2007-2013 GMC Sierra 2500HD Ext Cab Truck
- 2007-2013 Chevy Silverado 3500HD Ext Cab Truck
- 2007-2013 GMC Sierra 3500HD Ext Cab Truck
- 12" Rhythm Series Car Subwoofer
- 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"
- Min Sealed Box Volume (Cubic Feet): 1.25
- Max Sealed Box Volume (Cubic Feet): 3.52
- Min Vented Box Volume (Cubic Feet): 1.65
- Max Vented Box Volume (Cubic Feet): 2.3
- Single 4 Ohm
- Metallic Polypropylene Injection Molded Cone
- Butyl Rubber Surround
- Tinsel Leads Woven into Spider
- 1.5" Copper Voice Coil
- Steel Basket
- Ferrite Magnet
- Kapton Former Material
- This item is New
- HiFiSoundConnection Warranty: 1-Year
This Package Includes the Following Items:
2007-2013 Chevy Silverado 1500 Extended Cab Truck Single 12" Subwoofer Box Sub Enclosure:
Features:
This box fits:
Harmony Stereo HA-R124 Car Stereo Rhythm Series 600 Watt Single 4 Ohm 12" Sub:
Specifications:
Features:

Proposition 65 Warning for California Consumers
WARNING: This product can expose you to chemicals which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Return Policy
You may return this item in its original condition within 14-Days for a refund, minus a 20% restocking fee, and minus any shipping charges we paid to get the item to you.
- 2007-2013 GMC Sierra Extended Cab Truck Harmony R124 Single 12 Sub Box Enclosure
- SKU: HA-SUB-PACKAGE536
- 1 x 2007-2013 Chevy Silverado 1500 Extended Cab Truck Single 12" Subwoofer Box Sub Enclosure
- 1 x Harmony Stereo HA-R124 Car Stereo Rhythm Series 600 Watt Single 4 Ohm 12" Sub
- 2007-2013 Chevy Silverado 1500 Extended Cab Truck Single 12" Subwoofer Box Sub Enclosure
- Mounting Depth: 5-3/4"
- Air Space: 0.65 Cubic Feet
- Sealed Enclosure
- Constructed with High Quality MDF
- High Quality Spring Loaded Terminal Cup (Bare Wire 'up to 10GA')
- High Quality Black Carpet
- Fits under rear seat on Driver side only
- Model trucks with low transmission hump may require spacers to hold the box up
- Will fit full bench and 60/40 bench seat trucks
- 2007-2013 Chevy Silverado 1500 Ext Cab Truck
- 2007-2013 GMC Sierra 1500 Ext Cab Truck
- 2007-2013 Chevy Silverado 2500HD Ext Cab Truck
- 2007-2013 GMC Sierra 2500HD Ext Cab Truck
- 2007-2013 Chevy Silverado 3500HD Ext Cab Truck
- 2007-2013 GMC Sierra 3500HD Ext Cab Truck
- 12" Rhythm Series Car Subwoofer
- 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"
- Min Sealed Box Volume (Cubic Feet): 1.25
- Max Sealed Box Volume (Cubic Feet): 3.52
- Min Vented Box Volume (Cubic Feet): 1.65
- Max Vented Box Volume (Cubic Feet): 2.3
- Single 4 Ohm
- Metallic Polypropylene Injection Molded Cone
- Butyl Rubber Surround
- Tinsel Leads Woven into Spider
- 1.5" Copper Voice Coil
- Steel Basket
- Ferrite Magnet
- Kapton Former Material
- This item is New
- HiFiSoundConnection Warranty: 1-Year
This Package Includes the Following Items:
2007-2013 Chevy Silverado 1500 Extended Cab Truck Single 12" Subwoofer Box Sub Enclosure:
Features:
This box fits:
Harmony Stereo HA-R124 Car Stereo Rhythm Series 600 Watt Single 4 Ohm 12" Sub:
Specifications:
Features:
Proposition 65 Warning for California Consumers

WARNING: This product can expose you to chemicals which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Return Policy
You may return this item in its original condition within 14-Days for a refund, minus a 20% restocking fee, and minus any shipping charges we paid to get the item to you.