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Alpine SPT-21GM

2-Way Direct Fit Restyle Speaker System for Select GM Trucks and SUVs

Alpine
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• 2-Way component speaker set for the front doors/ dash
• Coaxial speakers for the rear doors
• Pair of 1" silk dome tweeters
bull; All installation hardware such as speaker adapters, hardware and connectors included

See compatible vehicles Learn more about the spt21gm

We apologize

This item has been discontinued

Description


Alpine brand icon

Authorized dealer

General Features:

  • Direct Fit Restyle Speaker System
  • Compatible with select 2007-2013 GM Trucks and 2007-2014 SUVs
  • CEA 2031 Speaker Rating:
    • 240 Watts Peak, 80 Watts RMS System
  • Utilizes all factory speaker locations
  • All installation hardware such as speaker adapters and hardware included
  • System consists of:
    • 2-Way component speaker set for the front doors/ dash
    • Coaxial speakers for the rear doors
  • Embossed Alpine logo tweeter housing
    • Provide optimized sound imaging and clarity
  • Authorized Internet Dealer
  • 1-year Sonic Electronix Warranty

Speaker Features

  • SPT-21 GM Speaker system
    • (2) 6.5" drivers for the front doors
    • (2) 6.5" coaxial rear door speakers
    • (2) 1" silk dome tweeters + tweeter housing

Vehicle Compatibility

  • Chevrolet
    • 2007 - 2013 Silverado (Crew Cab only)
  • GMC
    • 2007 - 2013 Sierra (Crew Cab only)


Note: Not compatible with Bose factory sound systems. Also some vehicles may require custom tweeter installation.

Compatible Vehicles


Please use our Fitment Guide to determine specific compatibility for the submodel and audio features

  • 2007 GMC Sierra 1500
  • 2007 GMC Sierra 2500 HD
  • 2007 GMC Sierra 3500 HD
  • 2007 GMC Sierra Denali
  • 2007 GMC Yukon XL 1500
  • 2007 GMC Yukon XL 2500
  • 2008 GMC Sierra 1500
  • 2008 GMC Sierra 2500 HD
  • 2008 GMC Sierra 3500 HD
  • 2008 GMC Sierra Denali
  • 2008 GMC Yukon XL 1500
  • 2008 GMC Yukon XL 2500
  • 2009 GMC Sierra 1500
  • 2009 GMC Sierra 2500 HD
  • 2009 GMC Sierra 3500 HD
  • 2009 GMC Sierra Denali
  • 2009 GMC Yukon XL 1500
  • 2009 GMC Yukon XL 2500
  • 2010 GMC Sierra 1500
  • 2010 GMC Sierra 2500 HD
  • 2010 GMC Sierra Denali
  • 2010 GMC Yukon XL 1500
  • 2010 GMC Yukon XL 2500
  • 2011 GMC Sierra 1500
  • 2011 GMC Sierra 2500 HD
  • 2011 GMC Sierra 3500 HD
  • 2011 GMC Yukon XL 1500
  • 2011 GMC Yukon XL 2500
  • 2012 GMC Sierra 1500
  • 2012 GMC Sierra 2500 HD
  • 2012 GMC Sierra 3500 HD
  • 2012 GMC Yukon XL 1500
  • 2012 GMC Yukon XL 2500
  • 2013 GMC Sierra 1500
  • 2013 GMC Sierra 2500 HD
  • 2013 GMC Sierra 3500 HD
  • 2013 GMC Yukon XL 1500
  • 2013 GMC Yukon XL 2500
  • 2014 GMC Yukon XL 1500

Specifications & Details


Front speaker specifications
Design
2-way Component System
Tweeter Design
Dome
Tweeter Composition
Silk
Woofer Composition
Polypropylene
Speaker Size
6-1/2"
Rear speaker specifications
Design
2-way
Woofer Composition
Mica Injected Polypropylene (MIPP)
Speaker Size (Rear)
6-1/2"
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Sonic Electronix

Item Details


Manufacturer:

Model Number:

SPT-21GM

Weight:

12.50lbs

Internal SKU:

spt21gm

Internal Product ID:

125367

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