See all parts that fit your 2004 TrailBlazer EXT
15" Dual 4 ohm Thunder8500 Superwoofer (Thunder 8500 T8500 Subwoofer)
15" Thunder8500 Superwoofer Thunder 8500 Subwoofer • 1200 watts Max • 600 watts RMS • Dual 4 ohm • Carbon filled Polypropylene cone • Nitrile Butadiene Rubber Surround • Stitched Cone • flat progressive spider
Learn more about the t851544
Scosche GM1590DDB / GM1590AB Dash Kit
Install a new Double-DIN car stereo in select 1994-2012 vehicles from Chevrolet, GMC, Buick (Black)
$10.95
Connect your factory antenna to a new aftermarket radio for select 1958-2023 vehicles from GMC, Chevrolet, Pontiac
$5.99
List price $8.95
6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto, and SiriusXM Ready
$349.99
List price $420.00
Rockford Fosgate Punch P1 P1650
220W Peak (110W RMS) 6.5" Punch P1 Series 2 Way Coaxial 4-ohm Speakers
$109.99
600W Peak (100W RMS) 6.5" Zeus Series 2-way 4-ohm Coaxial Car Speakers
$32.99
List price $34.99
Infinity Primus 603F (INFSPKPR603C)
300W Peak (100W RMS) 6.5” Primus Series 2 Way Coaxial 3-ohm Speakers
$79.95
List price $109.95
480W Peak (80W RMS) 6.5" Stage2 Series 2 Way Coaxial 4-ohm Speakers
$57.95
List price $99.95
15" Thunder8500 Superwoofer Thunder 8500 Subwoofer • 1200 watts Max • 600 watts RMS • Dual 4 ohm • Carbon filled Polypropylene cone • Nitrile Butadiene Rubber Surround • Stitched Cone • flat progressive spider
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(newest, current model)
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(previous model, replaced by MTX Audio T815-44)
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600W Peak (200W RMS) 6.5” CS Series 2 Way Coaxial 4-ohm Speakers
$79.96
List price $119.99
6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto, and SiriusXM Ready
$349.99
List price $420.00
360W Peak (120W RMS) 6.5" Club Series 2-way Coaxial 3-ohm Speakers
$99.95
List price $139.95
480W Peak (120W RMS) 6.5” DS Series 2-way 4-ohm Coaxial Car Speakers (DSC6504)
$84.99
List price $94.99
600W Peak (200W RMS) 6.5" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers
$109.00
List price $119.99
6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay and Android Auto, and Built-in Alexa (Sirius XM Ready)
$469.99
List price $620.00
600W Peak (300W RMS) 6.5" Mille PRO Series 3-way 4-ohm Component Speaker System
$999.99
List price $1175.00
250W Peak (200W RMS) 6.5″ PNW Series 2 Way Component 3-ohm Speakers
$319.00
List price $339.00
600W Peak (70W RMS) 6.5" XED Series 2-Way Coaxial 4-ohm Speakers
$49.99
List price $59.99
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Manufacturer:
Model Number:
T8515-44
Weight:
56.00lbs
Internal SKU:
t851544
Internal Product ID:
14781
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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:
Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.
