See all parts that fit your 2003 Sierra 2500 HD
6" x 8" / 5" x 7" 2-Way Reference X Series Coaxial Car Speakers
• Peak Power: 180W
• RMS Power: 60W
• 2-Way Coaxial Design
• 3 ohm Impedance
• Polypropylene Cone
• Butyl Rubber Surround
• 1" Textile Dome Tweeter
Connect your factory antenna to a new aftermarket radio for select 1958-2023 vehicles from GMC, Chevrolet, Pontiac
$8.99
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
Crux SOCGM-17C Wiring Interface
Install a new car stereo and retain safety chimes and other factory features in select 2000-2013 vehicles from Chevrolet, GMC, Pontiac
$66.15
List price $102.90
Universal 6.5" Waterproof Silicone Rubber Speaker Baffle Ring Kit (Pack of 2)
$21.99
List price $34.99
6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto (Sirius XM Ready)
$399.00
List price $600.00
Double DIN CD Receiver with Bluetooth and Built-in Alexa (Sirius XM Ready)
$179.00
List price $230.00
6.2" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth and Built-in Alexa
$194.99
List price $300.00
6.95" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, WebLink, Apple CarPlay, and Android Auto (SiriusXM Ready)
$298.00
List price $399.99
Double DIN Digital Media Receiver with Bluetooth and Built-in Alexa (SiriusXM Ready)
$159.00
List price $200.00
• Peak Power: 180W
• RMS Power: 60W
• 2-Way Coaxial Design
• 3 ohm Impedance
• Polypropylene Cone
• Butyl Rubber Surround
• 1" Textile Dome Tweeter
Want an easy upgrade for your factory speakers without going over your budget? The Infinity Reference X Series is for you. It's engineered to bring your factory audio system to life, or to add clarity and depth to an aftermarket system. With innovative, patented technologies, and the kind of premium quality and construction that you would expect from the worlds top-selling premium car speaker brand, Infinity Reference X speakers will transform your listening experience into something amazing.
Sonic Electronix, one of the leaders in car audio, recently visited Harman, the premium global audio and infotainment group, at their research and development locations in Northridge, California and Detroit, Michigan. The purpose of these visits was to utilize and combine the powerful brand of Harman and the industry leading knowledge behind Sonic Electronix to begin working together on developing future car audio projects.
Priced Per Pair
JL Audio Stealthbox® SB-GM-SLVCRW/10TW3
Custom fit subwoofer enclosure for select 2001-2006 Silverado 1500 HD / 1500 / 3500 / 2500 HD and Sierra 3500 / 2500 HD / 1500 / 1500 HD and Sierra Denali
$1,699.99
NVX BOOST Box - 1999-2006 Chevrolet Silverado, GMC Sierra - LVE-GM-SLVECG1-D12S
For select 1999-2006 vehicles from GMC, Chevrolet Extended Cab - Dual 12" 800W RMS Loaded Down Firing BOOST Sealed Truck Enclosure
$369.99
List price $455.99
NVX BOOST Box - 1999-2006 Chevrolet Silverado, GMC Sierra - LVE-GM-SLVECG1-D10S
For select 1999-2006 Silverado 2500 HD / 1500 / 2500 / 3500 and Sierra 2500 / 2500 HD / 3500 / 1500 and SIerra 2500 HD Extended Cab - Dual 10" 700W RMS Loaded Down Firing BOOST Sealed Truck Enclosure
$349.99
List price $431.99
Fits 2003-07 Chevy Silverado/GMC Sierra Dual Loaded Subwoofer Box 2) DB 1042 DVC
Dual Under-Seat Loaded Subwoofer Enclosure for select 2003-2007 Silverado 1500 HD / 2500 HD / 3500 / 1500 / 3500 HD and Sierra 2500 HD / 3500 / 1500 / 3500 HD / 1500 HD and Sierra Denali
$379.99
List price $414.97
6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto, and SiriusXM Ready
$339.99
List price $420.00
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
6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto (Sirius XM Ready)
$399.00
List price $600.00
6.75" Double DIN Touchscreen Digital Multimedia Receiver with iDataLink Maestro Support, Bluetooth, Apple CarPlay and Android Auto (SiriusXM Ready)
$349.95
List price $500.00
Sony XAV-AX3200 with License Plate Camera
6.95" Double-DIN Touchscreen Digital Multimedia Receiver with License Plate Backup Camera
$337.99
List price $499.98
Double DIN CD Receiver with Bluetooth and Built-in Alexa (Sirius XM Ready)
$179.00
List price $230.00
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Manufacturer:
Model Number:
REF-8602cfx
Weight:
5.00lbs
Internal SKU:
ref-8602cfx
Internal Product ID:
61827
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High quality at a great price
I love the midrange and directional tweeters on these. I put 4 of these in a 2010 ford f150 fx4 super crew. It was an upgrade of sound overall really hear all the highs and midrange off of factory head unit. The lows are lacking for what I'm looking for, but I don't have these amplified and have no sub.
50 found this helpful
Sounds great
These speakers are a good value, I put them in my 2006 F-150 supercrew to replace factory speakers. I was not disappointed .
27 found this helpful
Fantastic speaker
I installed a new head unit in my 08 Ranger. I have Infinity 8632 installed in the rear and had JL Audio in my doors. The Infinity rear speakers always sounded better than the JL Audio in the doors. With the new head unit and amp, I installed these Infinity REF-8620cfx speakers in the doors and what a huge difference it made. My truck now sounds like I'm standing in front of the stage, rocking!!!
Sonic is a great company to deal with. I bought everything I needed to upgrade my system, fast shipping and great prices.
11 found this helpful
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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.
