See all parts that fit your 2003 Cooper
320W RMS, Stealth Series Stackable 4-Channel Amplifier
Stealth Series 4-Channel Class A/B Car Amplifier • 80W x 4 Chan. @ 2 Ohm • 50W x 4 Chan. @ 4 Ohm • Double Side PCB And SMD Components • Remote Bass Level Input • Active X-Over • 3-Way System Protection Circuitry
Learn more about the stl4320
Install a New Car Stereo and Retain Factory Antenna in select 2000-2017 vehicles from BMW, Mercedes-Benz, Ford
$11.99
List price $13.99
Install a new Single-DIN car stereo in select 2002-2008 Cooper convertible
$17.99
List price $33.99
600W Peak (200W RMS) 6.5” CS Series 2 Way Coaxial 4-ohm Speakers
$79.96
List price $119.99
Single DIN Digital Media Receiver with Bluetooth (SiriusXM Ready)
$149.95
List price $180.00
Single DIN Digital Media Receiver with Bluetooth, Built-in Alexa (Sirius XM Ready)
$199.00
List price $250.00
Single DIN CD Receiver with Bluetooth and Built-in Alexa (Sirius XM Ready)
$199.00
List price $240.00
450W Peak (150W RMS) 5.25” CS Series 2 Way Coaxial 4-ohm Speakers
$79.96
List price $119.99
160W Peak (80W RMS) 5.25" Prime Series 2 Way Component 4-ohm Speakers
$69.99
List price $79.99
440W Peak (80W RMS) 6.5" SXE-Series 2-way 4-ohm Component Speakers with Mylar-Titanium Tweeters
$64.99
List price $77.99
Stealth Series 4-Channel Class A/B Car Amplifier • 80W x 4 Chan. @ 2 Ohm • 50W x 4 Chan. @ 4 Ohm • Double Side PCB And SMD Components • Remote Bass Level Input • Active X-Over • 3-Way System Protection Circuitry
600W Peak (200W RMS) 6.5” CS Series 2 Way Coaxial 4-ohm Speakers
$79.96
List price $119.99
900W Peak (300W RMS) 6x9” CS Series 3 Way Coaxial 4-ohm Speakers with Integrated Midrange Speakers
$111.96
List price $159.99
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
360W Peak (120W RMS) 6.5" Club Series 2-way Coaxial 3-ohm Speakers
$99.95
List price $139.95
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
280W Peak (90W RMS) 6x9” SXE Series 2-way 4-ohm Coaxial Speakers
$56.99
List price $71.99
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Manufacturer:
Model Number:
STL4.320
Weight:
6.50lbs
Internal SKU:
stl4320
Internal Product ID:
23971
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Complete 4-Channel CCA 4 Gauge Amp Kit with RCA Cables and Speaker Wire
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4 Gauge Premium (CCA) Copper Clad Aluminum Amplifier Power Wiring Kit with Speaker Wire
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4 Gauge 100% (OFC) Oxygen Free Copper Amplifier Power Wiring Kit with Speaker Wire
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Universal Remote Bass Level Control Knob
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The XLOC44X helps you easily integrate with your factory or aftermarket system
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500 Amp Relay Isolator (BIR500)
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True 1.0 Farad 20V Capacitor with Digital Read-out, Built-in Distribution Block
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Belva Nine Function Digital Multimeter
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Universal Positive/Negative 1/0 or 4 Gauge Battery Terminal
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World's Smallest AFS / Mini ANL Fuse Holder
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4/8 Gauge Mini ANL (MANL, AFS) Fuse Holder
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High Quality Element Resistant AGU Fuse Holder
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Modular Linkable ANL Fuse Block
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(4)
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ANL/Mini-ANL Fuse Holder with 1/0 or 4 Gauge Input and Output
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(50)
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2 Pack of 100 Amp Nickel-Plated ANL Fuse
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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.
