See all parts that fit your 2018 300
800W Max, 4-Channel Street Machines Series Car Amplifier
Street Machine AT 4-Channel Class A/B Car Amplifier • 800 Watts Max • 400 Watts RMS • Twin Coil MOSFET Auto Step Power Supply • Pro-Fi Outputs • Soft Start Turn-On • 4-Way System Protection Circuitry • Bass Boost
Learn more about the sm4800
Install New Speakers in select 1999-2026 vehicles from Dodge, Ram, Jeep
$9.99
List price $15.99
Install New Speakers in select 1999-2026 vehicles from Dodge, Ram, Jeep
$11.99
List price $13.99
Install a New Tweeter in select 2005-2024 vehicles from Dodge, Chrysler, Jeep
$12.99
List price $14.99
Double DIN Stereo Dash Kit and Harness for select 2015-2023 300
$529.99
List price $787.99
900W Peak (300W RMS) 6x9” CS Series 3 Way Coaxial 4-ohm Speakers with Integrated Midrange Speakers
$111.96
List price $159.99
6.2" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth and Built-in Alexa
$194.99
List price $300.00
Rockford Fosgate Punch P1 P132
80W Peak (40W RMS) 3.5” Punch Series 2 Way Coaxial 4-ohm Speakers
$89.99
Universal 6x9" Self-Adhesive Foam Speaker Baffle Ring Kit (Pack of 2)
$15.99
List price $19.99
520W Peak (170W RMS) 6x9" S-Series Hi-Res 2-Way Coaxial 4-ohm Car Speakers
$169.95
List price $200.00
Street Machine AT 4-Channel Class A/B Car Amplifier • 800 Watts Max • 400 Watts RMS • Twin Coil MOSFET Auto Step Power Supply • Pro-Fi Outputs • Soft Start Turn-On • 4-Way System Protection Circuitry • Bass Boost
Kenwood eXcelon KFC-XP6903C with Installation Accessories
200W RMS 6"x9" 3-way Component Speakers with Speaker Baffles, Sound Damping, Roller, and Panel Removal Kit
$255.34
List price $412.71
Polk Audio DB6502 DB+ 6.5" 600 Watt Car Speakers with Free 6" x 9" Adapters
600W Peak (200W RMS) 6.5" DB+ Series 2-way Component Speakers with 6" x 9" Speaker Adapters
$211.72
List price $232.98
6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto, and SiriusXM Ready
$339.99
List price $420.00
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
150W Peak (50W RMS) 3.5" Club Series 2 Way Coaxial 3-ohm Speakers
$79.95
List price $109.95
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
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
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:
SM4-800
Weight:
9.00lbs
Internal SKU:
sm4800
Internal Product ID:
18718
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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.
