See all parts that fit your 2017 300
21" Sub Series Professional Subwoofer System with Built-in Crossover
Product highlights
21" Professional Sub Series Subwoofer System • 3000W Max. • Built-in 150 Hz Crossover w/ Switchable Low-Pass Output • 3" Voice Coils • Dual Pole Mount • 120 Oz. Magnet Structure • Two 1/4" Speakon Inputs • One 1/4" Speakon Output
Learn more about the sub21x
Amplifier and Subwoofer Integration Interface for select 2013-2024 vehicles from Ram, Jeep, Dodge
$239.00
List price $329.00
Install New Speakers in select 1999-2026 vehicles from Dodge, Ram, Jeep
$9.99
List price $15.99
5.25” or 6.5” Speaker Mounting Adapters for select 1977-2024 vehicles from Dodge, Chevrolet, Chrysler
$14.99
List price $22.99
600W Peak (200W RMS) 6x9" Excelon Series 2-way 4-ohm Component Speaker System for select 2002-2024 vehicles from Toyota, Dodge, Chevrolet
$209.00
List price $320.00
PAC APH-CH01 AmpPro Speaker Connection Harness
Used in conjunction with AmpPro Harness when you add an amplifier to your factory radio for select 2007-2023 vehicles from Dodge, Jeep, Chrysler w/ Factory Amplified Sound Systems
$49.99
List price $109.00
Speaker Adapters to Mount Tweeter without Adapter or Modification for select 1990-2024 vehicles from Dodge, Subaru, Ram
$11.99
List price $24.99
Double DIN Stereo Dash Kit and Harness for select 2015-2023 300
$529.99
List price $787.99
720W Peak (180W RMS) 6x9” DS Series 3-way 4-ohm Coaxial Car Speakers with Integrated Midrange
$119.99
List price $139.99
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
$255.32
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
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
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Manufacturer:
Model Number:
SUB-21X
Weight:
105.00lbs
Internal SKU:
sub21x
Internal Product ID:
24541
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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.
