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2021 Chrysler 300

Universal gear includes car amplifiers, subs, and other products that do not install in a specific location or require fitment to integrate with a vehicle.

Universal-Fit Audio for 2021 Chrysler 300

When thinking of universal gear, we consider products like a car amp that gives more power to your speakers or subs, cell phone chargers, equalizers and sound processors, rear-seat entertainment and video monitors, as well as dash cameras.

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Cobra PX650-BCH6

Splashproof Pro Business 2-Way Walkie Talkies (6-Pack)

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Splashproof Pro Business 2-Way Walkie Talkies (6-Pack)

• Pro Business 2-Way Walkie Talkies
• IP54-rated splashproof and weather-resistant
• 22 Channels and 88 Privacy Codes
• Voice-Activated Transmission (VOX)
• 18-hour lithium-ion battery

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$299.95

In stock

• Pro Business 2-Way Walkie Talkies
• IP54-rated splashproof and weather-resistant
• 22 Channels and 88 Privacy Codes
• Voice-Activated Transmission (VOX)
• 18-hour lithium-ion battery

AudioControl The EPICENTER PRO

1-Channel Bass Restoration Processor and Line Driver with Bass Remote

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1-Channel Bass Restoration Processor and Line Driver with Bass Remote

• 1 channel bass restoration processor and line driver
• Original bass maximizer
• ParaBASS controls
• Selectable PFM Subsonic Filter
• Selectable maximum output voltage
• Bass restoration lighted display
• Dual-function remote level control included

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1
List price $259.00
-23% $199.00

In stock

• 1 channel bass restoration processor and line driver
• Original bass maximizer
• ParaBASS controls
• Selectable PFM Subsonic Filter
• Selectable maximum output voltage
• Bass restoration lighted display
• Dual-function remote level control included

PAC SNI-1/3.5

3.5mm Ground Loop Noise Isolator Works

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3.5mm Ground Loop Noise Isolator Works

• Ground Loop Isolator
• Close to Perfect Response of +/- 0.03 dB From 2-20,000 Hz
• Utilizes Proprietary Audio Transformers for a 1.3 dB Gain
• Female 3.5mm Input
• Male 3.5mm Output

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85
List price $19.00
-16% $15.99

In stock

Only 1 Left!

• Ground Loop Isolator
• Close to Perfect Response of +/- 0.03 dB From 2-20,000 Hz
• Utilizes Proprietary Audio Transformers for a 1.3 dB Gain
• Female 3.5mm Input
• Male 3.5mm Output

Metra IBWRD00

Dual 1/0-Gauge to Single 1/0 Gauge Input Wire Reducers

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Dual 1/0-Gauge to Single 1/0 Gauge Input Wire Reducers

• Dual 1/0-gauge input and output to 1/0-gauge wire reducer
• Machined brass construction with Chrome finish
• Designed for aftermarket audio upgrades in any vehicle

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List price $49.99
-10% $44.99

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Ships in 10-14 days

• Dual 1/0-gauge input and output to 1/0-gauge wire reducer
• Machined brass construction with Chrome finish
• Designed for aftermarket audio upgrades in any vehicle

Crux CUB-15

Universal Bullet Backup Camera

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Universal Bullet Backup Camera

• Universal Rear View Backup Camera
• Mounting Style: Flush Mount (push-in)
• Viewing Angle: 170° wide view angle
• Resolution: 480 TV Lines
• Waterproof: Yes (IP67-rated)
• Nightvision: Low-light

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List price $81.90
-36% $52.65

In stock

• Universal Rear View Backup Camera
• Mounting Style: Flush Mount (push-in)
• Viewing Angle: 170° wide view angle
• Resolution: 480 TV Lines
• Waterproof: Yes (IP67-rated)
• Nightvision: Low-light

Belva BBSW167

16 Gauge 7 Meter (23 Ft) Speaker Wire (CCA)

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16 Gauge 7 Meter (23 Ft) Speaker Wire (CCA)

• 7 Meters
• 16 Gauge Speaker Wire
• High Strand Count for Maximum Flexibility
• 23 Foot Length

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List price $24.99
-48% $12.99

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• 7 Meters
• 16 Gauge Speaker Wire
• High Strand Count for Maximum Flexibility
• 23 Foot Length

NVX VPRO35TW

240W Peak (120W RMS) 3.5" V-Series Pro Audio Super Slim Bullet Tweeters

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240W Peak (120W RMS) 3.5" V-Series Pro Audio Super Slim Bullet Tweeters

• 3.5" Pro Audio Bullet Tweeters
• 240 watts Peak Each
• 120 watts RMS Each
• 4 ohm Impedance

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List price $47.99
-38% $29.99

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Cobra RAD 700i

Radar and Laser Detector with GPS, Bluetooth, and AutoLearn Intelligence

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Radar and Laser Detector with GPS, Bluetooth, and AutoLearn Intelligence

• Radar and Laser Detector
• Built-in Bluetooth and GPS
• AutoLearn Intelligence feature
• EZ Mag Mount included

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$259.95

In stock

• Radar and Laser Detector
• Built-in Bluetooth and GPS
• AutoLearn Intelligence feature
• EZ Mag Mount included

Limited time!

Belva BAK42

4 Gauge Premium (CCA) Copper Clad Aluminum Complete 2-Channel Amplifier Wiring Kit with RCA for Amplifiers up to 1200 Watts - RED

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4 Gauge Premium (CCA) Copper Clad Aluminum Complete 2-Channel Amplifier Wiring Kit with RCA for Amplifiers up to 1200 Watts - RED

• Complete 4 Gauge Amplifier Installation Kit
• For Amplifiers Up To 1200 Watts RMS
• Premium (CCA) Copper Clad Aluminum
• Helical Twist 2-Channel RCA Cable
• ANL/Mini-ANL Fuse Holder with 80 amp fuse
• Complies to American Wire Gauge standards

FREE Belva Amp Kit at Checkout!
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169
List price $59.99
-42% $34.99

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Used from: $34.99

Stinger SPT521

Gauge Reducer, 1/0 Gauge Input to 4 Gauge Pin

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Gauge Reducer, 1/0 Gauge Input to 4 Gauge Pin

• Gauge Reducer Adapter
• 1/0 Gauge Input to 4 Gauge Pin
• Deep Wire Recesses
• Ultimate Power Delivery
• Corrosion Resistant Shoc-Krome Plating

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-55% $12.99

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• Gauge Reducer Adapter
• 1/0 Gauge Input to 4 Gauge Pin
• Deep Wire Recesses
• Ultimate Power Delivery
• Corrosion Resistant Shoc-Krome Plating

NVX XWF04PK

4 pack 1/0 AWG Ferrule with NVX heat shrink

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4 pack 1/0 AWG Ferrule with NVX heat shrink

• Prevents Wire Splitting when using Setscrew Terminals
• Fits 1/0 Gauge AWG Wire
• Includes (4) 0 Gauge Ferrules and (4) Heat Shrink

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Like New from: $7.64

• Prevents Wire Splitting when using Setscrew Terminals
• Fits 1/0 Gauge AWG Wire
• Includes (4) 0 Gauge Ferrules and (4) Heat Shrink

Install Bay 89-00-9031 by Metra

12"x12"x1/8" ABS Plastic Sheet

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12"x12"x1/8" ABS Plastic Sheet

• 12" x 12" ABS Blank Panel Trim
• Customize The Blank Panel By Shaping It Or Cutting It Out
• Use It To Fill In Spaces And Gaps Or To Mount Accessories

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List price $14.99
-33% $9.99

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• 12" x 12" ABS Blank Panel Trim
• Customize The Blank Panel By Shaping It Or Cutting It Out
• Use It To Fill In Spaces And Gaps Or To Mount Accessories

NVX VADM4 v2 (VADM4v2)

500W RMS Class D V-Series Micro Full-Range 4-Channel Car/Marine/Powersports Amplifier

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500W RMS Class D V-Series Micro Full-Range 4-Channel Car/Marine/Powersports Amplifier

• 80 watts x 4 channel @ 4 ohm
• 125 watts x 4 channel @ 2 ohm
• Bridged: 250 watts x 2 channel @ 4 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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-13% $209.99

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Available Offers (2) for NVX VADM4 v2 (VADM4v2)
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Dads & Grads Sale! Save 15% at Checkout!
List price $239.99
-13% $209.99
$178.49 with coupon | Price details
2026-06-30 23:59:00
Save 30% off an NVX XKIT84 Amp Kit at Checkout! Add a qualifying amplifier to your cart and save 30% on the NVX XKIT84 Amp Kit! No code needed — discount applies automatically at checkout.
Used from: $136.49

NVX VCW152v3RC

Recone Kit for VCW152v3 Version 3 Subwoofers

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Recone Kit for VCW152v3 Version 3 Subwoofers

• Kits are assembled to ensure perfect fitment and alignment
• Each kit includes all new soft moving parts
• Impedance: Dual 2-ohm
• CA glue adhesive is NOT included

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List price $131.99
-17% $109.99

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Only 3 Left!

• Kits are assembled to ensure perfect fitment and alignment
• Each kit includes all new soft moving parts
• Impedance: Dual 2-ohm
• CA glue adhesive is NOT included

Stinger SS69PUG

Empty Single 6x9" Sealed Front-Loaded Speaker Enclosures

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Empty Single 6x9" Sealed Front-Loaded Speaker Enclosures

• Empty Single 6x9" Speaker Enclosures
• Medium Density Fiberboard (MDF) construction with charcoal carpet finish
• Front-loaded enclosure design suitable for trucks
• Integrated terminals for easy installation and removal

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List price $129.00
-53% $60.99

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• Empty Single 6x9" Speaker Enclosures
• Medium Density Fiberboard (MDF) construction with charcoal carpet finish
• Front-loaded enclosure design suitable for trucks
• Integrated terminals for easy installation and removal

Precision Power HD14.FTD

Tweeter Diaphragm Replacement for HD14.FHT Tweeters (1 Piece)

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Tweeter Diaphragm Replacement for HD14.FHT Tweeters (1 Piece)

• Replacement tweeter diaphragm for premium gauge tweeters
• Specifically designed for HD14.FTD tweeters
• Direct replacement, easy installation
• Includes one (1) replacement tweeter diaphragm

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List price $24.99
-20% $19.99

In stock

• Replacement tweeter diaphragm for premium gauge tweeters
• Specifically designed for HD14.FTD tweeters
• Direct replacement, easy installation
• Includes one (1) replacement tweeter diaphragm

Encore WK-2+ (WK-2-PLUS)

Vehicle Alarm/Remote Start 2-Window Roll-up/down Automation Kit

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Vehicle Alarm/Remote Start 2-Window Roll-up/down Automation Kit

• Universal Vehicle Alarm/Remote Start Power Window Automation Kit
• Automatic Roll-up/down windows from your Alarm/Remote Start controller
• Can be used for sunroof
• Compatible with All Encore Remote Start and Security Systems
• Compatible with All Encore Remote Start and Security Systems

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List price $99.99
-76% $23.99

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• Universal Vehicle Alarm/Remote Start Power Window Automation Kit
• Automatic Roll-up/down windows from your Alarm/Remote Start controller
• Can be used for sunroof
• Compatible with All Encore Remote Start and Security Systems
• Compatible with All Encore Remote Start and Security Systems

NVX VSLR60

60-Ohm Load Resistors for 2018-up Dodge/Chrysler/Jeep/RAM/Fiat vehicles with Amplified Systems

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60-Ohm Load Resistors for 2018-up Dodge/Chrysler/Jeep/RAM/Fiat vehicles with Amplified Systems

• 60 Ohm Load Resistors
• Prevents Audio Shutdown and Distortion
• Compatible with most devices with speaker-level inputs
• Works in select 2018-up Chrysler-built vehicles
• Sold as a pair

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List price $39.99
-63% $14.99

In stock

Used from: $15.99 Like New from: $15.99

• 60 Ohm Load Resistors
• Prevents Audio Shutdown and Distortion
• Compatible with most devices with speaker-level inputs
• Works in select 2018-up Chrysler-built vehicles
• Sold as a pair

Audiovox FMDIRB

FM Modulator Relay Box and Direct Adapter

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FM Modulator Relay Box and Direct Adapter

• Converts internal wireless FM transmitter to a wired FM modulator
• Connects audio output with POD with FM modulator to car radio
• Designed for use with Audiovox SIRCK3 and XC9 vehicle kits

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$39.99

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Ships in 10-14 days

• Converts internal wireless FM transmitter to a wired FM modulator
• Connects audio output with POD with FM modulator to car radio
• Designed for use with Audiovox SIRCK3 and XC9 vehicle kits

AudioControl LC2i PRO

2-Channel 400W Line Output Converter with AccuBASS and ACR-1 Remote

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2-Channel 400W Line Output Converter with AccuBASS and ACR-1 Remote

• 2-Channel Line Out Converter
• AccuBASS processing for correction of bass roll-off
AudioControl ACR-1 REMOTE wired bass remote knob included

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-24% $159.00

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• 2-Channel Line Out Converter
• AccuBASS processing for correction of bass roll-off
AudioControl ACR-1 REMOTE wired bass remote knob included

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    FAQ for Universal-Fit Audio & Electronics in 2021 300

    Q: Can I upgrade or change the Universal-Fit Audio & Electronics in 2021 Chrysler 300?

    A: Yes this page includes all the best Universal-Fit Audio & Electronics that work in your 300.

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    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

    • You see only parts engineered for your exact vehicle
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