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1957 Cadillac Eldorado

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 1957 Cadillac Eldorado

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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Install Bay VXT62

XTC 6-1/2" Round Large Frame, Shallow Foam Acoustic Speaker Baffles

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XTC 6-1/2" Round Large Frame, Shallow Foam Acoustic Speaker Baffles

• Large Frame Speaker Baffles
• For 6-1/2" Speakers • Made from a Waterproof Foam
• Greatly Enhances the Sound and Performance of the Speakers
• Reduces Panel Vibration

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Fast 3-day shipping to VA. Get it Tue, Apr. 2

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This product does not fit your 1957 Eldorado

26
Was $19.99 Details
$14.49

In stock

• Large Frame Speaker Baffles
• For 6-1/2" Speakers • Made from a Waterproof Foam
• Greatly Enhances the Sound and Performance of the Speakers
• Reduces Panel Vibration

Metra MPS-RZ1RGB

Polaris RZR RGB LED Headlights with Bluetooth Control

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Polaris RZR RGB LED Headlights with Bluetooth Control

• RGB Halo style LED Headlights
• Bluetooth Controllable
• White/Red/Green/Pink/RGB
• 121 different flashing modes, jumping, fading, flashing, dimming, watering, and running mode, etc

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FREE 2-day shipping to VA. Get it Sat, Mar. 30
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VIP Product Get $24.00 in rewards to spend later

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This product does not fit your 1957 Eldorado

Was $409.00 Details
$239.99

In stock

Only 2 Left!

• RGB Halo style LED Headlights
• Bluetooth Controllable
• White/Red/Green/Pink/RGB
• 121 different flashing modes, jumping, fading, flashing, dimming, watering, and running mode, etc

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Item added to your cart.

Price: $239.99

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Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7

Metra 82-4401

Universal 1/2" Speaker Adapter 6" to 6-3/4"

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Universal 1/2" Speaker Adapter 6" to 6-3/4"

• Universal 1/2" Speaker Adapter
• Color: Black
• High Grade ABS Plastic Construction
• Factory Matched Texture Style

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Fast 3-day shipping to VA. Get it Tue, Apr. 2

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This product does not fit your 1957 Eldorado

1
Was $19.99 Details
$11.99

In stock

• Universal 1/2" Speaker Adapter
• Color: Black
• High Grade ABS Plastic Construction
• Factory Matched Texture Style

American International USB1000

6-1/2" and 6-3/4" Stackable Speaker Spacers

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6-1/2" and 6-3/4" Stackable Speaker Spacers

• Expertly made from premium materials
• Adapters for speakers
• radio and panel removal tools
bull; Brackets enable installers to utilize 6", 6.5", and 6.75" speakers

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Fast 3-day shipping to VA. Get it Tue, Apr. 2

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This product does not fit your 1957 Eldorado

Was $59.00 Details
$18.99

In stock

• Expertly made from premium materials
• Adapters for speakers
• radio and panel removal tools
bull; Brackets enable installers to utilize 6", 6.5", and 6.75" speakers

The Install Bay VXT69

XTC 6" x 9" Foam Acoustic Speaker Baffles

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XTC 6" x 9" Foam Acoustic Speaker Baffles

• Foam Speaker Baffles
• For 6" x 9" Speakers
• Made from a Waterproof Foam
• Greatly Enhances the Sound and Performance of the Speakers
• Reduces Panel Vibration

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Fast 3-day shipping to VA. Get it Tue, Apr. 2

empty

This product does not fit your 1957 Eldorado

32
Was $19.99 Details
$14.99

In stock

• Foam Speaker Baffles
• For 6" x 9" Speakers
• Made from a Waterproof Foam
• Greatly Enhances the Sound and Performance of the Speakers
• Reduces Panel Vibration

Metra 82-4203

6" - 6.75" Universal Speaker Adapter

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6" - 6.75" Universal Speaker Adapter

• Universal Speaker Adapters
• installation of 6 to 6.75 inch speakers
• Sold as Pair

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Fast 3-day shipping to VA. Get it Tue, Apr. 2

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This product does not fit your 1957 Eldorado

Was $19.99 Details
$15.99

In stock

• Universal Speaker Adapters
• installation of 6 to 6.75 inch speakers
• Sold as Pair

Metra 44-PW22 Antenna

Replacement Power Antenna for Select GM, Nissan, and Ford Vehicles (Chrome)

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Replacement Power Antenna for Select GM, Nissan, and Ford Vehicles (Chrome)

• Universal Replacement Power Antenna
• Fully Automatic
• Customer Mounting Bases Included
• Color: Chrome

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FREE 2-day shipping to VA. Get it Sat, Mar. 30

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This product does not fit your 1957 Eldorado

2
Was $89.99 Details
$55.99

In stock

• Universal Replacement Power Antenna
• Fully Automatic
• Customer Mounting Bases Included
• Color: Chrome

44-PW22 small

Item added to your cart.

Price: $55.99

Allstate logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7

NVX FRING69

2 Piece 6"x9" Self-Adhesive Foam Speaker Ring Baffle Kit

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2 Piece 6"x9" Self-Adhesive Foam Speaker Ring Baffle Kit

• Acoustically seals speakers for better sound performance
• Prevents front and rear wave cancellation
• Reduces panels vibrations
• Easy peel and stick installation

Save 10% at CheckoutShop all deals
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Fast 3-day shipping to VA. Get it Tue, Apr. 2

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This product does not fit your 1957 Eldorado

3
Was $19.99 Details
$11.99

In stock

• Acoustically seals speakers for better sound performance
• Prevents front and rear wave cancellation
• Reduces panels vibrations
• Easy peel and stick installation

Crux SWR-A

Steering Wheel Control Retention Interface for Analog SWC

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Steering Wheel Control Retention Interface for Analog SWC

• Retains Steering Wheel Controls
• Retains VR Command
• Works with Sony Radio with CarPlay Function
• Dimension: 3.5" L x 2.5" W x 7" H

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Fast 3-day shipping to VA. Get it Tue, Apr. 2

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This product does not fit your 1957 Eldorado

Was $69.95 Details
$43.95

In stock

Only 1 Left!

• Retains Steering Wheel Controls
• Retains VR Command
• Works with Sony Radio with CarPlay Function
• Dimension: 3.5" L x 2.5" W x 7" H

SWR-A small

Item added to your cart.

Price: $43.95

Allstate logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7

Soundstream Reserve HDHU.14HCM Handlebar Control Adapter

Connects your Harley Davidson handlebar controls to Precision Power HDHU.14 Series Receivers

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Connects your Harley Davidson handlebar controls to Precision Power HDHU.14 Series Receivers

• Retains handlebar controls

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FREE 2-day shipping to VA. Get it Sat, Mar. 30
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VIP Product Get $6.90 in rewards to spend later

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This product does not fit your 1957 Eldorado

Was $99.00 Details
$69.00

In stock

Only 1 Left!

• Retains handlebar controls

HDHU.14HCM small

Item added to your cart.

Price: $69.00

Allstate logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7

American International SG-650DX

Pair of 1/2" 6-1/2" Speaker Spacer Rings

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Pair of 1/2" 6-1/2" Speaker Spacer Rings

• Pair of 1/2" 6-1/2" Speaker Adapters
• Gives an extra 1/2" inch to mounting depth
• Priced Per Pair

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Fast 3-day shipping to VA. Get it Tue, Apr. 2

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This product does not fit your 1957 Eldorado

16
Was $19.99 Details
$7.99

In stock

• Pair of 1/2" 6-1/2" Speaker Adapters
• Gives an extra 1/2" inch to mounting depth
• Priced Per Pair

Install Bay IBSBF65

2 Piece Speaker Baffle Kit 6.5 Inch - Pkg/Pair

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2 Piece Speaker Baffle Kit 6.5 Inch - Pkg/Pair

• New design silicone with egg wave foam
• Foldable speaker baffle
• No more trimming or cutting
• Better sealing for better sound

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Fast 3-day shipping to VA. Get it Tue, Apr. 2

empty

This product does not fit your 1957 Eldorado

3
$24.99

In stock

• New design silicone with egg wave foam
• Foldable speaker baffle
• No more trimming or cutting
• Better sealing for better sound

The Install Bay VXT65

XTC 6-1/2" Round Small Frame Foam Acoustic Speaker Baffles

VXT65 big
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XTC 6-1/2" Round Small Frame Foam Acoustic Speaker Baffles

• Small Frame Speaker Baffles
• For 6-1/2" Speakers
• Made from a Waterproof Foam
• Greatly Enhances the Sound and Performance of the Speakers
• Reduces Panel Vibration

shipping truck icon
Fast 3-day shipping to VA. Get it Tue, Apr. 2

empty

This product does not fit your 1957 Eldorado

21
Was $19.99 Details
$13.99

In stock

Only 2 Left!

• Small Frame Speaker Baffles
• For 6-1/2" Speakers
• Made from a Waterproof Foam
• Greatly Enhances the Sound and Performance of the Speakers
• Reduces Panel Vibration

Crux VIMLR-89

VIM Activation for Land Rover & Jaguar Vehicles 2012-up w/ Touchscreen Navigation Systems

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VIM Activation for Land Rover & Jaguar Vehicles 2012-up w/ Touchscreen Navigation Systems

• Video in-motion (VIM) Activation Module
• Retains functionality of Factory-installed Navigation System for passenger access at any time
• Designed for OEM equipment only
• Allows onscreen access to Factory Bluetooth Keypad
• Allows for Navigation Destination Address Entry at anytime
• Dimensions: 3.5"L x 2.5"W x 7"H

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FREE shipping to VA. Delivers Apr. 5 - Apr. 9

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This product does not fit your 1957 Eldorado

1
Was $325.95 Details
$199.95

In stock.

• Video in-motion (VIM) Activation Module
• Retains functionality of Factory-installed Navigation System for passenger access at any time
• Designed for OEM equipment only
• Allows onscreen access to Factory Bluetooth Keypad
• Allows for Navigation Destination Address Entry at anytime
• Dimensions: 3.5"L x 2.5"W x 7"H

VIMLR-89 small

Item added to your cart.

Price: $199.95

Allstate logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7

Metra 44-CR190B Antenna

Replacement Antenna for Select Dodge Ram Vehicles '95-Up

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Replacement Antenna for Select Dodge Ram Vehicles '95-Up

• Replacement Antenna for Select Dodge Ram Vehicles
• 31" 1-Section Black Removable Mast
• 27" Cable
• Factory Connector and 15" Adapter Cable

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Fast 3-day shipping to VA. Get it Tue, Apr. 2

empty

This product does not fit your 1957 Eldorado

3
$32.99

In stock

• Replacement Antenna for Select Dodge Ram Vehicles
• 31" 1-Section Black Removable Mast
• 27" Cable
• Factory Connector and 15" Adapter Cable

Metra 44-GM935 Antenna

Replacement Antenna for Select Multi Application GM Vehicles

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Replacement Antenna for Select Multi Application GM Vehicles

• Replacement Antenna for Select GM Vehicles
• Universal with 5 Fixed-Angle Bases
• 31" Mast

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Fast 3-day shipping to VA. Get it Tue, Apr. 2

empty

This product does not fit your 1957 Eldorado

5
Was $24.99 Details
$20.99

In stock

Only 2 Left!

• Replacement Antenna for Select GM Vehicles
• Universal with 5 Fixed-Angle Bases
• 31" Mast

NVX XBAF68

2 Piece Universal 6"x8” and 5"x7" Silicone Rubber Speaker Baffles with Self Adhesive Foam Base Pad

XBAF68 big
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2 Piece Universal 6"x8” and 5"x7" Silicone Rubber Speaker Baffles with Self Adhesive Foam Base Pad

• Foldable Silicone with egg crate foam
• Creates a tight seal around your speaker for optimum sound quality
• Waterproof material
• The foam baffles from the competitors will deteriorate over time, while the rubber XBAF68's will last a lifetime

Save 10% at CheckoutShop all deals
shipping truck icon
Fast 3-day shipping to VA. Get it Tue, Apr. 2

empty

This product does not fit your 1957 Eldorado

2
Was $29.99 Details
$18.99

In stock

• Foldable Silicone with egg crate foam
• Creates a tight seal around your speaker for optimum sound quality
• Waterproof material
• The foam baffles from the competitors will deteriorate over time, while the rubber XBAF68's will last a lifetime

PAC General Motors Navigation and Video Bypass (NU-GM51)

Gain Access to Locked Navigation Menus and Video while Vehicle is In Motion on select 2013-2015 General Motors Factory Radios

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Gain Access to Locked Navigation Menus and Video while Vehicle is In Motion on select 2013-2015 General Motors Factory Radios

• Enables a fully functional navigation system when car is in motion
• For Select Chevrolet, Cadillac and GMC Vehicles
• Destination input address enabled
• Bluetooth functions enabled
• Blu-Ray, SD and USB video playback

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FREE 2-day shipping to VA. Get it Sat, Mar. 30

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This product does not fit your 1957 Eldorado

2
Was $359.00 Details
$259.99

In stock

Only 2 Left!

• Enables a fully functional navigation system when car is in motion
• For Select Chevrolet, Cadillac and GMC Vehicles
• Destination input address enabled
• Bluetooth functions enabled
• Blu-Ray, SD and USB video playback

NU-GM51 small

Item added to your cart.

Price: $259.99

Allstate logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7

The Install Bay VXT60

XTC 6-1/2" Round Large Frame Foam Acoustic Speaker Baffles

VXT60 big
Go to item page Right Arrow Icon of Right Arrow

XTC 6-1/2" Round Large Frame Foam Acoustic Speaker Baffles

• Large Frame Speaker Baffles
• Made from a Waterproof Foam
• Greatly Enhances the Sound and Performance of the Speakers
• Reduces Panel Vibration

shipping truck icon
Fast 3-day shipping to VA. Get it Tue, Apr. 2

empty

This product does not fit your 1957 Eldorado

18
Was $19.99 Details
$14.99

In stock

• Large Frame Speaker Baffles
• Made from a Waterproof Foam
• Greatly Enhances the Sound and Performance of the Speakers
• Reduces Panel Vibration

Metra 81-6900

Universal Speaker Baffles for 6" X 9" Speakers

81-6900 big
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Universal Speaker Baffles for 6" X 9" Speakers

• Universal Speaker Baffles • Works for 6" X 9" Speakers
• Durable ABS Plastic Construction
• Protects the Back of the Speaker
• Reduces Panel Vibration
• Blocks Road Noise
• Creates a Tight Acoustic Seal

shipping truck icon
Fast 3-day shipping to VA. Get it Tue, Apr. 2

empty

This product does not fit your 1957 Eldorado

3
Was $19.99 Details
$10.99

In stock

• Universal Speaker Baffles • Works for 6" X 9" Speakers
• Durable ABS Plastic Construction
• Protects the Back of the Speaker
• Reduces Panel Vibration
• Blocks Road Noise
• Creates a Tight Acoustic Seal

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    FAQ for Universal-Fit Audio & Electronics in 1957 Eldorado

    Q: Can I upgrade or change the Universal-Fit Audio & Electronics in 1957 Cadillac Eldorado?

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

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    • Owner’s manual
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    • Vehicle produced after 2005: Inside driver’s side door
    • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
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