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1987 Oldsmobile Calais

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 1987 Oldsmobile Calais

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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JL Audio SGRU-12

Mesh Grille for JL Audio 12" W0v3, W1v3 and W3v3 Subwoofers

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Mesh Grille for JL Audio 12" W0v3, W1v3 and W3v3 Subwoofers

• 12" Grille made specifically for the JL Audio 12W1v2, 12W3v3, or 12TW5 Sub
• Provides the Best Protection Possible
• Top-Notch JL Audio Quality
• Metal Mesh Grille Painted Black

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$49.99

In stock

• 12" Grille made specifically for the JL Audio 12W1v2, 12W3v3, or 12TW5 Sub
• Provides the Best Protection Possible
• Top-Notch JL Audio Quality
• Metal Mesh Grille Painted Black

Limited time!

NVX XQC302 Dual USB Quick Charge 3.0 Car Charger with LED Digital Voltmeter

QC 3.0 Fast Charging 12V/24V 36W Aluminum Waterproof Socket Power Output Adapter with On/Off Switch

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QC 3.0 Fast Charging 12V/24V 36W Aluminum Waterproof Socket Power Output Adapter with On/Off Switch

• Features Qualcomm Quick Charge 3.0
• Charges two devices simultaneously at 5V (2.1A)
• Charges devices 4x faster than conventional charging
• Compatible with most 12/24V charging systems
• Can be used nearly any application (Car/Truck/SUV/ATV/UTV/RV/Motorcycle/Marine)

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• Features Qualcomm Quick Charge 3.0
• Charges two devices simultaneously at 5V (2.1A)
• Charges devices 4x faster than conventional charging
• Compatible with most 12/24V charging systems
• Can be used nearly any application (Car/Truck/SUV/ATV/UTV/RV/Motorcycle/Marine)

NVX - Worth the Envy - Direct to Consumer Car Audio

JL Audio SGR-12TW3

Mesh Grille for JL Audio 12" TW3 Subwoofers

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Mesh Grille for JL Audio 12" TW3 Subwoofers

• 12" Subwoofer Grille
• Steel Mesh Material
• For Use with TW3 Series Subwoofers
• Powder Coated Satin Black Finish

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$49.99

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• 12" Subwoofer Grille
• Steel Mesh Material
• For Use with TW3 Series Subwoofers
• Powder Coated Satin Black Finish

SMD 1 Channel Heavy Duty Speaker Terminal (Grade 8 Metal)

Single Channel Round Speaker Terminal with Grade 8 Terminals

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Single Channel Round Speaker Terminal with Grade 8 Terminals

• Heavy duty terminals for serious applications
• Lightweight 3/4" PVC
• Won't break or leak under high pressure
• 5/16" Bolt Terminal
• All Grade 8 Hardware

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-40% $24.00

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• Heavy duty terminals for serious applications
• Lightweight 3/4" PVC
• Won't break or leak under high pressure
• 5/16" Bolt Terminal
• All Grade 8 Hardware

Metra 82-6900

1.5" Spacer Ring for 6x9" Speakers

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1.5" Spacer Ring for 6x9" Speakers

• 6" x 9" Universal Speaker Spacers / Depth Extenders
• Adds 1-1/2" depth to speakers
• Items that make the installer's Life easier
• Trimrings and Trimplates
• Speaker Grills
• Speaker Adapter plates

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List price $21.99
-50% $10.99

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• 6" x 9" Universal Speaker Spacers / Depth Extenders
• Adds 1-1/2" depth to speakers
• Items that make the installer's Life easier
• Trimrings and Trimplates
• Speaker Grills
• Speaker Adapter plates

Crux MVA-124

1-Input and 4-Output RCA Multi-Video Amplifier

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1-Input and 4-Output RCA Multi-Video Amplifier

• Multi-Video Amplifier
• Includes one RCA input and four RCA outputs
• Video level control for each level

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List price $48.30
-36% $31.05

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Only 3 Left!

• Multi-Video Amplifier
• Includes one RCA input and four RCA outputs
• Video level control for each level

Limitless Lithium LL3.5A-MTN-HV

3.5A 15V Portable Automatic Smart Lithium High Voltage Maintainer

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3.5A 15V Portable Automatic Smart Lithium High Voltage Maintainer

• Portable Automatic Smart Lithium High Voltage Maintainer
• Lithium LTO Battery Maintainer 3.5 Amp
• Designed for charging 15 volts batteries
• Shuts off when the battery is charged
• Can be used as a "Maintainer" for all LTO and high voltage lithium batteries

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$89.00

In stock

Only 3 Left!

• Portable Automatic Smart Lithium High Voltage Maintainer
• Lithium LTO Battery Maintainer 3.5 Amp
• Designed for charging 15 volts batteries
• Shuts off when the battery is charged
• Can be used as a "Maintainer" for all LTO and high voltage lithium batteries

Metra 44-EC12 Antenna Extension

12" Universal Antenna Extension Cable

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12" Universal Antenna Extension Cable

• Universal Antenna Extender
• Extends Antenna 12" (1 ft.)

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List price $11.99
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• Universal Antenna Extender
• Extends Antenna 12" (1 ft.)

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

Omega LINKRLT3

Remote Start Smartphone App Upgrade with Advanced GPS Functionality

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Remote Start Smartphone App Upgrade with Advanced GPS Functionality

• Smartphone remote start car alarm app
• Compatible with Android and iPhone devices
• Unlimited range (subject to service coverage area)
• Shareable with multiple users, with set expiration date
• Premium and Premium Plus service plans available

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List price $199.95
-32% $135.99

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• Smartphone remote start car alarm app
• Compatible with Android and iPhone devices
• Unlimited range (subject to service coverage area)
• Shareable with multiple users, with set expiration date
• Premium and Premium Plus service plans available

Wet Sounds ADP TC3-S

1-7/8" to 3" Stainless Steel Swivel Clamp for REV and ICON Series Tower Speakers

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1-7/8" to 3" Stainless Steel Swivel Clamp for REV and ICON Series Tower Speakers

• High-polished stainless steel tower speaker swivel clamps
• Designed to fit tube diameters of 1-7/8" up to 3"
• Fits REV8, REV10, and ICON8 tower speakers
• Includes mounting bolts

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$579.99

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• High-polished stainless steel tower speaker swivel clamps
• Designed to fit tube diameters of 1-7/8" up to 3"
• Fits REV8, REV10, and ICON8 tower speakers
• Includes mounting bolts

Escort Redline 360c

Radar and Laser Detector with Android Auto and Apple CarPlay Support

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Radar and Laser Detector with Android Auto and Apple CarPlay Support

• Multi-Band Radar and Laser Detection
• Graphic Color OLED display with current speed, vehicle voltage, and alert area monitors
• User, pilot, arrow and meter modes
• Directional arrows provide true 360-degree awareness
• Installs on the windshield

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List price $899.99
-11% $799.95

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• Multi-Band Radar and Laser Detection
• Graphic Color OLED display with current speed, vehicle voltage, and alert area monitors
• User, pilot, arrow and meter modes
• Directional arrows provide true 360-degree awareness
• Installs on the windshield

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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List price $59.99
-42% $34.99

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Used from: $34.99
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NVX XBTPN08

Positive/Negative Battery Terminal Clamp with Two 1/0 or 4 Gauge and Two 8 Gauge Outputs

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Positive/Negative Battery Terminal Clamp with Two 1/0 or 4 Gauge and Two 8 Gauge Outputs

• Positive or Negative Battery Terminal Clamp
• Connects to the positive or negative battery terminal
• Splits the connection to 4 outputs
• Two 1/0 or 4 Gauge and two 8 Gauge outputs

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• Positive or Negative Battery Terminal Clamp
• Connects to the positive or negative battery terminal
• Splits the connection to 4 outputs
• Two 1/0 or 4 Gauge and two 8 Gauge outputs

NVX SQW104

1200W Peak (600W RMS) 10" SQ-Series Dual 4-ohm Shallow-Mount Car Subwoofer

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1200W Peak (600W RMS) 10" SQ-Series Dual 4-ohm Shallow-Mount Car Subwoofer

• Peak Power: 1200 watts
• RMS Power: 600 watts
• Impedance: Dual 4 ohm
• Polypropylene Cone
• Rubber Surround
• Mount depth: 3.23"
• Sensitivity: 83 dB

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List price $299.99
-17% $249.99

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• Peak Power: 1200 watts
• RMS Power: 600 watts
• Impedance: Dual 4 ohm
• Polypropylene Cone
• Rubber Surround
• Mount depth: 3.23"
• Sensitivity: 83 dB

Viper 5308V

2-Way Remote Start Keyless Entry System with 4-Button Transmitter

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2-Way Remote Start Keyless Entry System with 4-Button Transmitter

• 2-Way 5-Button Remote Car Starter
• With 4-Button Transmitter
• 1320 feet Range
• Antenna With Integrated Valet Switch & LED
• Built-in security features

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List price $379.99
-16% $319.99

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• 2-Way 5-Button Remote Car Starter
• With 4-Button Transmitter
• 1320 feet Range
• Antenna With Integrated Valet Switch & LED
• Built-in security features

Axxess AX-TRIG1

Universal Parking Brake Bypass Module for Aftermarket Stereos

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Universal Parking Brake Bypass Module for Aftermarket Stereos

• Universal Parking Brake Bypass Module
• Designed for use in RVs, off-road, and exhibition vehicles
• Emulates a parking brake signal

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• Universal Parking Brake Bypass Module
• Designed for use in RVs, off-road, and exhibition vehicles
• Emulates a parking brake signal

Belva BTK112

12-Piece Installer's Master Panel Removal Tool Kit

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12-Piece Installer's Master Panel Removal Tool Kit

• 12 Piece Installers Removal Tool Kit
• Made From Nylon Plastic and Metal
• Includes with Ford Removal Keys and Euro Radio Removal Keys
• Various Shapes and Sizes for Different Needs

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• 12 Piece Installers Removal Tool Kit
• Made From Nylon Plastic and Metal
• Includes with Ford Removal Keys and Euro Radio Removal Keys
• Various Shapes and Sizes for Different Needs

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

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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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.
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NVX - Worth the Envy - Direct to Consumer Car Audio

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    FAQ for Universal-Fit Audio & Electronics in 1987 Calais

    Q: Can I upgrade or change the Universal-Fit Audio & Electronics in 1987 Oldsmobile Calais?

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

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    Identify your vehicle and submodel details
    • Owner's manual
    • Vehicle's insurance card
    • Vehicle registration
    • 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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    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

    • You see only parts engineered for your exact vehicle
    • You avoid incompatible radios, speakers, or wiring
    • Installation is smoother, faster, and frustration-free
    • You get the correct accessories the first time

    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.