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1973 Buick Riviera

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 1973 Buick Riviera

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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NVX NDA15001

3000W Peak (1500W RMS) Class D N-Series Monoblock Car Amplifier with Bass Remote

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3000W Peak (1500W RMS) Class D N-Series Monoblock Car Amplifier with Bass Remote

• 670 watts x 1 channel @ 4 ohm
• 1100 watts x 1 channel @ 2 ohm
• 1500 watts x 1 channel @ 1 ohm
• Total RMS Power: 1500 watts
• Class D 1 ohm Stable Monoblock Amplifier

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Save 30% on an NVX XKIT42 Amp Kit with Purchase! Add a qualifying amplifier to your cart and save 30% on the NVX XKIT42 Amp Kit! No code needed — discount applies automatically at checkout.
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2026-07-27 11:08:20

Metra 44-EC6R Antenna Extension

6" Universal Antenna Extension Cable with Right Angle Male

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6" Universal Antenna Extension Cable with Right Angle Male

• Universal Antenna Extender
• Extends Antenna 6" (.5 ft.)
• Right Angle Male Connector

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• Universal Antenna Extender
• Extends Antenna 6" (.5 ft.)
• Right Angle Male Connector

NVX - Worth the Envy - Direct to Consumer Car Audio

Crimestopper SP-402

1-Way Remote Start Keyless Entry Car Alarm System with (2) 1500 ft Range 5-Button LED Transmitters

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1-Way Remote Start Keyless Entry Car Alarm System with (2) 1500 ft Range 5-Button LED Transmitters

• 1-Way Remote Car Starter
• 5-Button LED Transmitter
• 1500 feet of range (0.28 miles)
• Dual 2-way data port
• Multi-vehicle functionality

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List price $249.99
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• 1-Way Remote Car Starter
• 5-Button LED Transmitter
• 1500 feet of range (0.28 miles)
• Dual 2-way data port
• Multi-vehicle functionality

Limited time!

Crunch GP-3500.1D

3500W Peak Class-D GP Series Monoblock Car Amplifier with Bass Remote

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3500W Peak Class-D GP Series Monoblock Car Amplifier with Bass Remote

• 875 watts x 1 channel @ 4 ohm
• 1750 watts x 1 channel @ 2 ohm
• 3500 watts x 1 channel @ 1 ohm
• Total Peak Power: 3500 watts
• Class D 1 ohm Stable Monoblock Amplifier

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NVX XAPK4 + XIV25 (XKIT42 Sub)

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Metra MPS-RGBC-4

Water-Resistant RGB LED Controller for MPS-RGBWWS4

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Water-Resistant RGB LED Controller for MPS-RGBWWS4

• Water-resistant RGB LED Controller
• Designed in tandem with RGB MPS app
• Select from 10 speeds and 20 modes
• Sync LED to your music via Smartphone Bluetooth feature
• Compatible with MPS-RGBWWS4 (Sold separately)

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Belva BAAUXUSB

USB and AUX Car Audio Adapter

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USB and AUX Car Audio Adapter

• USB/AUX input
• 6-foot cable
• front-mounted USB-A port and 3.5mm aux input
• 1" mounting hole required
•Easy screw in style installation

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• USB/AUX input
• 6-foot cable
• front-mounted USB-A port and 3.5mm aux input
• 1" mounting hole required
•Easy screw in style installation

Viper 7654V (Requires Programming)

Responder LC3/HD Replacement Companion Remote Control Compatible with Viper 5501, 5901 and 7901

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Responder LC3/HD Replacement Companion Remote Control Compatible with Viper 5501, 5901 and 7901

• Replacement Companion Remote Control
• White and Black Design
• 5 Rubberized Buttons
• Super Code 1-Way LE Transmitter
• Confirms the Commands you Send to the Vehicle with Bright LEDs
• Uses the 2016 3V Round Lithium Battery

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List price $99.99
-30% $69.99

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• Replacement Companion Remote Control
• White and Black Design
• 5 Rubberized Buttons
• Super Code 1-Way LE Transmitter
• Confirms the Commands you Send to the Vehicle with Bright LEDs
• Uses the 2016 3V Round Lithium Battery

Kenwood CA-Y107MR

Y-Adapter Cable For Marine Remotes

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Y-Adapter Cable For Marine Remotes

• 14" Y-Cable • Proprietary 8-Pin Male Connector And Two Proprietary 8-Pin Female Connectors
• Allows you to add two Kenwood KCA-RC107MR Marine Wired Remotes To Your Compatible Kenwood Marine Headunit

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• 14" Y-Cable • Proprietary 8-Pin Male Connector And Two Proprietary 8-Pin Female Connectors
• Allows you to add two Kenwood KCA-RC107MR Marine Wired Remotes To Your Compatible Kenwood Marine Headunit

Limited time!

NVX XCW121RC

Recone Kit for XCW121 Subwoofers

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Recone Kit for XCW121 Subwoofers

• Kits are assembled to ensure perfect fitment and alignment
• Each kit includes all new soft moving parts
• Impedance: Dual 1-ohm
• CA glue adhesive is NOT included

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• Kits are assembled to ensure perfect fitment and alignment
• Each kit includes all new soft moving parts
• Impedance: Dual 1-ohm
• CA glue adhesive is NOT included

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NVX XTGSP2

Tone Generator and Speaker Polarity Tester

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Tone Generator and Speaker Polarity Tester

• Tone Generator • Speaker Polarity Tester
• Perfect Troubleshooting and Testing
• Output Range of 0-8 Volts
• Includes RCA and Alligator Clips
• 9V Speaker Popper • Auto Shutoff

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• Tone Generator • Speaker Polarity Tester
• Perfect Troubleshooting and Testing
• Output Range of 0-8 Volts
• Includes RCA and Alligator Clips
• 9V Speaker Popper • Auto Shutoff

Limited time!

NVX VAD22008 v2 (VAD22008v2)

2200W RMS Class D V-Series 8-Channel Car, Marine and Powersports Amplifier

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2200W RMS Class D V-Series 8-Channel Car, Marine and Powersports Amplifier

• 150 watts x 6 channel + 250 watts x 2 channels @ 4 ohm
• 225 watts x 6 channel + 400 watts x 2 channels @ 2 ohm
• Bridged: 450 watts x 3 channel + 850 watts x 1 channel @ 4 ohm
• Total RMS Power: 2200 watts
• Class D 2 ohm Stable 8-Channel Amplifier

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• 150 watts x 6 channel + 250 watts x 2 channels @ 4 ohm
• 225 watts x 6 channel + 400 watts x 2 channels @ 2 ohm
• Bridged: 450 watts x 3 channel + 850 watts x 1 channel @ 4 ohm
• Total RMS Power: 2200 watts
• Class D 2 ohm Stable 8-Channel Amplifier

XpressKit DLOADER4

OBD2 Plug-in Bluetooth DirectLoader Wireless Bootloader Programming Tool

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OBD2 Plug-in Bluetooth DirectLoader Wireless Bootloader Programming Tool

• OBD2 plug in Bluetooth wireless bootloader
• Combines XKLOADER2 and XKLOADER3 functionality
• Supports DS4 echosystem Bluetooth flashing
• Includes all harness and programming tools necessary

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• OBD2 plug in Bluetooth wireless bootloader
• Combines XKLOADER2 and XKLOADER3 functionality
• Supports DS4 echosystem Bluetooth flashing
• Includes all harness and programming tools necessary

Limited time!

XS Power XP950

950W 35 Ah Absorbent Glass Mat (AGM) Secondary Battery

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950W 35 Ah Absorbent Glass Mat (AGM) Secondary Battery

• 12-volt Absorbent Glass Mat (AGM) Secondary Battery
• Sealed Absorbent Glass Mat (AGM) design
• Perfect for 950W car audio stereo systems
• Compatible with most vehicle applications

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• 12-volt Absorbent Glass Mat (AGM) Secondary Battery
• Sealed Absorbent Glass Mat (AGM) design
• Perfect for 950W car audio stereo systems
• Compatible with most vehicle applications

Cobra RAD 480i

Radar and Laser Detector with Bluetooth and App Control

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Radar and Laser Detector with Bluetooth and App Control

• Multiple Band Radar and Laser Detector
• Long range detection
• 2nd generation false alarm filtering
• Built-in Digital Signal Processing (DSP)
• Sensitivity (SEN) button
• Defender database

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• Multiple Band Radar and Laser Detector
• Long range detection
• 2nd generation false alarm filtering
• Built-in Digital Signal Processing (DSP)
• Sensitivity (SEN) button
• Defender database

Belva BRT038

0/1 Gauge Ring Terminals, 3/8" Opening with Nickel Plated Brass - 5 Pieces (3 Red & 2 Black)

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0/1 Gauge Ring Terminals, 3/8" Opening with Nickel Plated Brass - 5 Pieces (3 Red & 2 Black)

• Ring Terminals
• 3/8" Opening
• 0/1 Gauge
• 3 Red & 2 Black • Nickel Plated
• Resealable Polybag

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List price $9.99
-50% $4.99

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• Ring Terminals
• 3/8" Opening
• 0/1 Gauge
• 3 Red & 2 Black • Nickel Plated
• Resealable Polybag

Viper 7756V

2-Way LCD Replacement Remote Control

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2-Way LCD Replacement Remote Control

• 2-Way Replacement Remote
• 5-Button Transmitter
• 1 Mile Range
• Color: Black

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List price $229.99
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• 2-Way Replacement Remote
• 5-Button Transmitter
• 1 Mile Range
• Color: Black

Stinger SPT5503

PRO Series Classic Banana Plug Dual Terminal w/ Shoc-Krome Plating and Black Plastic Clip (1/pack)

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PRO Series Classic Banana Plug Dual Terminal w/ Shoc-Krome Plating and Black Plastic Clip (1/pack)

• Accepts Up To 8 Gauge
• Dual Red Molded Design
• Compression Style Connection
• Expandable Quick Connection
• Shoc-Krome Plating

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• Accepts Up To 8 Gauge
• Dual Red Molded Design
• Compression Style Connection
• Expandable Quick Connection
• Shoc-Krome Plating

Install Bay PSP6

Complete ABS Port Tube Kit - 6" x 11" Port

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Complete ABS Port Tube Kit - 6" x 11" Port

• Complete Port Tube Kit
• 6" x 11" Port
• Achieve Greater Sound Pressure Levels with Less Distortion
• High Quality ABS Construction
• Mounting Hole Variations
• Designed in the U.S.A.

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• Complete Port Tube Kit
• 6" x 11" Port
• Achieve Greater Sound Pressure Levels with Less Distortion
• High Quality ABS Construction
• Mounting Hole Variations
• Designed in the U.S.A.

Rockford Fosgate Prime R2 R2-1200X1

1200W RMS Class D Prime Series Monoblock Car Amplifier

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1200W RMS Class D Prime Series Monoblock Car Amplifier

• 400 watts x 1 channel @ 4 ohm
• 800 watts x 1 channel @ 2 ohm
• Total RMS Power: 1200 watts
• Class D 1 ohm Stable Monoblock Amplifier

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Available Offers (2) for Rockford Fosgate Prime R2 R2-1200X1
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XS Power XP750

750W 22 Ah Absorbent Glass Mat (AGM) Secondary Battery

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750W 22 Ah Absorbent Glass Mat (AGM) Secondary Battery

• 12-volt Absorbent Glass Mat (AGM) Secondary Battery
• Sealed Absorbent Glass Mat (AGM) design
• Perfect for 750W car audio stereo systems
• Compatible with most vehicle applications

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Select Increments Versa-Pods (52308)

Empty Pair 4" Universal Speaker Pods

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Empty Pair 4" Universal Speaker Pods

• Empty Single 4" Universal Speaker Pods
• Durable ABS plastic enclosure construction
• Versatile use for cars, motorcycles, and extreme terrain vehicles

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• Empty Single 4" Universal Speaker Pods
• Durable ABS plastic enclosure construction
• Versatile use for cars, motorcycles, and extreme terrain vehicles

Escort MAX 360 MKII

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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$549.95

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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

JL Audio 13W7AE-D1.5

1500W RMS 13.5” W7AE Series Dual 1.5-ohm Car Subwoofer

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1500W RMS 13.5” W7AE Series Dual 1.5-ohm Car Subwoofer


• RMS Power: 1500 watts
• Impedance: Dual 1.5 ohm
• Polypropylene Cone
• Polyester Foam Surround
• Mount depth: 10.50"
• Sensitivity: 86.3 dB

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Belva 1.0 Farad Capacitor

1.0 Farad Capacitor with Digital Red Display

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1.0 Farad Capacitor with Digital Red Display

• 1.0 Farad Power Capacitor
• Perfect for Systems up to 1000 Watts
• Audible Warning
• Red Voltage Display
• Mounting Brackets Included

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• 1.0 Farad Power Capacitor
• Perfect for Systems up to 1000 Watts
• Audible Warning
• Red Voltage Display
• Mounting Brackets Included

Escort MAX 360c MKII (360cmkii)

Radar and Laser Detector with Wi-Fi, GPS, Bluetooth, and App Control

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Radar and Laser Detector with Wi-Fi, GPS, Bluetooth, and App Control

• Multi Band Radar and Laser Detector
• Works with Apple CarPlay and Android Auto
• AutoLearn Intelligence GPS-based technology
• Dual-band Wi-Fi for software updates
• True 360-degree awareness
• Variable speed sensitivity
• Supports Drive Smarter software
• M2 and Shifter compatible

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• Multi Band Radar and Laser Detector
• Works with Apple CarPlay and Android Auto
• AutoLearn Intelligence GPS-based technology
• Dual-band Wi-Fi for software updates
• True 360-degree awareness
• Variable speed sensitivity
• Supports Drive Smarter software
• M2 and Shifter compatible

Limited time!

NVX XW0WH20

20 ft 1/0-Gauge EnvyFlex True Spec Oxygen-Free Copper Power and Ground Wire (White)

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20 ft 1/0-Gauge EnvyFlex True Spec Oxygen-Free Copper Power and Ground Wire (White)

• 20 feet 1/0 gauge Power and Ground Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: White

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• 20 feet 1/0 gauge Power and Ground Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: White

JL Audio 12TW3-D4

400W RMS 12" TW3 Series Dual 4-ohm Shallow Subwoofer

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400W RMS 12" TW3 Series Dual 4-ohm Shallow Subwoofer

• RMS Power: 400 watts
• Impedance: Dual 4 ohm
• Mica Injected Polypropylene - MIPP Cone
• Rubber Surround
• Mount depth: 3.5"
• Sensitivity: 84.11 dB

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Belva BRT438

4 Gauge Ring Terminals, 3/8" Opening with Nickel Plated Brass - 5 Pieces (3 Red & 2 Black)

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4 Gauge Ring Terminals, 3/8" Opening with Nickel Plated Brass - 5 Pieces (3 Red & 2 Black)

• Ring Terminals
• 3/8" Opening
• 4 Gauge
• 3 Red & 2 Black
• Nickel Plated
• Resealable Polybag

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• Ring Terminals
• 3/8" Opening
• 4 Gauge
• 3 Red & 2 Black
• Nickel Plated
• Resealable Polybag

Infinity Reference 10001A (AMPRF10001AAM)

1000W Reference Class D Reference Series Monoblock Car Amplifier with Remote Bass

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1000W Reference Class D Reference Series Monoblock Car Amplifier with Remote Bass

• 600 watts x 1 channel @ 4 ohm
• 1000 watts x 1 channel @ 2 ohm
• Total RMS Power: 1000 watts
• Class D 2 ohm Stable Monoblock Amplifier

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-12% $499.95

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Wet Sounds WW-8CH-LD

8-Channel Line Driver with Remote Controller and LED Signal

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8-Channel Line Driver with Remote Controller and LED Signal

• 8-Channel line driver with remote controller
• 4 pairs of adjustable outputs
• Remote level adjustments of Ch 5/6 and Ch 7/8
• Dual color LEDs for signal level monitoring and setup
• Sealed construction designed for marine applications

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$199.99

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• 8-Channel line driver with remote controller
• 4 pairs of adjustable outputs
• Remote level adjustments of Ch 5/6 and Ch 7/8
• Dual color LEDs for signal level monitoring and setup
• Sealed construction designed for marine applications

DS18 PRO-GRILL6MS/BK

Universal Shallow Mesh Grille for Most 6.5" Speakers (Black)

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Universal Shallow Mesh Grille for Most 6.5" Speakers (Black)

• 6.5" universal shallow mesh speaker grill
• Fits speakers and midranges
• Bolt-on easy installation
• Slim and shallow design
• Painted in matte black
• Sold individually/per piece

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List price $17.99
-17% $14.95

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• 6.5" universal shallow mesh speaker grill
• Fits speakers and midranges
• Bolt-on easy installation
• Slim and shallow design
• Painted in matte black
• Sold individually/per piece

Energie PR4800

12V 110Ah Absorbent Glass Mat (AGM) Car Battery

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12V 110Ah Absorbent Glass Mat (AGM) Car Battery

• 12-volt Absorbent Glass Mat Car Audio Battery
• Sealed Absorbent Glass Mat (AGM) design
• Perfect for 4800W car audio stereo systems
• Left positive terminal

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• 12-volt Absorbent Glass Mat Car Audio Battery
• Sealed Absorbent Glass Mat (AGM) design
• Perfect for 4800W car audio stereo systems
• Left positive terminal

Scosche UAKP

Universal Amp KwikPlug 8-Gauge Amplifier Quick Disconnect

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Universal Amp KwikPlug 8-Gauge Amplifier Quick Disconnect

• Accepts up to 8-Gauge
• Power, Ground and Remote Quick Disconnect
• Can be used for Subwoofer Quick Disconnect

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• Accepts up to 8-Gauge
• Power, Ground and Remote Quick Disconnect
• Can be used for Subwoofer Quick Disconnect

Alpine RUE-4360

Wireless Audio Remote Control for Remote-Ready Alpine Stereos

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Wireless Audio Remote Control for Remote-Ready Alpine Stereos

• Wireless remote control for remote-ready Alpine stereos
• 20 soft push-buttons for variety of control functions
• Siri voice assistant activation on paired iPhone
• Voice recognition mode when paired with other smartphones
• Utilizes IR (Infrared) to send commands wirelessly

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• Wireless remote control for remote-ready Alpine stereos
• 20 soft push-buttons for variety of control functions
• Siri voice assistant activation on paired iPhone
• Voice recognition mode when paired with other smartphones
• Utilizes IR (Infrared) to send commands wirelessly

AudioControl LC-5.1300

1300W RMS Class D LC Series 5-Channel Car Amplifier with AccuBass

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1300W RMS Class D LC Series 5-Channel Car Amplifier with AccuBass

• 100 watts x 4 channel + 300 watts x 1 channel @ 4 ohm
• 200 watts x 4 channel + 500 watts x 1 channel @ 2 ohm
• Bridged: 400 watts x 2 channel @ 4 ohm + 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 1300 watts
• Class D 2 ohm Stable 5-Channel Amplifier

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NVX XCAP1F

True 1.0 Farad 20V Capacitor with Digital Read-out, Built-in Distribution Block

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True 1.0 Farad 20V Capacitor with Digital Read-out, Built-in Distribution Block

• For Systems Up To 1200 Watts
• Bright Blue LED Voltage Display
• Improves Bass Response (SPL)

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15% off an NVX XCAP1F w/ Select Amp Kits Add a qualifying amplifier to your cart and save 15% on the NVX XCAP1F Capacitor! No code needed — discount applies automatically at checkout.
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• For Systems Up To 1200 Watts
• Bright Blue LED Voltage Display
• Improves Bass Response (SPL)

Wet Sounds ST-ADP-SLIDER BRACKET

Slider Mounting Bracket for Stealth HD and XT Soundbars

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Slider Mounting Bracket for Stealth HD and XT Soundbars

• Slider mounting bracket for Stealth HD and XT soundbars
• CNC'd from billet aluminum for extra durability
• Allows adjusting of soundbar mounting width
• Includes brackets, bolts, lock-washers, and flat-washers (2 each)

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• Slider mounting bracket for Stealth HD and XT soundbars
• CNC'd from billet aluminum for extra durability
• Allows adjusting of soundbar mounting width
• Includes brackets, bolts, lock-washers, and flat-washers (2 each)

Directed 504D

Stinger DoubleGuard Shock Sensor

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Stinger DoubleGuard Shock Sensor

• Stinger DoubleGuard Shock Sensor
• Adjustable Sensitivity
• Wire Harness Included

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• Stinger DoubleGuard Shock Sensor
• Adjustable Sensitivity
• Wire Harness Included

Metra 44-EC144 Antenna Extension

12 ft. (144") Antenna Extension Cable with Impedance Matching Capacitors

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12 ft. (144") Antenna Extension Cable with Impedance Matching Capacitors

• Extension cable perfect when installing an FM modulated multi-disc CD changer, or other FM modulated tuner like a Satellite Radio box
• Also works with hideaway "brain" units from multimedia receivers

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• Extension cable perfect when installing an FM modulated multi-disc CD changer, or other FM modulated tuner like a Satellite Radio box
• Also works with hideaway "brain" units from multimedia receivers

PAC AVS21

Two-Way Audio/Video RCA Switcher

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Two-Way Audio/Video RCA Switcher

• Switchable Positive or Negative Trigger
• Slim and Compact Design
• Plug and Play Connection

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• Switchable Positive or Negative Trigger
• Slim and Compact Design
• Plug and Play Connection

NVX - Worth the Envy - Direct to Consumer Car Audio

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    FAQ for Universal-Fit Audio & Electronics in 1973 Riviera

    Q: Can I upgrade or change the Universal-Fit Audio & Electronics in 1973 Buick Riviera?

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

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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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    • Installation is smoother, faster, and frustration-free
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    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.