Garage
Shop

1971 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 1971 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.

Loading...
Filters

We are sorry, no available results!

filter-icon Filters & Sort
Limited time!

Alpine Status HDP-D90

720W RMS Class D Status Series 12-Channel Hi-Res DSP Amplifier

HDP-D90 big
Go to item page Right Arrow Icon of Right Arrow

720W RMS Class D Status Series 12-Channel Hi-Res DSP Amplifier

• 50 watts x 8 channel + 80 watts x 4 channel @ 4 ohm
• Total RMS Power: 720 watts
• Class D 4 ohm Stable 12-Channel Digital Sound Processor Amplifier
• High-resolution (Hi-Res) audio playback
• Selectable pre-configured sound system configurations
• Embedded RTA signals for customized sound tuning
• Bluetooth audio streaming with included external module

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $200.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

1
List price $3480.00
Save 43%
-43% $1,999.95

In stock

• 50 watts x 8 channel + 80 watts x 4 channel @ 4 ohm
• Total RMS Power: 720 watts
• Class D 4 ohm Stable 12-Channel Digital Sound Processor Amplifier
• High-resolution (Hi-Res) audio playback
• Selectable pre-configured sound system configurations
• Embedded RTA signals for customized sound tuning
• Bluetooth audio streaming with included external module

Stinger SI421.5

1.5 ft. of 2-Channel 4000 Series RCA Interconnect Cable

SI421.5 big
Go to item page Right Arrow Icon of Right Arrow

1.5 ft. of 2-Channel 4000 Series RCA Interconnect Cable

• 2-Channel 4000 Series RCA Interconnect Cable
• 1-1/2 ft. Cable Length
• Stinger Audiophile Grade
• Twisted Pair Construction
• Clear Protective Jacket
• Compact Connector Design
• Split-Tip Connector

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

14
List price $19.00
-47% $9.99

In stock

• 2-Channel 4000 Series RCA Interconnect Cable
• 1-1/2 ft. Cable Length
• Stinger Audiophile Grade
• Twisted Pair Construction
• Clear Protective Jacket
• Compact Connector Design
• Split-Tip Connector

Metra 44-EC18 Antenna Extension

18" Universal Antenna Extension Cable

44-EC18 big
Go to item page Right Arrow Icon of Right Arrow

18" Universal Antenna Extension Cable

Universal Antenna Extender • Extends Antenna 18" (1.5 ft.)

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $11.99
-17% $9.99

Available

Ships in 10-14 days

Universal Antenna Extender • Extends Antenna 18" (1.5 ft.)

Limited time!

NVX XUBT4 Universal Bluetooth Receiver and Remote Control

X Series Marine Grade Bluetooth Audio Controller/Receiver with Membrane Switchpad for Cars, Trucks, Motorcycles, ATVs & Boats (X-Series)

XUBT4 big
Go to item page Right Arrow Icon of Right Arrow

X Series Marine Grade Bluetooth Audio Controller/Receiver with Membrane Switchpad for Cars, Trucks, Motorcycles, ATVs & Boats (X-Series)

• Marine Grade Bluetooth Audio Controller/Receiver
• Designed for marine and powersports applications
• Bluetooth version 4.0
• Delivers CD-like sound quality wirelessly
• Membrane Switchpad

Independance Deals Save 10% at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

10
List price $62.49
-20% $49.99

In stock

Used from: $42.99

• Marine Grade Bluetooth Audio Controller/Receiver
• Designed for marine and powersports applications
• Bluetooth version 4.0
• Delivers CD-like sound quality wirelessly
• Membrane Switchpad

Wet Sounds ST-ADP-RND 1.75

Mounting Clamps for Stealth Soundbars with 1.75" Round Tubing

ST-ADP-RND 1.75 big
Go to item page Right Arrow Icon of Right Arrow

Mounting Clamps for Stealth Soundbars with 1.75" Round Tubing

• Mounting clamp for Stealth soundbars with 1.75" round tubing
• Allows soundbar mounting to the roll cage or tower tubing
• CNC'd from billet aluminum for extra durability
• Includes mounting hardware

Shipping Credit Applied
shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

2
$37.99

In stock

Only 2 Left!

• Mounting clamp for Stealth soundbars with 1.75" round tubing
• Allows soundbar mounting to the roll cage or tower tubing
• CNC'd from billet aluminum for extra durability
• Includes mounting hardware

Metra 40-UV43 Antenna Adapter

Connect your factory antenna to a new aftermarket radio

40-UV43 big
Go to item page Right Arrow Icon of Right Arrow

Connect your factory antenna to a new aftermarket radio

• Antenna Adapter for Vehicles with Two Antennas
• 1 Male to 2 Female

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

8
List price $16.99
-18% $13.99

In stock

Only 3 Left!

• Antenna Adapter for Vehicles with Two Antennas
• 1 Male to 2 Female

Atrend 12TKDV

Empty Dual 12" Truck Vented Subwoofer Enclosure

12TKDV big
Go to item page Right Arrow Icon of Right Arrow

Empty Dual 12" Truck Vented Subwoofer Enclosure

• 12" Dual Truck Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Miter and Dado construction
• Premium carpet finish
• Silver spring loaded terminal cups
• Glued and braced with fasteners
• Total box volume: 0.69 cubic feet

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

3
List price $209.99
-29% $149.95

In stock

Only 1 Left!

Install Bay 2" Square Terminal Cup (TCSBG2)

Square Binding Post with Gold Terminals for Subwoofer and Speaker Boxes

TCSBG2 big
Go to item page Right Arrow Icon of Right Arrow

Square Binding Post with Gold Terminals for Subwoofer and Speaker Boxes

• Universal square terminal cup for speaker and subwoofer boxes
• Gold-plated contacts improve signal transfer
• Installation is a breeze
• Rear connections secure with nuts
• Thumbscrew binding posts secure the connection

shipping truck icon Free shipping in USA. Provide zip for delivery date.
4
List price $7.99
-13% $6.99

In stock

Only 1 Left!

• Universal square terminal cup for speaker and subwoofer boxes
• Gold-plated contacts improve signal transfer
• Installation is a breeze
• Rear connections secure with nuts
• Thumbscrew binding posts secure the connection

Viper D9957V

2-Way 5-Button Remote Start and Car Alarm LED Transmitters

D9957V big
Go to item page Right Arrow Icon of Right Arrow

2-Way 5-Button Remote Start and Car Alarm LED Transmitters

• 2-Way 5-Button Remote Start and Car Alarm LED Transmitters
• Includes (1) 2-way LED transmitter and (1) 1-way transmitter
• 1 mile range
• Compatible with Viper DS4 and DS4P security systems

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $30.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $399.99
-25% $299.99

In stock

Only 2 Left!

• 2-Way 5-Button Remote Start and Car Alarm LED Transmitters
• Includes (1) 2-way LED transmitter and (1) 1-way transmitter
• 1 mile range
• Compatible with Viper DS4 and DS4P security systems

Atrend 12DM

Empty Dual 12" Medium Sealed Subwoofer Enclosure

12DM big
Go to item page Right Arrow Icon of Right Arrow

Empty Dual 12" Medium Sealed Subwoofer Enclosure

• 12" Dual Medium Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Miter and Dado construction
• Premium carpet finish
• Silver spring loaded terminal cups
• Glued and braced with fasteners
• Total box volume: 2.36 cubic feet

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $149.99
-27% $109.99

In stock

Only 1 Left!

Rockford Fosgate R2-1200X1 with Amplifier Wiring Kit

Rockford Fosgate 1200W Monoblock Amplifier

R2-1200X1, XKIT42 big
Go to item page Right Arrow Icon of Right Arrow

Rockford Fosgate 1200W Monoblock Amplifier

• 400 Watts RMS x 1 @ 4 ohm
• 800 Watts RMS x 1 @ 2 ohm
• 1200 Watts RMS x 1 @ 1 ohm
• CEA-2006 Compliant
• R.L.C. Remote Level Control
• Includes Amplifier Wiring Kit

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

149
List price $593.98
-11% $530.20

In stock

• 400 Watts RMS x 1 @ 4 ohm
• 800 Watts RMS x 1 @ 2 ohm
• 1200 Watts RMS x 1 @ 1 ohm
• CEA-2006 Compliant
• R.L.C. Remote Level Control
• Includes Amplifier Wiring Kit

AmmoTenna ARMMO20

20" Universal Arrow-Style Replica Antenna Mast with Adaptors (Mossy Oak)

ARMMO20 big
Go to item page Right Arrow Icon of Right Arrow

20" Universal Arrow-Style Replica Antenna Mast with Adaptors (Mossy Oak)

• 20" Universal arrow-style replica antenna mast
• Made with durable fiberglass construction
• Includes 9 adapters and 2 rubber washers
• Simple screw-on installation, requires no vehicle modification
• Antenna mast color/design: Mossy Oak

shipping truck icon Free shipping in USA. Provide zip for delivery date.
Universal Icon
Universal – fits most vehicles.
Shop similar products or Update vehicle
List price $29.99
-10% $26.99

Available

Ships in 10-14 days

• 20" Universal arrow-style replica antenna mast
• Made with durable fiberglass construction
• Includes 9 adapters and 2 rubber washers
• Simple screw-on installation, requires no vehicle modification
• Antenna mast color/design: Mossy Oak

Kicker DL7S122 (44DL7S122)

3000W Peak (1500W RMS) Loaded Dual 12" Vented Enclosure

DL7S122 big
Go to item page Right Arrow Icon of Right Arrow

3000W Peak (1500W RMS) Loaded Dual 12" Vented Enclosure

• Ported enclosure with 2 12" Solo-Baric L7S Series Subwoofer
• 1500 watts RMS (3000 watts Peak)
• Final Impedance: 2-ohm
• Dimensions: 33-3/4" L x 16" H x 16-1/4" W x 19-1/2" W2

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $85.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

14
List price $949.99
-11% $849.99

In stock

Atrend 10TKLV

Empty Single 10" Truck Large Vented Subwoofer Enclosure

10TKLV big
Go to item page Right Arrow Icon of Right Arrow

Empty Single 10" Truck Large Vented Subwoofer Enclosure

• 10" Single Truck Large Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Universal truck (wedge) enclosure design
• Miter and Dado construction
• Premium carpet finish
• Silver spring loaded terminal cups
• Glued and braced with fasteners
• Total box volume: 0.51 cubic feet

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

3
List price $159.99
-21% $125.99

In stock

Only 2 Left!

Kicker L7S122 (44L7S122)

1500W Peak (750W RMS) 12” Solo-Baric L7S Series Dual 2-ohm Subwoofer

L7S122 big
Go to item page Right Arrow Icon of Right Arrow

1500W Peak (750W RMS) 12” Solo-Baric L7S Series Dual 2-ohm Subwoofer

• Peak Power: 1500 watts
• RMS Power: 750 watts
• Impedance: Dual 2 ohm
• Injection Molded Polypropylene Cone
• Ribbed Santoprene Surround
• Mount depth: 6 13/16"
• Sensitivity: 86.90 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

7
List price $409.99
-7% $379.99

In stock

Tru Spec 6.5" Speaker Rings

6.5" MDF Speaker Rings (1 Pair) Tru Spec Series (Made in the USA)

6.5 ring big
Go to item page Right Arrow Icon of Right Arrow

6.5" MDF Speaker Rings (1 Pair) Tru Spec Series (Made in the USA)

• Material: 0.75" MDF
• Inner Diameter: 5.85"
• Outer Diameter: 7.5"

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $12.99
-46% $6.99

In stock

Only 1 Left!

• Material: 0.75" MDF
• Inner Diameter: 5.85"
• Outer Diameter: 7.5"

Stinger SPF52200

Platinum Plated ANL 200 Amp Fuse

Go to item page Right Arrow Icon of Right Arrow

Platinum Plated ANL 200 Amp Fuse

• High Conductivity Platinum Plating
• Maximum Current Transfer
• 200 Amp Rating
• ANL Style Fuse
• 1 Pack

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

• High Conductivity Platinum Plating
• Maximum Current Transfer
• 200 Amp Rating
• ANL Style Fuse
• 1 Pack

Stinger SI623

3 Ft 2-Channel 6000 Series Audiophile Grade RCA Interconnect Cable

SI623 big
Go to item page Right Arrow Icon of Right Arrow

3 Ft 2-Channel 6000 Series Audiophile Grade RCA Interconnect Cable

• 2-Channel 6000 Series RCA Interconnect Cable
• 3 ft. Cable Length
• Stinger Audiophile Grade
• Twisted Pair Construction
• Blue Protective Jacket
• Mylar Shielding
• Split-Tip Connector
• Molded Strain Reliefs

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

10
List price $39.00
-56% $16.99

In stock

• 2-Channel 6000 Series RCA Interconnect Cable
• 3 ft. Cable Length
• Stinger Audiophile Grade
• Twisted Pair Construction
• Blue Protective Jacket
• Mylar Shielding
• Split-Tip Connector
• Molded Strain Reliefs

NVX VAD8402 v2 (VAD8402v2)

840W RMS Class D VAD Series 2-Channel Full-Range Car/Marine/Powersports Amplifier

VAD8402v2 big
Go to item page Right Arrow Icon of Right Arrow

840W RMS Class D VAD Series 2-Channel Full-Range Car/Marine/Powersports Amplifier

• 300 watts x 2 channel @ 4 ohm
• 420 watts x 2 channel @ 2 ohm
• Bridged: 840 watts x 1 channel @ 4 ohm
• Total RMS Power: 840 watts
• Class D 2 ohm Stable 2-Channel Amplifier

2+ offers available
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $23.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

17
List price $275.99
-17% $229.99

In stock.

Continue to cart

Available Offers (2) for NVX VAD8402 v2 (VAD8402v2)
Offer image
Independance Deals Save 10% at Checkout!
List price $275.99
-17% $229.99
$206.99 with coupon | Price details
2026-07-12 23:59:00
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.
Used from: $159.99

JL Audio MLC-RW

Marine RGB Lighting Controller

MLC-RW big
Go to item page Right Arrow Icon of Right Arrow

Marine RGB Lighting Controller

• Works with your JL Audio LED speakers
• Control lighting colors and the intensity of your lighting
• Compact system can be installed in almost any application
• Built-in over-current and short-circuit protection
• Built-in voltage and temperature monitoring

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $35.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

1
$349.99

In stock

Only 1 Left!

Used from: $299.99

Items per page: 20 40 60

    Clear all
    why-shoping-with-sonic

    We love people and we're ready to help you! See what separates us from our competition.

    Take advantage of our VIP rewards like 10% back on your purchases, free 2-day shipping, extended warranties, and free returns! Gain access to all of these rewards without any membership fees.
    Get great discounted (and possibly FREE) installation accessories with most car stereo purchases. This includes dash kits, wiring harnesses and antenna adapters that you will need to properly install your new car stereo.
    We are an Authorized Dealer for all the brands we sell, including the most premium brands in car and marine audio such as Hertz, JL Audio, NVX, Rockford Fosgate, Kicker, Alpine, Kenwood and many more.
    Shop Deals and get up to 30% off premium brands! Shop Now! We are always looking out for the best products and deals to offer our customers. Don’t pay too much by shopping elsewhere!
    We have information on brands, gear, and more for you to explore! Check out our YouTube Channel for helpful how-to videos, product reviews, and Q&As. For a more detailed look, also visit our Learning Center!
    Our trained experts are here to assist you! They are just a phone call or click away to help you get the right gear for you and your vehicle!
    Why Shop With Us?
    FAQ for Universal-Fit Audio & Electronics in 1971 Riviera

    Q: Can I upgrade or change the Universal-Fit Audio & Electronics in 1971 Buick Riviera?

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

    Save up to 10 different vehicles in your garage
    Vehicle
    Store
    Delete

    1990 Toyota Tercel

    2006 Chrysler 300

    1971 Buick Riviera

    2016 Nissan NV200

    1991 Porsche 944 S2

    1993 Oldsmobile Bravada

    2004 Audi A6 Quattro

    2013 Infiniti G

    1995 GMC Safari

    1974 Mazda B Series

    Vehicle
    Store
    Delete

    2009 Harley Davidson FLHT Electra Glide Standard

    Add vehicle Clear all vehicles
    Where to find vehicle info
    Are you sure you want to clear your garage?
    This action cannot be undone. Confirm
    This category was not designed for products.
    If you continue, you will be redirected to a category customized for your vehicle. Continue
    Loading...
    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
    Car Info Side Door Icon
    Vehicle Registration Icon
    Vehicle Insurance Icon

    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.