Garage
Shop

1978 Buick Century

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 1978 Buick Century

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
You Recently Chose:

We are sorry, no available results!

You Recently Chose:

filter-icon Filters & Sort

Stinger SPXRGBUBKIT8

8-Piece Underbody RGB LED Light Kit

SPXRGBUBKIT8 big
Go to item page Right Arrow Icon of Right Arrow

8-Piece Underbody RGB LED Light Kit

• 8-way RGB LED Underbody Light Kit
• IP65 water-resistant rating
• Bright CREE light pods
• Controllable LED colors and patterns via Android or iOS app

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

VIP Product Get $29.90 in rewards to spend later

Universal Icon
Universal – fits most vehicles.
Shop similar products or Update vehicle
List price $429.00
-30% $299.00

Available

Ships in 10-14 days

• 8-way RGB LED Underbody Light Kit
• IP65 water-resistant rating
• Bright CREE light pods
• Controllable LED colors and patterns via Android or iOS app

Crux CSV-01B

Universal Fender Mount Side View Camera (Black)

CSV-01B big
Go to item page Right Arrow Icon of Right Arrow

Universal Fender Mount Side View Camera (Black)

• Universal Fender Mount Side View Camera
• Mounting Style: Fender Mount
• Resolution: 976 x 496 (600TV lines)
• Camera Housing Color: Black

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 $149.95
-38% $92.95

In stock.

• Universal Fender Mount Side View Camera
• Mounting Style: Fender Mount
• Resolution: 976 x 496 (600TV lines)
• Camera Housing Color: Black

Axxess AXFD-5V

12V to 5V Step Down Interface for Ford, Lincoln, and Mercury Vehicles

AXFD-5V big
Go to item page Right Arrow Icon of Right Arrow

12V to 5V Step Down Interface for Ford, Lincoln, and Mercury Vehicles

• 12-volt to 5-volt Step-Down Interface
• Fixes audible 'pop' when aftermarket stereo turns on factory amplifier
• Designed for use in Ford, Lincoln, and Mercury vehicles

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 $31.99
-13% $27.99

In stock

Only 3 Left!

• 12-volt to 5-volt Step-Down Interface
• Fixes audible 'pop' when aftermarket stereo turns on factory amplifier
• Designed for use in Ford, Lincoln, and Mercury vehicles

Limited time!

Alpine R2-W10D2

2250W Peak (750W RMS) 10" R2-Series Dual 2-ohm Car Subwoofer

R2-W10D2 big
Go to item page Right Arrow Icon of Right Arrow

2250W Peak (750W RMS) 10" R2-Series Dual 2-ohm Car Subwoofer

• Peak Power: 2250 watts
• RMS Power: 750 watts
• Impedance: Dual 2 ohm
• Kevlar Reinforced Pulp Paper Cone
• High-Amplitude Multi-Roll (HAMR) Surround
• Mount depth: 5.92"
• Sensitivity: 82.3 dB

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

VIP Product Get $32.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

3
List price $480.00
Save $160.05
-33% $319.95

In stock

XS Power D4800

2000W 72 Ah Absorbent Glass Mat (AGM) Battery

D4800 big
Go to item page Right Arrow Icon of Right Arrow

2000W 72 Ah Absorbent Glass Mat (AGM) Battery

• 12-volt Absorbent Glass Mat (AGM) Battery
• Sealed Absorbent Glass Mat (AGM) design
• Perfect for 2000W car audio stereo systems
• Compatible with most vehicle applications

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

VIP Product Get $40.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

13
List price $469.99
-15% $399.99

In stock

NVX XCAMLP

High Resolution License Plate Frame Backup Camera

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

High Resolution License Plate Frame Backup Camera

• Universal Rear View Backup Camera
• Mounting Style: Full License Plate Frame
• Viewing Angle: 170 °
• Resolution: 720 x 480 
• Waterproof: Yes
• Night vision: LED's

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

51
List price $59.99
-17% $49.99

In stock

Used from: $29.99

• Universal Rear View Backup Camera
• Mounting Style: Full License Plate Frame
• Viewing Angle: 170 °
• Resolution: 720 x 480 
• Waterproof: Yes
• Night vision: LED's

Install Bay IBVSTABL

12V 2A DC-DC Voltage Converter Stabilizer

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

12V 2A DC-DC Voltage Converter Stabilizer

• Voltage converter stabilizer
• Input voltage: DC 8 volts - 40 volts
• Output voltage: DC 12 volts
• Maximum output current: 2 amps

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 $56.99
-11% $50.99

In stock

• Voltage converter stabilizer
• Input voltage: DC 8 volts - 40 volts
• Output voltage: DC 12 volts
• Maximum output current: 2 amps

MB Quart SWVL-1B (SWVL1B)

Matte Black Swivel Bracket for MB Quart NT1, NT2, NHT1 Wake Tower/Pod Speakers (Individual)

SWVL-1B big
Go to item page Right Arrow Icon of Right Arrow

Matte Black Swivel Bracket for MB Quart NT1, NT2, NHT1 Wake Tower/Pod Speakers (Individual)

• Swivel Mount for MB Quart Speakers
• Fits NT1, NT2, NHT1 Speakers
• Lock Nut Secures Adjustments
• Attaches Between Speaker Pod and Mounting Bracket
• Sold Individually

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 $37.99
-11% $33.99

In stock

Only 1 Left!

• Swivel Mount for MB Quart Speakers
• Fits NT1, NT2, NHT1 Speakers
• Lock Nut Secures Adjustments
• Attaches Between Speaker Pod and Mounting Bracket
• Sold Individually

Limited time!

Kicker DCWR122 (48DCWR122)

2000W Peak (1000W RMS) Loaded Dual 12" Vented Enclosure

DCWR122 big
Go to item page Right Arrow Icon of Right Arrow

2000W Peak (1000W RMS) Loaded Dual 12" Vented Enclosure

• Ported enclosure with 2 12" CompR Series Subwoofer
• 1000 watts RMS (2000 watts Peak)
• Final Impedance: 2-ohm
• Dimensions: 32-3/8" L x 16" H x 14" W x 17-1/4" W2

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
List price $599.99
Save $160.03
-27% $439.96

In stock

Only 3 Left!

NVX XPLOC2

2-Channel 300W Adjustable Line Output Converter with Remote Turn On

XPLOC2 big
Go to item page Right Arrow Icon of Right Arrow

2-Channel 300W Adjustable Line Output Converter with Remote Turn On

• 2-Channel Premium Adjustable Line Output Converter
• 3:1 Step Down With Adjustable Output
• 300w Total Maximum Input (150w Per Channel)
• Super Low Distortion

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

49
List price $24.99
-28% $17.99

In stock

Used from: $12.99 Like New from: $22.17

• 2-Channel Premium Adjustable Line Output Converter
• 3:1 Step Down With Adjustable Output
• 300w Total Maximum Input (150w Per Channel)
• Super Low Distortion

PAC AVS21

Two-Way Audio/Video RCA Switcher

AVS21 big
Go to item page Right Arrow Icon of Right Arrow

Two-Way Audio/Video RCA Switcher

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

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 $149.00
-58% $61.99

Available

Ships in 10-14 days

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

BOYO Vision VTM43TCA

Replacement Rear-View Mirror with 4.3" Backup Camera Monitor, Auto-Dimming, and Temperature Compass Display

VTM43TCA big
Go to item page Right Arrow Icon of Right Arrow

Replacement Rear-View Mirror with 4.3" Backup Camera Monitor, Auto-Dimming, and Temperature Compass Display

• Rear View Mirror with Backup Camera Monitor
• Built-in auto-dimming, temperature, and compass display
• Monitor Screen Size: 4.3"
• Monitor Screen Type: TFT LCD

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

VIP Product Get $42.12 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

1
List price $468.00
-10% $421.20

In stock.

• Rear View Mirror with Backup Camera Monitor
• Built-in auto-dimming, temperature, and compass display
• Monitor Screen Size: 4.3"
• Monitor Screen Type: TFT LCD

Shuriken SK-BT80-BX

Battery Box for SK-BT80

SK-BT80-BX big
Go to item page Right Arrow Icon of Right Arrow

Battery Box for SK-BT80

• Made with heavy-gauge steel
• Box is universal
• High quality at an affordable price
• Bottom of the boxes have predrilled flanges

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

1
List price $48.99
-10% $43.99

In stock

Only 2 Left!

• Made with heavy-gauge steel
• Box is universal
• High quality at an affordable price
• Bottom of the boxes have predrilled flanges

JL Audio 12W0v3-4

300W RMS 12" W0v3 Series Single 4-ohm Car Subwoofer

12W0v3-4 big
Go to item page Right Arrow Icon of Right Arrow

300W RMS 12" W0v3 Series Single 4-ohm Car Subwoofer

• RMS Power: 300 watts
• Impedance: Single 4 ohm
• Polypropylene Cone
• Foam Surround
• Mount depth: 5.40"
• Sensitivity: 85.64 dB

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

VIP Product Get $16.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

57
$159.99

In stock

Used from: $135.99

NVX XKIT84

Full Spec 8 Gauge 100% (OFC) Oxygen Free Copper Complete 4-Channel Amplifier Wiring Kit with RCA for Amplifiers up to 800 Watts

XKIT84 big
Go to item page Right Arrow Icon of Right Arrow

Full Spec 8 Gauge 100% (OFC) Oxygen Free Copper Complete 4-Channel Amplifier Wiring Kit with RCA for Amplifiers up to 800 Watts

• Complete 8 Gauge Amplifier Installation Kit
• For Amplifiers Up To 800 Watts RMS
• 100% (OFC) Oxygen Free Copper
• Dual Twisted Pair 4-Channel RCA Cable
• Tinned conductors for corrosion resistance
• Pre-terminated seamless power and ground ring terminals
• ANL/Mini-ANL Fuse Holder with 60 amp fuse
• CEA-2015 and BC5W2 Compliant

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

VIP Product Get $8.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

39
List price $107.99
-26% $79.99

In stock

Continue to cart

Available Offers (3) for NVX XKIT84
FREE NVX Amp Kit at Checkout!
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.
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.
Limited time!

Belva BATENT2

Dual Knob Dual Surface Mount Housing Pod for use with BAWPL, BA2USB, BAVTM

BATENT2 big
Go to item page Right Arrow Icon of Right Arrow

Dual Knob Dual Surface Mount Housing Pod for use with BAWPL, BA2USB, BAVTM

• Dual Knob Dual Surface Mount Housing Pod
• Mounting Option For use with: BAWPL, BA2USB, BAVTM
• Color: Black

Dads & Grads Sale! Save 15% 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

List price $4.99
-60% $1.99

In stock

• Dual Knob Dual Surface Mount Housing Pod
• Mounting Option For use with: BAWPL, BA2USB, BAVTM
• Color: Black

Kicker PTRTP10 (51PTRTP10)

800W Peak (400W RMS) Single Loaded 10" Sealed Down-firing Shallow Amplified Subwoofer Enclosure

51PTRTP10 big
Go to item page Right Arrow Icon of Right Arrow

800W Peak (400W RMS) Single Loaded 10" Sealed Down-firing Shallow Amplified Subwoofer Enclosure

• 10" Amplified Loaded Subwoofer System
• 400 watts RMS
• Built-In Class D Amplifier
• Variable Bass Boost
• Speaker-Level Inputs
• Wired Remote Bass Level Control

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

VIP Product Get $50.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $549.99
-9% $499.99

In stock

Like New from: $424.99

Metra MPS-RCLOC

Polaris Ride Command Audio Adapter for Select Polaris RZR, Ranger and General Vehicles

MPS-RCLOC big
Go to item page Right Arrow Icon of Right Arrow

Polaris Ride Command Audio Adapter for Select Polaris RZR, Ranger and General Vehicles

• Polaris Ride Command Audio Adapter
• Compatible with select Polaris RZR, Ranger and General models
• Retains the factory Ride Command as source unit
• Utilizes built-in crossovers from Ride Command
• Harness plugs in to any amp (AMP-1, AMP-2, AMP-3) with RCA inputs

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 $36.00
-22% $27.99

In stock

Only 3 Left!

• Polaris Ride Command Audio Adapter
• Compatible with select Polaris RZR, Ranger and General models
• Retains the factory Ride Command as source unit
• Utilizes built-in crossovers from Ride Command
• Harness plugs in to any amp (AMP-1, AMP-2, AMP-3) with RCA inputs

Belva BCCAP22 (CC2218)

22/18 Gauge Nylon Crimp Cap 100 Pack

BCCAP22 big
Go to item page Right Arrow Icon of Right Arrow

22/18 Gauge Nylon Crimp Cap 100 Pack

• 22/18 Gauge Nylon Crimp Cap
• Heat shrinkable Design
• Makes Crimping Wires Fast and Easy
• Offers a Solid Connection of Wires
• Gauge: 22/18
• Color: Clear
• Count: 100

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 $10.99
-55% $4.99

In stock

• 22/18 Gauge Nylon Crimp Cap
• Heat shrinkable Design
• Makes Crimping Wires Fast and Easy
• Offers a Solid Connection of Wires
• Gauge: 22/18
• Color: Clear
• Count: 100

Belva BBTR1 Pioneer, Clarion and Jensen Navigation Video Bypass

Video In Motion Bypass Module for select 2013-2017 Pioneer/Clarion/Jensen Stereos

BBTR1 big
Go to item page Right Arrow Icon of Right Arrow

Video In Motion Bypass Module for select 2013-2017 Pioneer/Clarion/Jensen Stereos

•Video In Motion Bypass Module for select 2013-2017 Pioneer/Clarion/Jensen Radios
• Auto Parking Brake Bypass Interface
• Simple 3-Wire Installation
• Will Work w/Future Software Updates

shipping truck icon Free shipping in USA. Provide zip for delivery date.
Universal Icon
Universal – fits most vehicles.
Shop similar products or Update vehicle
28
List price $14.99
-47% $7.99

In stock

•Video In Motion Bypass Module for select 2013-2017 Pioneer/Clarion/Jensen Radios
• Auto Parking Brake Bypass Interface
• Simple 3-Wire Installation
• Will Work w/Future Software Updates

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 1978 Century

    Q: Can I upgrade or change the Universal-Fit Audio & Electronics in 1978 Buick Century?

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

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

    1978 Buick Century

    1976 BMW 2002

    2010 Kia Optima

    2004 Cadillac DeVille

    2021 BMW X4

    2006 Volvo S60

    2024 Genesis GV80

    2013 Mazda CX-9

    2024 Mercedes-Benz E-Class

    2009 Lexus RX350

    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.