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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.

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DS18 INF-C1.5AX4

6A Portable Automatic Smart Lithium AGM Multi-Battery Charger and Maintainer

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6A Portable Automatic Smart Lithium AGM Multi-Battery Charger and Maintainer

• Portable smart car battery charger and maintainer
• 4 x 1.5 amp output with clamp or bolt-on connection
• Supports 6 or 12 volt system
• Works on Lead-Acid, Wet, Gel, AGM, Calcium, Lithium (LiFePO4)
• Thermal, reverse, over charge, over current protection
• Charges multiple battery sizes and types

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$275.95

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Ships in 10-14 days

• Portable smart car battery charger and maintainer
• 4 x 1.5 amp output with clamp or bolt-on connection
• Supports 6 or 12 volt system
• Works on Lead-Acid, Wet, Gel, AGM, Calcium, Lithium (LiFePO4)
• Thermal, reverse, over charge, over current protection
• Charges multiple battery sizes and types

Metra 44-US401

31" Universal Replacement Antenna

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31" Universal Replacement Antenna

• 31" Universal Replacement Antenna
• Provides radio reception to your vehicle
• 3-section removable heavy-duty stainless-steel mast
• 60" detachable cable

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• 31" Universal Replacement Antenna
• Provides radio reception to your vehicle
• 3-section removable heavy-duty stainless-steel mast
• 60" detachable cable

Limited time!

NVX VCW84 Version 3 (VCW84v3)

1300W Peak (650W RMS) 8" VC-Series v3 Dual 4-ohm Car Subwoofer

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1300W Peak (650W RMS) 8" VC-Series v3 Dual 4-ohm Car Subwoofer

• Peak Power: 1300 watts
• RMS Power: 650 watts
• Impedance: Dual 4 ohm
• Carbon Fiber Enhanced Non-Pressed Paper Cone
• Custom High Roll Foam Surround with black nylon stitching
• Mount depth: 5.31"
• Sensitivity: 83 dB (1W/1m)

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List price $203.99
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Stinger SGP32

200 Amp High Current Power Relay Battery Isolator

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200 Amp High Current Power Relay Battery Isolator

• 200 amp Battery Isolator and Relay
• Prevents primary battery discharge
• Maximum current transfer
• Extends battery life
• Universal 12V Applications

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• 200 amp Battery Isolator and Relay
• Prevents primary battery discharge
• Maximum current transfer
• Extends battery life
• Universal 12V Applications

Stinger SwitchHub (SPXSH440)

100A 4-Channel High Current Solid State Relay System

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100A 4-Channel High Current Solid State Relay System

• 4-Channel SwitchHub Solid-State Relay
• Single 40-amp output and triple 20-amp outputs
• 100-amp combined continuous capacity
• Outputs can be triggered independently

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List price $158.99
-13% $137.99

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• 4-Channel SwitchHub Solid-State Relay
• Single 40-amp output and triple 20-amp outputs
• 100-amp combined continuous capacity
• Outputs can be triggered independently

Hertz ST 25A NEO

200W Peak 1.8" NEO Series 4-ohm High-Efficiency Compression Bullet Driver

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200W Peak 1.8" NEO Series 4-ohm High-Efficiency Compression Bullet Driver

• 1.8" NEO Series Pro-Audio Bullet Tweeters
• 100 watts Peak Each
• RMS Each
• 4 ohm Impedance

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List price $470.00
-15% $399.99

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• 1.8" NEO Series Pro-Audio Bullet Tweeters
• 100 watts Peak Each
• RMS Each
• 4 ohm Impedance

JL Audio SGR-10W6v2/v3

Mesh Grille for Select JL Audio 10" W6v2 and W6v3 Subwoofers (Black)

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Mesh Grille for Select JL Audio 10" W6v2 and W6v3 Subwoofers (Black)

• 10" Subwoofer Mesh Grille Insert for W6v2 and W6v3 Subwoofers
• Powder-coated steel mesh grille in satin black finish
• Protects subwoofers against potential damage

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$29.99

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• 10" Subwoofer Mesh Grille Insert for W6v2 and W6v3 Subwoofers
• Powder-coated steel mesh grille in satin black finish
• Protects subwoofers against potential damage

JL Audio STACK KIT-3

Stacking Hardware for 3 Slash v2 & v3 Amplifiers

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Stacking Hardware for 3 Slash v2 & v3 Amplifiers

Stacking Hardware for Three Slash v2 Amplifiers
• Made With JL Audio High Quality
• Precision Machined
• Colored Black

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$39.99

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Stacking Hardware for Three Slash v2 Amplifiers
• Made With JL Audio High Quality
• Precision Machined
• Colored Black

Wet Sounds ST-ADP-RND 1.75

Mounting Clamps for Stealth Soundbars with 1.75" Round Tubing

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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

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• 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

Avital 3103LX

1-Way Remote Start Keyless Entry System with (2) 1320ft Range 4-Button Transmitters

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1-Way Remote Start Keyless Entry System with (2) 1320ft Range 4-Button Transmitters

• 1-Way Remote Car Starter
• 4-Button Transmitter
• 1/4 mile (1320 ft.) range
• Features 2 auxiliary outputs
• Internal antenna and transmit LED
• Command buttons

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List price $129.99
-62% $49.99

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• 1-Way Remote Car Starter
• 4-Button Transmitter
• 1/4 mile (1320 ft.) range
• Features 2 auxiliary outputs
• Internal antenna and transmit LED
• Command buttons

Limited time!

Rockford Fosgate Punch P1-2X12

1000W Peak, Punch P1 Dual 12" P1S412 Subwoofer Loaded Enclosure

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1000W Peak, Punch P1 Dual 12" P1S412 Subwoofer Loaded Enclosure

• Two 12" Punch Series Stage 1 Subwoofers
• Kevlar Reinforced Paper Cone
• Tear and Fatigue Resistant
• Proprietary Spider Venting/Cooling Technique
• Solid 5/8" MDF Construction

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List price $489.99
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-10% $439.99

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NVX XWS1250

50 ft 12-Gauge EnvyFlex 100% Oxygen Free Copper Speaker Wire (Blue/Gray)

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50 ft 12-Gauge EnvyFlex 100% Oxygen Free Copper Speaker Wire (Blue/Gray)

• True Spec 12 gauge EnvyFlex Speaker Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Blue and Gray
• Translucent EnvyFlex flexible multi-strand construction

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• True Spec 12 gauge EnvyFlex Speaker Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Blue and Gray
• Translucent EnvyFlex flexible multi-strand construction

Steve Meade Designs OM-1

Output Level Meter

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Heise HE-BD22

200W Universal 22" Blackout Series Dual Row 40 LED Light Bar

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200W Universal 22" Blackout Series Dual Row 40 LED Light Bar

• Universal 22" Double Row LED Light Bar
• Water-resistant IPX-67 Rating
• Flood/Spot Combo Beam Pattern
• Integrated epoxy-encapsulated electronics
• Includes rear/side brackets and mounting hardware

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List price $464.99
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• Universal 22" Double Row LED Light Bar
• Water-resistant IPX-67 Rating
• Flood/Spot Combo Beam Pattern
• Integrated epoxy-encapsulated electronics
• Includes rear/side brackets and mounting hardware

Install Bay 3MHST12

3M 1/2" Diameter Black Heat Shrink Tubing

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3M 1/2" Diameter Black Heat Shrink Tubing

• 1/2 inch
• polyoefin
• 4 feet

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• 1/2 inch
• polyoefin
• 4 feet

NVX NE151S

Single 15" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 2.1 Cu. Ft. with Polyfil and NVX Logo

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Single 15" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 2.1 Cu. Ft. with Polyfil and NVX Logo

• 15" Single Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 2.10 cubic feet
• Premium Black Carpet with Black NVX Logo

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List price $107.99
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• 15" Single Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 2.10 cubic feet
• Premium Black Carpet with Black NVX Logo

Kicker CXA800.1 (46CXA8001T)

800W RMS Class D CX Series Monoblock Car Amplifier

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800W RMS Class D CX Series Monoblock Car Amplifier

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

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Available Offers (2) for Kicker CXA800.1 (46CXA8001T)
FREE Belva Amp Kit at Checkout!
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.

Sundown Audio Z-15 v.7 D1 15" (Z15V7D1)

7000W Peak (3500W RMS) 15" Z Series V7 Dual 1-ohm Car Subwoofer (SW-ZV715D1)

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7000W Peak (3500W RMS) 15" Z Series V7 Dual 1-ohm Car Subwoofer (SW-ZV715D1)

• Peak Power: 7000 watts
• RMS Power: 3500 watts
• Impedance: Dual 1 ohm
• Treated Paper Cone
• Treated Foam Surround
• Sensitivity: 91.58 dB

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• Peak Power: 7000 watts
• RMS Power: 3500 watts
• Impedance: Dual 1 ohm
• Treated Paper Cone
• Treated Foam Surround
• Sensitivity: 91.58 dB

NVX VADM1 v2 (VADM1v2)

600W RMS Class D V-Series Micro Monoblock Car/Marine/Powersports Amplifier with Bass Remote

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600W RMS Class D V-Series Micro Monoblock Car/Marine/Powersports Amplifier with Bass Remote

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

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Available Offers (2) for NVX VADM1 v2 (VADM1v2)
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List price $239.99
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$161.49 with coupon | Price details
2026-06-30 23:59:00
Save 30% off an NVX XKIT82 Amp Kit at Checkout! Add a qualifying amplifier to your cart and save 30% on the NVX XKIT82 Amp Kit! No code needed — discount applies automatically at checkout.
Used from: $119.99
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Belva BAK44BL

4 Gauge Premium (CCA) Copper Clad Aluminum Complete 4-Channel Amplifier Wiring Kit with RCA for Amplifiers up to 1200 Watts - BLUE

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4 Gauge Premium (CCA) Copper Clad Aluminum Complete 4-Channel Amplifier Wiring Kit with RCA for Amplifiers up to 1200 Watts - BLUE

• Complete 4 Gauge Amplifier Installation Kit
• For Amplifiers Up To 1200 Watts RMS
• Premium (CCA) Copper Clad Aluminum
• Helical Twist 4-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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    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.

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    • Owner's manual
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    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

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