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1978 Chevrolet K5 Blazer

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 Chevrolet K5 Blazer

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 MMC-2Y

2-way Y-splitter for MediaMaster remote controllers

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2-way Y-splitter for MediaMaster remote controllers

• Use to connect multiple MediaMaster Remote Controllers
• 2-way Y-splitter

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• Use to connect multiple MediaMaster Remote Controllers
• 2-way Y-splitter

JBL BassPro 12

Single Loaded 12" Ported Amplified Subwoofer Enclosure with Bass Remote

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Single Loaded 12" Ported Amplified Subwoofer Enclosure with Bass Remote

• 12" Amplified Loaded Subwoofer System
• 150 watts RMS
• Built-In Class D Amplifier
• Variable Bass Boost
• Speaker-Level Inputs

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InstallBay Complete 0 Gauge Dual-Amp Kit (AK01)

Dual Amplifier Installation Wiring Kit with 0 Gauge Wiring, 4 Gauge Wiring, Distribution Block, Battery Terminals, and more...

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Dual Amplifier Installation Wiring Kit with 0 Gauge Wiring, 4 Gauge Wiring, Distribution Block, Battery Terminals, and more...

• Complete 0 Gauge Amplifier Installation Kit
• Designed for Systems up to 3600 Watts
• Includes Everything Needed for Installation
• Premium Power and Ground Cable

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• Complete 0 Gauge Amplifier Installation Kit
• Designed for Systems up to 3600 Watts
• Includes Everything Needed for Installation
• Premium Power and Ground Cable

BOYO Vision VTSR100

Rear Parking Assist System with 4 Parking Sensors (Silver)

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Rear Parking Assist System with 4 Parking Sensors (Silver)

• Rear parking sensors with waterproof connectors
• Audible buzzer with volume adjustment
• Total Number of Sensors: 4
• Detection Distance: 1 feet to 5.9 feet

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• Rear parking sensors with waterproof connectors
• Audible buzzer with volume adjustment
• Total Number of Sensors: 4
• Detection Distance: 1 feet to 5.9 feet

NVX VAD17001 v2 (VAD17001v2)

3400W Peak (1700W RMS) Class D V-Series Monoblock Car/Marine/Powersports Amplifier with Bass Remote

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3400W Peak (1700W RMS) Class D V-Series Monoblock Car/Marine/Powersports Amplifier with Bass Remote

• 800 watts x 1 channel @ 4 ohm
• 1350 watts x 1 channel @ 2 ohm
• 1700 watts x 1 channel @ 1 ohm
• Total RMS Power: 1700 watts
• Class D 1 ohm Stable Monoblock Amplifier

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Available Offers (3) for NVX VAD17001 v2 (VAD17001v2)
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$207.99 with coupon | Price details
2026-06-28 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.
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2026-07-27 11:08:20
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NVX VAD10004 v2 (VAD10004v2)

1000W RMS Class D Full Range 4-Channel Car/Marine/Powersports Amplifier

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1000W RMS Class D Full Range 4-Channel Car/Marine/Powersports Amplifier

• 150 watts x 4 channel @ 4 ohm
• 250 watts x 4 channel @ 2 ohm
• Bridged: 500 watts x 2 channel @ 4 ohm
• Total RMS Power: 1000 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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Available Offers (2) for NVX VAD10004 v2 (VAD10004v2)
Save 30% off an NVX XKIT44 Amp Kit at Checkout! Add a qualifying amplifier to your cart and save 30% on the NVX XKIT44 Amp Kit! No code needed — discount applies automatically at checkout.
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2026-07-27 11:08:20
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Sundown Audio 4BLK

4-Gauge Heat Shrink for Cable Crimp Ends (Black, Pack of 10)

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4-Gauge Heat Shrink for Cable Crimp Ends (Black, Pack of 10)

• 10-pack 4-gauge Heat Shrink
• Protect your cable crimp ends with style
• Color: Black

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• 10-pack 4-gauge Heat Shrink
• Protect your cable crimp ends with style
• Color: Black

Tru Spec Single 12" (1447TS)

Empty Single 12" Vented Prefabricated Enclosure for Sundown SA12V2 Subwoofers

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Empty Single 12" Vented Prefabricated Enclosure for Sundown SA12V2 Subwoofers

• 12" Single Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 1.75 cubic feet
• Compatible for Sundown SA12V2 subwoofers (Sold separately)

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NVX XW4BK20

20 ft 4-Gauge EnvyFlex True Spec Oxygen-Free Copper Power and Ground Wire (Black)

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20 ft 4-Gauge EnvyFlex True Spec Oxygen-Free Copper Power and Ground Wire (Black)

• 20 feet 4 gauge Power and Ground Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Black

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Metra IBR146

SAE Top Post Battery Terminals (Sold as Pair)

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SAE Top Post Battery Terminals (Sold as Pair)

• SAE Top Post Battery Terminals
• Pair of positive or negative battery clamps
• Top-mounted or side-mounted options
• Machined brass construction with satin chrome finish

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• SAE Top Post Battery Terminals
• Pair of positive or negative battery clamps
• Top-mounted or side-mounted options
• Machined brass construction with satin chrome finish

SMD CC-1 Crossover Calibrator

Crossover Calibrator (CC1)

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Crossover Calibrator (CC1)

• Crossover Calibrator
• Also Matches The Gain Settings On Amp(s)
• Circuitry Is Digital Microprocessor Controlled
• Crossover -3dB Point Accuracy +/- 0.25dB
• Auto-Shut Off Timer

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• Crossover Calibrator
• Also Matches The Gain Settings On Amp(s)
• Circuitry Is Digital Microprocessor Controlled
• Crossover -3dB Point Accuracy +/- 0.25dB
• Auto-Shut Off Timer

Sundown Audio GT-R1 (GT1R8)

100W RMS 2" 8-ohm Pro Audio Super Tweeter (S-GT1R8)

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100W RMS 2" 8-ohm Pro Audio Super Tweeter (S-GT1R8)

• Super Tweeter
• 100 watts RMS Each
• 8 ohm Impedance

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• Super Tweeter
• 100 watts RMS Each
• 8 ohm Impedance

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NVX NE101P

Single 10" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 1.5 Cu. Ft. with Polyfil and NVX Logo

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Single 10" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 1.5 Cu. Ft. with Polyfil and NVX Logo

• 10" Single Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 1.50 cubic feet
• Premium Black Carpet with Black NVX Logo

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NVX XWS1650

50 ft 16-Gauge EnvyFlex 100% Oxygen Free Copper (OFC) Speaker Wire (Blue/Gray)

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50 ft 16-Gauge EnvyFlex 100% Oxygen Free Copper (OFC) Speaker Wire (Blue/Gray)

• True Spec 16 gauge EnvyFlex Speaker Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Blue and Gray
• Twisted-pair technology eliminates noise

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• True Spec 16 gauge EnvyFlex Speaker Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Blue and Gray
• Twisted-pair technology eliminates noise

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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• 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

Metra 44-UA20 Antenna

Replacement Amplified Hide-Away Antenna

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Replacement Amplified Hide-Away Antenna

• Replacement Amplified Hide-Away Antenna for AM/FM Bands
• Active Magnetic-Type Antenna
• Works on the Magnetic Field

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• Replacement Amplified Hide-Away Antenna for AM/FM Bands
• Active Magnetic-Type Antenna
• Works on the Magnetic Field

Metra IBWRD00

Dual 1/0-Gauge to Single 1/0 Gauge Input Wire Reducers

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Dual 1/0-Gauge to Single 1/0 Gauge Input Wire Reducers

• Dual 1/0-gauge input and output to 1/0-gauge wire reducer
• Machined brass construction with Chrome finish
• Designed for aftermarket audio upgrades in any vehicle

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• Dual 1/0-gauge input and output to 1/0-gauge wire reducer
• Machined brass construction with Chrome finish
• Designed for aftermarket audio upgrades in any vehicle

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NVX VBTERM2

Round Push Style Outer Design Terminal Cups With Chrome-Plated Contacts

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Round Push Style Outer Design Terminal Cups With Chrome-Plated Contacts

• Universal Round Chrome-plated Terminal Cup for Speaker & Subwoofer boxes
• Chrome-plated contacts for optimal signal transfer
• Screw binding posts for a tight secure connection
• Positive (Red) and negative (Black) indicators to ensure proper wiring
• Easy to install and use

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• Universal Round Chrome-plated Terminal Cup for Speaker & Subwoofer boxes
• Chrome-plated contacts for optimal signal transfer
• Screw binding posts for a tight secure connection
• Positive (Red) and negative (Black) indicators to ensure proper wiring
• Easy to install and use

SMD 2 Channel Heavy Duty Square Speaker Terminal (Grade 8)

Two Channel Square Speaker Terminal with Grade 8 Terminals, 3/4" PVC (Black)

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Two Channel Square Speaker Terminal with Grade 8 Terminals, 3/4" PVC (Black)

• 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
• Two Channel

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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
• Two Channel

Rockford Fosgate PLC2

Wired Bass Remote Controller for Select 2013-2025 Punch and Power Amplifiers

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Wired Bass Remote Controller for Select 2013-2025 Punch and Power Amplifiers

• Wired Bass Remote for select 2013-2025 Punch and Power amplifiers
• Includes bass knob, cable, mounting clip, mounting screws
• Controls level on rear outputs of 4-channel amplifiers
• Conveniently mount under dash, inside center console or glovebox

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• Wired Bass Remote for select 2013-2025 Punch and Power amplifiers
• Includes bass knob, cable, mounting clip, mounting screws
• Controls level on rear outputs of 4-channel amplifiers
• Conveniently mount under dash, inside center console or glovebox

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    FAQ for Universal-Fit Audio & Electronics in 1978 K5 Blazer

    Q: Can I upgrade or change the Universal-Fit Audio & Electronics in 1978 Chevrolet K5 Blazer?

    A: Yes this page includes all the best Universal-Fit Audio & Electronics that work in your K5 Blazer.

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