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2008 Mazda B4000

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 2008 Mazda B4000

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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PRV Audio DSP 2.8X TEAM

8-Channel Digital Sound Processor

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8-Channel Digital Sound Processor

• 8-Channel Digital Signal Processor
• Designed to integrate with aftermarket or factory OEM systems
• Integrated LCD display and intuitive interface
• Includes 2 audio inputs and 8 independent outputs
• 15-graphic equalizer with separate parametric equalizers

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List price $137.39
-20% $109.91

In stock

• 8-Channel Digital Signal Processor
• Designed to integrate with aftermarket or factory OEM systems
• Integrated LCD display and intuitive interface
• Includes 2 audio inputs and 8 independent outputs
• 15-graphic equalizer with separate parametric equalizers

Limited time!

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
-17% $89.99

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Only 3 Left!

• 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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Limited time!

NVX XTRI1

Remote Turn-on Module

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Remote Turn-on Module

• Remote Turn-On Module
• Used To Turn On Remote Amplifiers
• 2 Second Delay To Prevent Turn-On Noise
• Supplies 2 Amps Of Current
• Can Drive Multiple Amps Or A Power Antenna
• Activated By Low Level Trigger Lead

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List price $14.99
-27% $10.99

In stock

Used from: $8.99

• Remote Turn-On Module
• Used To Turn On Remote Amplifiers
• 2 Second Delay To Prevent Turn-On Noise
• Supplies 2 Amps Of Current
• Can Drive Multiple Amps Or A Power Antenna
• Activated By Low Level Trigger Lead

Metra 99-9000

Universal Underdash Stereo Installation Enclosure

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Universal Underdash Stereo Installation Enclosure

• Universal Underdash CD Housing
• Premium underdash housing fully encloses the unit
• Quick conversion from 2-Shaft to DIN
• High-grade ABS Plastic

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List price $33.99
-12% $29.99

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Only 3 Left!

• Universal Underdash CD Housing
• Premium underdash housing fully encloses the unit
• Quick conversion from 2-Shaft to DIN
• High-grade ABS Plastic

Install Bay 2" Round Terminal Cup (TCRBG2)

Round Binding Post with Gold Terminals for Subwoofer and Speaker Boxes

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Round Binding Post with Gold Terminals for Subwoofer and Speaker Boxes

• Universal round 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

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List price $7.99
-13% $6.99

In stock

• Universal round 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

Axxess AXFD-5V

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

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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

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List price $31.99
-13% $27.99

In stock

Only 2 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

Atrend 12AME

Empty Single 12" Shallow Sealed Subwoofer Enclosure

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Empty Single 12" Shallow Sealed Subwoofer Enclosure

• 12" Single Shallow Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Shallow construction and downward firing design
• Miter and Dado construction
• Premium carpet finish
• Silver spring loaded terminal cups
• Glued and braced with fasteners
• Total box volume: 0.47 cubic feet

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List price $79.99
-6% $75.40

In stock

Only 2 Left!

Limited time!

NVX SDBP40

91 mil 36 sq ft Full Car Sound Deadening Kit (Nine 18" x 32" Sheets)

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91 mil 36 sq ft Full Car Sound Deadening Kit (Nine 18" x 32" Sheets)

• 36 square feet sound deadening kit
• Material Used: Vibration Dampener
• Material Thickness: 0.091 (2.3 mm)
• Install Location: Entire Vehicle
• Pack includes nine 18" x 32" sheets

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List price $119.99
-13% $104.99

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• 36 square feet sound deadening kit
• Material Used: Vibration Dampener
• Material Thickness: 0.091 (2.3 mm)
• Install Location: Entire Vehicle
• Pack includes nine 18" x 32" sheets

Kenwood eXcelon KCA-RCDV340

Infrared Remote Control for Video and Navigation Receivers

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Infrared Remote Control for Video and Navigation Receivers

• IR Remote Controller for multimedia receivers
• Mode switch: AUD mode/DVD mode/TV mode
• Includes 2 AAA batteries

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List price $65.00
-40% $39.00

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Only 3 Left!

• IR Remote Controller for multimedia receivers
• Mode switch: AUD mode/DVD mode/TV mode
• Includes 2 AAA batteries

Sundown Audio M-12 D2 12" (M12D2)

4000W Peak (2000W RMS) 12" M Series Dual 2-ohm Car Subwoofer (SW-M12D2)

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4000W Peak (2000W RMS) 12" M Series Dual 2-ohm Car Subwoofer (SW-M12D2)

• Peak Power: 4000 watts
• RMS Power: 2000 watts
• Impedance: Dual 2 ohm
• Polypropylene Cone
• High Roll Foam Surround
• Mount depth: 10.88"
• Sensitivity: 80.6 dB

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2
List price $719.99
-17% $599.99

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T-Spec V12-CBF200

200 Amp V12 Series Gold Plated Circuit Breaker

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200 Amp V12 Series Gold Plated Circuit Breaker

• 200 Amp V12 Series 24K Gold-Plated Circuit Breaker
• Manual Reset Button
• 1/0 or 4 Gauge In/Out
• Water Resistant Housing
• 24K Gold-plated

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$62.99

Available

Ships in 10-14 days

• 200 Amp V12 Series 24K Gold-Plated Circuit Breaker
• Manual Reset Button
• 1/0 or 4 Gauge In/Out
• Water Resistant Housing
• 24K Gold-plated

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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List price $14.99
-47% $7.99

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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

Install Bay PSP2

Complete ABS Port Tube Kit - 2" x 11" Port

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Complete ABS Port Tube Kit - 2" x 11" Port

• Complete Port Tube Kit
• 2" 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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List price $24.99
-12% $21.99

In stock

Only 2 Left!

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

Metra IBWRD88

Dual 8-Gauge to 8-Gauge Input Wire Reducers

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Dual 8-Gauge to 8-Gauge Input Wire Reducers

• Dual 8-gauge input and output to 8-gauge wire reducer
• Machined brass construction with Chrome finish
• Designed for aftermarket audio upgrades in any vehicle

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List price $24.99
-12% $21.99

Available

Ships in 10-14 days

• Dual 8-gauge input and output to 8-gauge wire reducer
• Machined brass construction with Chrome finish
• Designed for aftermarket audio upgrades in any vehicle

Install Bay D1

1 AMP Diodes (20 Pieces)

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1 AMP Diodes (20 Pieces)

• Install Bay Diode
• 1 AMP
• Package of 20 Diodes

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-25% $2.99

Available

Ships in 10-14 days

• Install Bay Diode
• 1 AMP
• Package of 20 Diodes

JL Audio PS-SWMCP-B-2.875

Enclosed Speaker System Swivel Mount - 2.875"

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Enclosed Speaker System Swivel Mount - 2.875"

• Low-Profile Machined Fixtures
• Mounts VeX Pods to Roll Cage
• Pipe diameter fitment: 2.875"
• Color: Black

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$179.99

Available

Ships in 10-14 days

• Low-Profile Machined Fixtures
• Mounts VeX Pods to Roll Cage
• Pipe diameter fitment: 2.875"
• Color: Black

Tru Spec Single 12 SUBP (1555YTZ)

Empty Single 12" Vented Prefabricated High Out Enclosure

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Empty Single 12" Vented Prefabricated High Out Enclosure

• 12" Single Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 2.5 cubic feet
• High-output XXL enclosure with double flush baffle

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1
List price $399.99
-41% $234.99

In stock.

Limited time!

Infinity GREF607F

Mesh Grilles for Infinity Reference REF607F 6.5" Speakers (Shipped in a Brown Box)

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Mesh Grilles for Infinity Reference REF607F 6.5" Speakers (Shipped in a Brown Box)

• 6.5" Speaker grilles for Infinity REF607F
• Black steel mesh grille design
• Includes plastic trim rings and Infinity logo on grilles
• Will be shipped in a brown box

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$14.99

In stock

• 6.5" Speaker grilles for Infinity REF607F
• Black steel mesh grille design
• Includes plastic trim rings and Infinity logo on grilles
• Will be shipped in a brown box

XS Power D3400R (Reverse Polarity)

12-Volt Deep Cycle AGM Reverse Polarity Battery Power Cell with 3300-Max Amps for European Vehicles

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12-Volt Deep Cycle AGM Reverse Polarity Battery Power Cell with 3300-Max Amps for European Vehicles

• 12-volt Absorbent Glass Mat (AGM) Battery
• Sealed Absorbent Glass Mat (AGM) design
• Perfect for 2500W car audio stereo systems
• Compatible with most vehicle applications

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List price $469.99
-11% $419.99

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• 12-volt Absorbent Glass Mat (AGM) Battery
• Sealed Absorbent Glass Mat (AGM) design
• Perfect for 2500W car audio stereo systems
• Compatible with most vehicle applications

JL Audio M-MCPv3-2.000

ETXv3 Enclosed Speaker System Clamp, for pipe diameter of 2.000 in (50.8 mm)

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ETXv3 Enclosed Speaker System Clamp, for pipe diameter of 2.000 in (50.8 mm)

• JL Audio Tower Speaker Mounting Kit
• Clamp has an Inner Diameter of 2.000 Inches
• For M-Series and MX-Series JL Audio Tower Speakers

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$209.99

In stock

Only 2 Left!

• JL Audio Tower Speaker Mounting Kit
• Clamp has an Inner Diameter of 2.000 Inches
• For M-Series and MX-Series JL Audio Tower Speakers

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    FAQ for Universal-Fit Audio & Electronics in 2008 B4000

    Q: Can I upgrade or change the Universal-Fit Audio & Electronics in 2008 Mazda B4000?

    A: Yes this page includes all the best Universal-Fit Audio & Electronics that work in your B4000.

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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.