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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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Hertz MPCX 2 TM.3 Single

Mille Pro Series Passive Audio Crossover

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Mille Pro Series Passive Audio Crossover

• Specifically developed for Hertz MP 70.3 and Hertz MP25.3
• Two-position (0 / +2 dB) switch for tweeter level adjustments
• Pure copper wire low series resistance inductors

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List price $90.00
-11% $79.99

In stock

• Specifically developed for Hertz MP 70.3 and Hertz MP25.3
• Two-position (0 / +2 dB) switch for tweeter level adjustments
• Pure copper wire low series resistance inductors

Limited time!

NVX VCW152 Version 3 (VCW152v3)

3000W Peak (1500W RMS) 15" VC-Series v3 Dual 2-ohm Car Subwoofer

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3000W Peak (1500W RMS) 15" VC-Series v3 Dual 2-ohm Car Subwoofer

• Peak Power: 3000 watts
• RMS Power: 1500 watts
• Impedance: Dual 2 ohm
• Carbon Fiber Enhanced Non-Pressed Paper Cone
• Custom High Roll Foam Surround with black nylon stitching
• Mount depth: 8.19"
• Sensitivity: 88 dB (1W/1m)

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-17% $259.99

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NVX - Worth the Envy - Direct to Consumer Car Audio

JL Audio XD-CLRAIC2-SW Speaker Wire to RCA Cable

2-channel Speaker Wire to RCA Adaptor for High-Level Signal Connection to Amplifiers

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2-channel Speaker Wire to RCA Adaptor for High-Level Signal Connection to Amplifiers

• 2-Channel Speaker Wire to RCA Adaptor for High-Level Signal Connection to Amplifiers
• Left and Right Channel Male RCA Plugs to Parallel Speaker Cable
• Satin Black Jacket

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• 2-Channel Speaker Wire to RCA Adaptor for High-Level Signal Connection to Amplifiers
• Left and Right Channel Male RCA Plugs to Parallel Speaker Cable
• Satin Black Jacket

Second Skin Audio SPEC-20-1GAL

1 Gallon Spray-on or Brush-on Spectrum Liquid Sound Damping

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1 Gallon Spray-on or Brush-on Spectrum Liquid Sound Damping

• 20 square feet sq. ft Sound Damping Liquid Coating
• Material Used: Vibration Dampener
• Material Thickness: 0.080"
• Install Location: Universal
• Contains 1 gallon of liquid spray

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List price $119.99
-17% $99.99

In stock.

• 20 square feet sq. ft Sound Damping Liquid Coating
• Material Used: Vibration Dampener
• Material Thickness: 0.080"
• Install Location: Universal
• Contains 1 gallon of liquid spray

Rockford Fosgate Power T1500-1BDCP

1500W RMS Class BD Power Series Monoblock Car Amplifier

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1500W RMS Class BD Power Series Monoblock Car Amplifier

• 1000 watts x 1 channel @ 4 ohm
• 1500 watts x 1 channel @ 2 ohm
• Total RMS Power: 1500 watts
• Class BD 1 ohm Stable Monoblock Amplifier

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Available Offers (2) for Rockford Fosgate Power T1500-1BDCP
FREE NVX 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.
Used from: $654.49

Stinger SPC505

5 Farad Pro Digital Hybrid Capacitor

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5 Farad Pro Digital Hybrid Capacitor

• Digital 5 Farad Capacitor
• Bright Red LED Voltage Display
• Monitor System Voltage
• 12-16 Volt Operation / 18 Volt Surge
• Louder And Cleaner Bass Response

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List price $599.00
-54% $274.99

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• Digital 5 Farad Capacitor
• Bright Red LED Voltage Display
• Monitor System Voltage
• 12-16 Volt Operation / 18 Volt Surge
• Louder And Cleaner Bass Response

T-Spec VPNB4

MANL 4-Position All-in-One Distribution Block

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MANL 4-Position All-in-One Distribution Block

• (2) 1/0 ga inputs for power
• (4) 4/8 ga MANL fused power outputs
• >Small Footprint with compact brass design
• All in one compact block

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• (2) 1/0 ga inputs for power
• (4) 4/8 ga MANL fused power outputs
• >Small Footprint with compact brass design
• All in one compact block

Limited time!

NVX BIR200

200-Amp High Current Dual Battery Isolator and Relay for Car Audio Systems (Handles up to 300-Amp Surge)

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200-Amp High Current Dual Battery Isolator and Relay for Car Audio Systems (Handles up to 300-Amp Surge)

• 200-Amp continuous / 300-Amp surge
• Ideal for car stereo systems and mobile electronics
• Prevents the main starter battery from draining
• 10V to 16V DC operating range

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List price $59.99
-17% $49.99

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Used from: $29.99 Like New from: $42.49

• 200-Amp continuous / 300-Amp surge
• Ideal for car stereo systems and mobile electronics
• Prevents the main starter battery from draining
• 10V to 16V DC operating range

Rockford Fosgate PMX50C

50 foot extension cable

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50 foot extension cable

• Extension Cable
• Length: 50 feet

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$129.99

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• Extension Cable
• Length: 50 feet

Limited time!

Shuriken SK-BT80-BX

Battery Box for SK-BT80

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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

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-10% $43.99

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Only 2 Left!

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

Limited time!

NVX XVRC2

Universal Remote Level Controller/Bass Knob with Digital Voltmeter

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Universal Remote Level Controller/Bass Knob with Digital Voltmeter

• NVX Remote Level Controller with Digital Voltmeter
• Can adjust the amplifier gain even while driving
• In-dash or Under-dash mountable
• Compatible with most head units/amplifiers combinations
• Blue LED display (high voltage / low voltage)

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List price $99.99
-67% $32.99

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Used from: $23.09

• NVX Remote Level Controller with Digital Voltmeter
• Can adjust the amplifier gain even while driving
• In-dash or Under-dash mountable
• Compatible with most head units/amplifiers combinations
• Blue LED display (high voltage / low voltage)

Kicker 49L7X101RK

10" SoloX Series Dual 1-ohm Recone Kit for 49L7X101 Subwoofer

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10" SoloX Series Dual 1-ohm Recone Kit for 49L7X101 Subwoofer

• 10" SoloX Series Dual 1-ohm Recone Kit
• Pre-assembled cone, surround, and voice coil
• Impedance: Dual 1-ohm
• Alignment shims are included for installation

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List price $239.99
-8% $219.99

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Ships in 10-14 days

• 10" SoloX Series Dual 1-ohm Recone Kit
• Pre-assembled cone, surround, and voice coil
• Impedance: Dual 1-ohm
• Alignment shims are included for installation

Limited time!

JL Audio BassWedge CP112-W0v3

300W RMS 12" W0v3 Series BassWedge Ported Subwoofer System

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300W RMS 12" W0v3 Series BassWedge Ported Subwoofer System

• 600W Peak
• 300W RMS
• Top-Quality MDF Construction
• Durable Dark Gray Carpet Finish
• Five-Way Binding Post Connectors
• Embroidered JL Audio Logo

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List price $279.99
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-18% $229.99

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Used from: $220.87

Install Bay Ford Interior Trim Retainer Clips (2048PK)

Ford Interior Trim Retainer Clips 9/32" - 25 pack

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Ford Interior Trim Retainer Clips 9/32" - 25 pack

• Interior Trim Retainer Clips
• Size: 9/32"
• For Ford Vehicles
• Pack of 25

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List price $18.99
-11% $16.99

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Ships in 10-14 days

• Interior Trim Retainer Clips
• Size: 9/32"
• For Ford Vehicles
• Pack of 25

AudioControl AC-LGD 60

Load Generating Device and Signal Stabilizers for Premium Amplified Chrysler, Dodge, Jeep and Maserati Sound Systems

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Load Generating Device and Signal Stabilizers for Premium Amplified Chrysler, Dodge, Jeep and Maserati Sound Systems

• Ideal for OEM non-amplified sound systems
• Designed to generate load and stabilize signal
• Installed between factory speakers and lime output converter
• Pre-wired with EIA standard wire colors for front and rear connections
• 60 Ohm input impedance
• 150W Maximum input voltage

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List price $69.00
-49% $34.99

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Ships in 10-14 days

• Ideal for OEM non-amplified sound systems
• Designed to generate load and stabilize signal
• Installed between factory speakers and lime output converter
• Pre-wired with EIA standard wire colors for front and rear connections
• 60 Ohm input impedance
• 150W Maximum input voltage

Omega AU-70SL (AU-70)

Multi-Tone Siren with 20 watt output

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Multi-Tone Siren with 20 watt output

• Single or Multi-Tone Siren
• Six Tone Siren
• 20 watt Output

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• Single or Multi-Tone Siren
• Six Tone Siren
• 20 watt Output

Stinger SPT53102

PRO Classic Battery Terminal (1) 1/0ga + (1) 4ga + (2) 8ga Outputs Shoc-Krome (Positive)

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PRO Classic Battery Terminal (1) 1/0ga + (1) 4ga + (2) 8ga Outputs Shoc-Krome (Positive)

• Positive Battery Terminal
• Shoc-Krome-plated Output
• Impact resistant covers
• One 4 Gauge Output
• One 1/0 Gauge Output
• Two 8 Gauge Outputs

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• Positive Battery Terminal
• Shoc-Krome-plated Output
• Impact resistant covers
• One 4 Gauge Output
• One 1/0 Gauge Output
• Two 8 Gauge Outputs

Limited time!

NVX XW4WH20

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

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

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

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List price $89.99
-33% $59.99

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Clarion CMR-10

Wired Marine Remote Control without LCD Display for Select Clarion Marine Stereos

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Wired Marine Remote Control without LCD Display for Select Clarion Marine Stereos

• Wired marine remote control without display
• Compatible with select Clarion stereos
• Easily adds up to 3 remotes
• IP67-rated water resistant design

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$99.99

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Only 1 Left!

• Wired marine remote control without display
• Compatible with select Clarion stereos
• Easily adds up to 3 remotes
• IP67-rated water resistant design

NVX XCAP1F

True 1.0 Farad 20V Capacitor with Digital Read-out, Built-in Distribution Block

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True 1.0 Farad 20V Capacitor with Digital Read-out, Built-in Distribution Block

• For Systems Up To 1200 Watts
• Bright Blue LED Voltage Display
• Improves Bass Response (SPL)

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Available Offers (2) for NVX XCAP1F
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.
Purchase $400 or More of NVX and Save 15%!
2026-07-27 11:08:20
Used from: $76.99

• For Systems Up To 1200 Watts
• Bright Blue LED Voltage Display
• Improves Bass Response (SPL)

NVX - Worth the Envy - Direct to Consumer Car Audio

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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:

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