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2004 Ford Ranger

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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.

Overview Upgrade your Stereo Upgrade your Speakers Add a Subwoofer Add an Amplifier Digital Sound Processors Audio Installation & Accessories Add a Backup Camera Dads & Grads Sale

Universal-Fit Audio for 2004 Ford Ranger

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.

Better sound with your factory radio

Better sound with a factory radio

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Amplifiers ✕
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Amplifiers,
Subwoofers (1,132)
Amplifiers (936)
Subwoofers with a box (778)
Amplifiers with a wiring kit (436)
RCA cables and accessories (264)
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Power and ground wire (130)
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Sound damping (107)
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Installation accessories (25)
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Price Range
Product Fitment Type
Number of Channels
Each channel on an amplifier will power one speaker using a positive and negative cable. There are various types of amplifiers, each designed to power a certain number of speakers. Monoblock amplifiers, also known as single channel, are designed to power one or more subwoofers. These amplifiers often have very high power ratings. On the other hand, multi-channel amplifiers power multiple speakers, usually at lower power ratings. 2-Channel and 4-Channel amplifiers can power car speakers or low powered subwoofers. Occasionally you might see a 5 or 6-channel amplifier that can power speakers and subwoofers at the same time. The most common setup is a monoblock amp to run subwoofers and a 4-channel amp to run door speakers. Check out our Knowledge Base for more information.
Amplifier Key Features
Amplifiers can offer a diverse array of features. If you select more than one feature, then you will view amplifiers that have ALL features selected. These include speaker-level inputs that facilitate seamless integration with factory audio systems, Bluetooth connectivity suitable for ATV/UTV or Classic vehicle setups, built-in DSPs that provide enhanced control over your audio signal, and a host of other functionalities to explore.
Amplifier Class

An amplifier increases the power of the signal being fed to it by taking energy from its power supply and matching the signal but increasing its amplitude. Amplifiers use many different methods for converting these electrical signals and have been categorized into classes.

Class A/B: Greater than 50% of the input signal is amplified while the other percentage is “off”. These amplifiers have a small amount of current flowing through the output transistors all the time which almost eliminates crossover distortion. Class A/B has great sound quality but is not as efficient as class D. These amps are most commonly used to drive speakers.

Class D: Also known as switching amplifiers, class D amps have output transistors that are completely turned “on” or “off”. This means that when the transistors are on, there is almost no voltage across them but when they are off there is significant voltage but no current flowing through it which makes these amplifiers very efficient at the cost of sound quality. These amps are most commonly used to drive subwoofers.

Other Classes: You may see classes such as GH, bD, X, FD, etc. by some manufactures. These amplifiers tend to be either class A/B, D or a hybrid of the two but with improvements to their designs that can make them more efficient or offer better sound quality.
Total RMS Power Output
Total RMS power is measured by multiplying RMS power per channel by the number of channels, and is calculated at the lowest level of operating impedance.

RMS power is the amount of continuous power, measured in watts, that an amplifier produces is called RMS power. The higher the RMS figure, the louder and cleaner your music sounds.

The RMS output figure is much more accurate than the peak rating when comparing products.
Total Peak Power Output
The total peak power output is measured as the wattage per channel multiplied by the number of channels, and is calculated at the lowest level of operating impedance.

It is measured during a brief musical burst, such as a sudden drum accent. Some manufacturers display peak power ratings on the face of their products to increase the appeal.

The RMS power rating is more accurate, and we recommend using it for product comparison.
Series
Many brands group their products into series or lines of products to help customers know the level of quality (good, better, best for example). You can filter by series and the brand using our guided browsing.
Punch Series (37)
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V Series (22)
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Street Reference (1)
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ZXI Series (1)
Minimum Impedance Unbridged
The lowest impedance the amplifier will handle when it is not bridged.
Minimum Impedance Bridged
The lowest impedance the amplifier will handle when it is bridged.
Remote bass/level controller
If the amp comes with a bass/gain remote you will be able to control the level of your bass from your dashboard. Typically bass remotes also include a 16-20 ft. wire for installation.
Sonic Certified Amplifier
Sonic Certified amplifiers have been tested by the experts at Sonic Electronix to meet or exceed the wattage ratings provided by the manufacturer. If this is marked as Yes, then you can trust the wattage ratings. If marked as No, then we have tested the amplifier and it did not meet the advertised wattage ratings. If marked as Not Tested, then the Sonic Electronix experts have not yet been able to test the amp.
Preamp Outputs
Many amplifiers are equipped with RCA preamp outputs which pass the original music signal from the source to additional amplifiers. This is known as daisy chaining because the source connects to the first amp, and the first amp connects to the second amp, etc. The advantage to daisy chaining is you only need one 2-channel RCA cable to transfer the signal from the head-unit to the amplifier, and then one additional cable for each amp being daisy chained.
Built-in Crossover

A crossover is a type of filtering system that permits only certain frequencies to play. A Low-Pass (LP) crossover allows only frequencies below its setting to get through which is good in the case of some subwoofers. A High-Pass(HP) filter allows frequencies above its setting to pass through, this is normally used on speakers.

When a crossover is set to FULL it means no filtering is added and the full frequency spectrum is allowed through the amplifier. Filtering is important because feeding a speaker frequencies it cannot reproduce effectively creates distortion.

Amp Bluetooth Connectivity
This feature will tell you if the amplifier has the capability to connect to a Bluetooth device.
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JL Audio HD1200/1

1200W RMS Class D HD Series Monoblock Car Amplifier

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JL Audio HD1200/1

1200W RMS Class D HD Series Monoblock Car Amplifier

• 1200 watts x 1 channel @ 4 ohm
• 1200 watts x 1 channel @ 2 ohm
• Total RMS Power: 1200 watts
• Class D 1.5 ohm Stable Monoblock Amplifier

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Kicker KPX300.4 (51KPX3004)

350W Peak (300W RMS) Class D KPX Series 4-Channel Motorcycle Amplifier

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Kicker KPX300.4 (51KPX3004)

350W Peak (300W RMS) Class D KPX Series 4-Channel Motorcycle Amplifier

• 45 watts x 4 channel @ 4 ohm
• 75 watts x 4 channel @ 2 ohm
• Bridged: 150 watts x 2 channel @ 4 ohm
• Total Peak Power: 350 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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• 45 watts x 4 channel @ 4 ohm
• 75 watts x 4 channel @ 2 ohm
• Bridged: 150 watts x 2 channel @ 4 ohm
• Total Peak Power: 350 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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Kicker KPX500.1 (51KPX5001)

750W Peak (500W RMS) Class D KPX Series Monoblock Motorcycle Amplifier

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Kicker KPX500.1 (51KPX5001)

750W Peak (500W RMS) Class D KPX Series Monoblock Motorcycle Amplifier

• 150 watts x 1 channel @ 4 ohm
• 300 watts x 1 channel @ 2 ohm
• 500 watts x 1 channel @ 1 ohm
• Total RMS Power: 500 watts
• Class D 1 ohm Stable Monoblock Amplifier

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• 150 watts x 1 channel @ 4 ohm
• 300 watts x 1 channel @ 2 ohm
• 500 watts x 1 channel @ 1 ohm
• Total RMS Power: 500 watts
• Class D 1 ohm Stable Monoblock Amplifier

Diamond Audio MICRO85U

1035W RMS Class D Micro8U Series 5-Channel Full Range Car Amplifier

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Diamond Audio MICRO85U

1035W RMS Class D Micro8U Series 5-Channel Full Range Car Amplifier

• + @ 4 ohm
• 85 watts x 1 channel + 375 watts x 1 channel @ 2 ohm
• Bridged: 200 watts x 1 channel @ 4 ohm + 375 watts x 1 channel @ 2 ohm
• Total RMS Power: 1035 watts
• Class D 2 ohm Stable 5-Channel-Channel Amplifier

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NVX NBA201

1400W Peak (700W RMS) Class AB N-Series 2-Channel Car Amplifier

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NVX NBA201

1400W Peak (700W RMS) Class AB N-Series 2-Channel Car Amplifier

• 200 watts x 2 channel @ 4 ohm
• 350 watts x 2 channel @ 2 ohm
• Bridged: 700 watts x 1 channel @ 4 ohm
• Total RMS Power: 700 watts
• Class A/B 2 ohm Stable 2-Channel Amplifier

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American Bass VFL Comp 2.5K (VFLCOMP-2.5K)

2500W RMS Class D VFL Comp Series Monoblock Car Amplifier (with Bass Remote)

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American Bass VFL Comp 2.5K (VFLCOMP-2.5K)

2500W RMS Class D VFL Comp Series Monoblock Car Amplifier (with Bass Remote)

• Total RMS Power: 2500 watts
• RMS Power: 2500 watts x 1 channel @ 1 ohm
• Class D Stable Monoblock Amplifier

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Alpine R2-A60F

600W RMS Class D R-Series 4 Channel Car Amplifier

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Alpine R2-A60F

600W RMS Class D R-Series 4 Channel Car Amplifier

• 100 watts x 4 channel @ 4 ohm
• 150 watts x 4 channel @ 2 ohm
• Bridged: 300 watts x 2 channel @ 4 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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Rockford Fosgate Power T400-4

400W RMS Class AB Power Series 4 Channel Car Amplifier

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Rockford Fosgate Power T400-4

400W RMS Class AB Power Series 4 Channel Car Amplifier

• 60 watts x 4 channel @ 4 ohm
• 100 watts x 4 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm
• Total RMS Power: 400 watts
• Class A/B 2 ohm Stable 4-Channel Amplifier

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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.
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Cerwin-Vega H800.4D

800W RMS Class D HED Series 4 Channel Car Amplifier

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Cerwin-Vega H800.4D

800W RMS Class D HED Series 4 Channel Car Amplifier

• 125 watts x 4 channel @ 4 ohm
• 200 watts x 4 channel @ 2 ohm
• Bridged: 400 watts x 2 channel @ 4 ohm
• Total RMS Power: 800 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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Sundown Audio SIA-3500D V2 (A-SIAV23500)

3500W RMS Class D SIA Series Monoblock Car Amplifier

Save 10% with Code: Holiday10View Terms
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Sundown Audio SIA-3500D V2 (A-SIAV23500)

3500W RMS Class D SIA Series Monoblock Car Amplifier

• 2600 watts x 1 channel @ 4 ohm
• 3300 watts x 1 channel @ 2 ohm
• 3500 watts x 1 channel @ 1 ohm
• Total RMS Power: 3500 watts
• Class D 1 ohm Stable Monoblock Amplifier

Save 30% off an NVX XKIT02 Amp Kit at Checkout!
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NVX XQA16005

1600W RMS Class D XQ-Series 5-Channel Car Amplifier with X-Boost (Hi-Res Audio Capable)

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NVX XQA16005

1600W RMS Class D XQ-Series 5-Channel Car Amplifier with X-Boost (Hi-Res Audio Capable)

• 125 watts x 4 channel + 300W x1 @ 4 ohm
• 200 watts x 4 channel + 500W x 1 @ 2 ohm
• Bridged: 400 watts x 2 channel @ 4 ohm + 800W @ 1 ohm
• Total RMS Power: 1600 watts
• Class D 1 ohm Stable 5-Channel Amplifier

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2026-06-28 23:59:00
Save 30% off an NVX XKIT06 Amp Kit at Checkout! Add a qualifying amplifier to your cart and save 30% on the NVX XKIT06 Amp Kit! No code needed — discount applies automatically at checkout.
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DS18 G3600.4D

3600W Peak (1680W RMS) Class D Gen-X Series 4-Channel Car Amplifier

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DS18 G3600.4D

3600W Peak (1680W RMS) Class D Gen-X Series 4-Channel Car Amplifier

• 300 watts x 4 channel @ 4 ohm
• 420 watts x 4 channel @ 2 ohm
• Bridged: 740 watts x 4 channel @ 4 ohm
• Total RMS Power: 1680 watts
• Class D 2 ohm Stable 4-Channel Amplifier

Save 30% off an NVX XKIT44 Amp Kit at Checkout!
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NVX XKIT44

NVX XKIT44

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Sundown Audio SIA-2500D (A-SIA2500)

2500W RMS Class D SIA Series Monoblock Car Amplifier

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Sundown Audio SIA-2500D (A-SIA2500)

2500W RMS Class D SIA Series Monoblock Car Amplifier

• 2000 watts x 1 channel @ 4 ohm
• 2500 watts x 1 channel @ 2 ohm
• 2500 watts x 1 channel @ 1 ohm
• Total RMS Power: 2500 watts
• Class D 1 ohm Stable Monoblock Amplifier

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NVX XKIT02

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NVX VADM4 Version 2 (VADM4v2) (Open Box, Great)

500W RMS V-Series Micro Full-Range Class D 4-Channel Amplifier Car/Marine/Powersports Amplifier

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NVX VADM4 Version 2 (VADM4v2) (Open Box, Great)

500W RMS V-Series Micro Full-Range Class D 4-Channel Amplifier Car/Marine/Powersports Amplifier

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

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Rockford Fosgate Punch PBR300X2

300W RMS Class BR Punch Series 2 Channel Car Amplifier

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Rockford Fosgate Punch PBR300X2

300W RMS Class BR Punch Series 2 Channel Car Amplifier

• 100 watts x 2 channel @ 4 ohm
• 150 watts x 2 channel @ 2 ohm
• Bridged: 300 watts x 1 channel @ 4 ohm
• Total RMS Power: 300 watts
• Class BR 2 ohm Stable 2-Channel Amplifier

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Belva BXA15001

1500W Peak BX-Series Class-AB Monoblock Car Amplifier with Bass Remote

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Belva BXA15001

1500W Peak BX-Series Class-AB Monoblock Car Amplifier with Bass Remote

• 750 watts x 1 channel @ 4 ohm
• 1500 watts x 1 channel @ 2 ohm
• Total Peak Power: 1500 watts
• Class A/B 2 ohm Stable Monoblock

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Rockford Fosgate Power T600-4

600W RMS Class AB Power Series 4 Channel Car Amplifier

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Rockford Fosgate Power T600-4

600W RMS Class AB Power Series 4 Channel Car Amplifier

• 100 watts x 4 channel @ 4 ohm
• 150 watts x 4 channel @ 2 ohm
• Bridged: 300 watts x 2 channel @ 4 ohm
• Total RMS Power: 600 watts
• Class A/B 2 ohm Stable 4-Channel Amplifier

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Hifonics BG-3000.1

3000W RMS Class D Brutus BG Series Monoblock Car Amplifier with Bass Remote

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Hifonics BG-3000.1

3000W RMS Class D Brutus BG Series Monoblock Car Amplifier with Bass Remote

• 1400 watts x 1 channel @ 4 ohm
• 2000 watts x 1 channel @ 2 ohm
• 3000 watts x 1 channel @ 1 ohm
• Total RMS Power: 3000 watts
• Class D 1 ohm Stable Monoblock Amplifier

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JL Audio HD600/4

600W RMS Class D HD Series 4 Channel Car Amplifier

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JL Audio HD600/4

600W RMS Class D HD Series 4 Channel Car Amplifier

• 150 watts x 4 channel @ 4 ohm
• 150 watts x 4 channel @ 2 ohm
• Bridged: 300 watts x 2 channel @ 4 ohm
• Total RMS Power: 600 watts
• Class D 1.5 ohm Stable 4-Channel Amplifier

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Pioneer GM-DX871

1600W Peak (800W RMS) Class D GM Series Monoblock Car Amplifier with Remote Bass

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Pioneer GM-DX871

1600W Peak (800W RMS) Class D GM Series Monoblock Car Amplifier with Remote Bass

• 300 watts x 1 channel @ 4 ohm
• 500 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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    Q: Can I upgrade or change the Universal-Fit Audio & Electronics in 2004 Ford Ranger?

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