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2003 Subaru Outback

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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 2003 Subaru Outback

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

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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.
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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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MTX MA400.4

400W RMS Class D MA Series 4-Channel Marine Amplifier

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MTX MA400.4

400W RMS Class D MA Series 4-Channel Marine Amplifier

• 50 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 D 2 ohm Stable 4-Channel Amplifier

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• 50 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 D 2 ohm Stable 4-Channel Amplifier

JL Audio XDM1000/5

1000W RMS Class D XDM Series 5 Channel Car and Marine Amplifier

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JL Audio XDM1000/5

1000W RMS Class D XDM Series 5 Channel Car and Marine Amplifier

• 75 watts x 4 channel + 400 watts x 1 channel @ 4 ohm
• 100 watts x 4 channel + 600 watts x 1 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm + 600 watts x 1 channel @ 2 ohm
• Total RMS Power: 1000 watts
• Class D 2 ohm Stable 5-Channel Amplifier

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JL Audio JD700/5

700W RMS Class D JD Series 5-Channel Car Amplifier

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JL Audio JD700/5

700W RMS Class D JD Series 5-Channel Car Amplifier

• 75 watts x 4 channel + 180 watts x 1 channel @ 4 ohm
• 100 watts x 4 channel + 300 watts x 1 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm + 300 watts x 1 channel @ 2 ohm
• Total RMS Power: 700 watts
• Class D 2 ohm Stable 5-Channel Amplifier

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PRV Audio RS1400 BASS 1 Ohm

1400W RMS Class D RS Series Monoblock Car Amplifier

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PRV Audio RS1400 BASS 1 Ohm

1400W RMS Class D RS Series Monoblock Car Amplifier

• 1000 watts x 1 channel @ 2 ohm
• 1400 watts x 1 channel @ 1 ohm
• Total RMS Power: 1400 watts
• Class D 1 ohm Stable Monoblock Amplifier

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Boss Elite BE600.2D

600W Peak (450W RMS) Class D Elite Series 2 Channel Car Amplifier

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Boss Elite BE600.2D

600W Peak (450W RMS) Class D Elite Series 2 Channel Car Amplifier

• 113 watts x 2 channel @ 4 ohm
• 225 watts x 2 channel @ 2 ohm
• Bridged: 450 watts x 1 channel @ 4 ohm
• Total RMS Power: 450 watts
• Class D 2 ohm Stable 2-Channel Amplifier

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List price $199.99
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NVX XKIT82

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Cerwin-Vega CVPRO2K4

2080W RMS Class D CV PRO Series 4 Channel Car Amplifier

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Cerwin-Vega CVPRO2K4

2080W RMS Class D CV PRO Series 4 Channel Car Amplifier

• 325 watts x 4 channel @ 4 ohm
• 520 watts x 4 channel @ 2 ohm
• Bridged: 1000 watts x 2 channel @ 4 ohm
• Total RMS Power: 2080 watts
• Class D 2 ohm Stable 4-Channel Amplifier

Save 30% off an NVX XKIT44 Amp Kit at Checkout!
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Boss Elite BE600.4D

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

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Boss Elite BE600.4D

600W RMS Class D Elite 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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JL Audio AP300/4

300W RMS Class D AP Series 4-Channel Marine and Powersports Amplifier with Built-in LCD Display

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JL Audio AP300/4

300W RMS Class D AP Series 4-Channel Marine and Powersports Amplifier with Built-in LCD Display

• 50 watts x 4 channel @ 4 ohm
• 75 watts x 4 channel @ 2 ohm
• Bridged: 150 watts x 2 channel @ 4 ohm
• Total RMS Power: 300 watts
• Class D 2 ohm Stable 4-Channel Amplifier
• Built-in LCD display for manual control
• Can be paired with a Fusion stereo with built-in DSP
• Easy Tune feature via Fusion Audio app
• Control Fusion Audio app via smartphone

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List price $599.99
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• 50 watts x 4 channel @ 4 ohm
• 75 watts x 4 channel @ 2 ohm
• Bridged: 150 watts x 2 channel @ 4 ohm
• Total RMS Power: 300 watts
• Class D 2 ohm Stable 4-Channel Amplifier
• Built-in LCD display for manual control
• Can be paired with a Fusion stereo with built-in DSP
• Easy Tune feature via Fusion Audio app
• Control Fusion Audio app via smartphone

JL Audio XDM500/3

500W RMS Class D XDM Series 3 Channel Car and Marine Amplifier

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JL Audio XDM500/3

500W RMS Class D XDM Series 3 Channel Car and Marine Amplifier

• 75 watts x 2 channel + 180 watts x 1 channel @ 4 ohm
• 100 watts x 2 channel + 300 watts x 1 channel @ 2 ohm
• Bridged: 200 watts x 1 channel @ 4 ohm + 300 watts x 1 channel @ 2 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable 3-Channel Amplifier

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$679.99

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Used from: $577.99

Planet Audio MB2000.1D

2000W Peak (1500W RMS) Class D Planet Pro Series Monoblock Car Amplifier with Bass Remote

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Planet Audio MB2000.1D

2000W Peak (1500W RMS) Class D Planet Pro Series Monoblock Car Amplifier with Bass Remote

• 375 watts x 1 channel @ 4 ohm
• 750 watts x 1 channel @ 2 ohm
• 1500 watts x 1 channel @ 1 ohm
• Total RMS Power: 1500 watts
• Class D 2 ohm Stable Monoblock Amplifier

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List price $169.99
-14% $145.99

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Crunch DR-2125.2D

2125W Peak Class D V-Drive Series 2-Channel Car Amplifier

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Crunch DR-2125.2D

2125W Peak Class D V-Drive Series 2-Channel Car Amplifier

• 530 watts x 2 channel @ 4 ohm
• 1060 watts x 2 channel @ 2 ohm
• Bridged: 2125 watts x 1 channel @ 4 ohm
• Total peak power output: 2125 watts
• Class D 2 ohm Stable 2-Channel Amplifier

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List price $95.99
-6% $89.99

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MB Quart QA1-1500.1D

1500W Peak Class D Q-Series Monoblock Car Amplifier with Bass Remote

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MB Quart QA1-1500.1D

1500W Peak Class D Q-Series Monoblock Car Amplifier with Bass Remote

• 750 watts x 1 channel @ 4 ohm
• 1100 watts x 1 channel @ 2 ohm
• 1500 watts x 1 channel @ 1 ohm
• Total RMS Power: 1500 watts
• Class D 1 ohm Stable Monoblock Amplifier

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List price $399.99
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• 750 watts x 1 channel @ 4 ohm
• 1100 watts x 1 channel @ 2 ohm
• 1500 watts x 1 channel @ 1 ohm
• Total RMS Power: 1500 watts
• Class D 1 ohm Stable Monoblock Amplifier

Hifonics BG-1100.4

1100W RMS Class D Brutus BG Series 4-Channel Car Amplifier

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Hifonics BG-1100.4

1100W RMS Class D Brutus BG Series 4-Channel Car Amplifier

• 175 watts x 4 channel @ 4 ohm
• 275 watts x 4 channel @ 2 ohm
• Bridged: 550 watts x 2 channel @ 4 ohm
• Total RMS Power: 1100 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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• 175 watts x 4 channel @ 4 ohm
• 275 watts x 4 channel @ 2 ohm
• Bridged: 550 watts x 2 channel @ 4 ohm
• Total RMS Power: 1100 watts
• Class D 2 ohm Stable 4-Channel Amplifier

Cerwin-Vega XED11001D

1300W Peak (1100W RMS) Class D XED Series Monoblock Car Amplifier with Bass Remote

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Cerwin-Vega XED11001D

1300W Peak (1100W RMS) Class D XED Series Monoblock Car Amplifier with Bass Remote

• 650 watts x 1 channel @ 4 ohm
• 1100 watts x 1 channel @ 2 ohm
• Total RMS Power: 1100 watts
• Class D 2 ohm Stable Monoblock Amplifier

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Sundown Audio SFB1000.4D (A-SFB10004)

4000W RMS Class D SFB Series 4-Channel Car Amplifier

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Sundown Audio SFB1000.4D (A-SFB10004)

4000W RMS Class D SFB Series 4-Channel Car Amplifier

• 325 watts x 4 channel @ 4 ohm
• 550 watts x 4 channel @ 2 ohm
• 1000 watts x 4 channel @ 1 ohm
• Total RMS Power: 4000 watts
• Class D 1 ohm Stable 4-Channel Amplifier

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NVX XKIT04

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Wet Sounds HTM-4

600W RMS Class D HTM Series 4 Channel Marine Amplifier with LED Backlit Badge

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Wet Sounds HTM-4

600W RMS Class D HTM Series 4 Channel Marine Amplifier with LED Backlit Badge

• 85 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 Marine Amplifier

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• 85 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 Marine Amplifier

American Bass VFL REBEL 900.4

880W RMS Class D VFL Rebel Series 4-Channel Car and Motorcycle Amplifier

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American Bass VFL REBEL 900.4

880W RMS Class D VFL Rebel Series 4-Channel Car and Motorcycle Amplifier

• 150 watts x 4 channel @ 4 ohm
• 220 watts x 4 channel @ 2 ohm
• Bridged: 440 watts x 2 channel @ 4 ohm
• Total RMS Power: 880 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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MB Quart NA2-320.4

320W Peak Class D Nautic Series 4 Channel Marine and Powersports Amplifier

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MB Quart NA2-320.4

320W Peak Class D Nautic Series 4 Channel Marine and Powersports Amplifier

• 40 watts x 4 channel @ 4 ohm
• 80 watts x 4 channel @ 2 ohm
• Total Power: 320 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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• 40 watts x 4 channel @ 4 ohm
• 80 watts x 4 channel @ 2 ohm
• Total Power: 320 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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American Bass VFL REBEL 5000.1

5000W RMS Class D VFL Rebel Series Monoblock Full Range Amplifier

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American Bass VFL REBEL 5000.1

5000W RMS Class D VFL Rebel Series Monoblock Full Range Amplifier

• 1600 watts x 1 channel @ 4 ohm
• 3400 watts x 1 channel @ 2 ohm
• 5000 watts x 1 channel @ 1 ohm
• Total RMS Power: 500 watts
• Class D 1 ohm Stable Monoblock Amplifier

Save 30% off an NVX XKIT02 Amp Kit at Checkout!
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MB Quart PA1-2400.4

2400W Peak Class D Premium Pro Series 4-Channel Car Amplifier

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MB Quart PA1-2400.4

2400W Peak Class D Premium Pro Series 4-Channel Car Amplifier

• 400 watts x 4 channel @ 4 ohm
• 600 watts x 4 channel @ 2 ohm
• Bridged: 1200 watts x 2 channel @ 4 ohm
• Total Peak Power: 2400 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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• 400 watts x 4 channel @ 4 ohm
• 600 watts x 4 channel @ 2 ohm
• Bridged: 1200 watts x 2 channel @ 4 ohm
• Total Peak Power: 2400 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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    FAQ for Universal-Fit Audio & Electronics in 2003 Outback

    Q: Can I upgrade or change the Universal-Fit Audio & Electronics in 2003 Subaru Outback?

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