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1987 Cadillac Eldorado

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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 1987 Cadillac Eldorado

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

Love your factory look or can't replace the stereo? We got you covered.

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Amplifiers,
Subwoofers (1,133)
Amplifiers (935)
Subwoofers with a box (780)
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RCA cables and accessories (261)
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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 (38)
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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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Kicker KMA600.4 (48KMA6004)

725W Peak (600W RMS) Class D KM Series 4-Channel Marine Amplifier

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Kicker KMA600.4 (48KMA6004)

725W Peak (600W RMS) Class D KM Series 4-Channel Marine Amplifier

• 75 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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• 75 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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Sundown Audio SALT-3

3000W RMS Class D SALT Series Monoblock Car Amplifier with Bass Remote (A-SALT3)

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Sundown Audio SALT-3

3000W RMS Class D SALT Series Monoblock Car Amplifier with Bass Remote (A-SALT3)

• 750 watts x 1 channel @ 4 ohm
• 1500 watts x 1 channel @ 2 ohm
• 3000 watts x 1 channel @ 1 ohm
• 6000 watts x 1 channel @ 2 ohm Bridged
• Total RMS Power: 3000 watts
• Class D 1 ohm Stable Monoblock Amplifier

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NVX - Worth the Envy - Direct to Consumer Car Audio

Kicker CXA660.5T (46CXA6605T)

660W RMS Class AB CX-Series 5 Channel Car Amplifier

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Kicker CXA660.5T (46CXA6605T)

660W RMS Class AB CX-Series 5 Channel Car Amplifier

• 65 watts x 4 channel + 150 watts x 1 channel @ 4 ohm
• 90 watts x 4 channel + 300 watts x 1 channel @ 2 ohm
• Bridged: 180 watts x 2 channel @ 4 ohm + 300 watts x 1 channel @ 2 ohm
• Total RMS Power: 660 watts
• Class A/B 2 ohm Stable 5-Channel Amplifier

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• 65 watts x 4 channel + 150 watts x 1 channel @ 4 ohm
• 90 watts x 4 channel + 300 watts x 1 channel @ 2 ohm
• Bridged: 180 watts x 2 channel @ 4 ohm + 300 watts x 1 channel @ 2 ohm
• Total RMS Power: 660 watts
• Class A/B 2 ohm Stable 5-Channel Amplifier

Kenwood eXcelon XR901-5

900W RMS Class D eXcelon Reference Series 5-Channel Car Amplifier with Bass Remote (Hi-Res Audio Certified)

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Kenwood eXcelon XR901-5

900W RMS Class D eXcelon Reference Series 5-Channel Car Amplifier with Bass Remote (Hi-Res Audio Certified)

• 60 watts x 4 channel + 400 watts x 1 channel @ 4 ohm
• 75 watts x 4 channel + 600 watts x 1 channel @ 2 ohm
• Bridged: 150 watts x 2 channel @ 4 ohm + 600 watts x 1 channel @ 2 ohm
• Total RMS Power: 900 watts
• Class D 2 ohm Stable 5-Channel Amplifier

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Sundown Audio SFB-1000D (A-SFBV21000)

1000W RMS Class D SFB Series Monoblock Car Amplifier

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Sundown Audio SFB-1000D (A-SFBV21000)

1000W RMS Class D SFB Series Monoblock Car Amplifier

• 500 watts x 1 channel @ 4 ohm
• 850 watts x 1 channel @ 2 ohm
• 1000 watts x 1 channel @ 1 ohm
• Total RMS Power: 1000 watts
• Class D 1 ohm Stable Monoblock Amplifier

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Kicker LX3000.1 (51LX30001)

3800W Peak (3000W RMS) Class D LX Series Monoblock Car Amplifier (with RGB LED-Lit Bass Remote)

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Kicker LX3000.1 (51LX30001)

3800W Peak (3000W RMS) Class D LX Series Monoblock Car Amplifier (with RGB LED-Lit Bass Remote)

• 1100 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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Deaf Bonce MFA 4.320

1920W RMS Class D Machete Series 4 Channel Car Amplifier

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Deaf Bonce MFA 4.320

1920W RMS Class D Machete Series 4 Channel Car Amplifier

• 320 watts x 4 channel @ 4 ohm
• 480 watts x 4 channel @ 2 ohm
• Bridged: 960 watts x 2 channel @ 4 ohm
• Total RMS Power: 1920 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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$319.90

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NVX XKIT44

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Kicker LX1200.5 (51LX12005)

1500W Peak (1200W RMS) Class D LX Series 5-Channel Full Range Car Amplifier (with Bass Remote and Control Center)

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Kicker LX1200.5 (51LX12005)

1500W Peak (1200W RMS) Class D LX Series 5-Channel Full Range Car Amplifier (with Bass Remote and Control Center)

• 125 watts x 4 channel + 300 watts x 1 channel @ 4 ohm
• 175 watts x 4 channel + 550 watts x 1 channel @ 2 ohm
• 700 watts x 1 channel @ 1 ohm
• Bridged: 350 watts x 2 channel @ 4 ohm + 550 watts x 1 channel @ 2 ohm
• Total RMS Power: 1200 watts
• Class D 1 ohm Stable 5-Channel Amplifier

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Sundown Audio SIA-1250D (A-SIA1250)

1250W RMS Class D SIA Series Monoblock Car Amplifier

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Sundown Audio SIA-1250D (A-SIA1250)

1250W RMS Class D SIA Series Monoblock Car Amplifier

• 800 watts x 1 channel @ 4 ohm
• 1250 watts x 1 channel @ 2 ohm
• 1250 watts x 1 channel @ 1 ohm
• Total RMS Power: 1250 watts
• Class D 1 ohm Stable Monoblock Amplifier

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Rockford Fosgate Punch P500X1BD

500W RMS Class BD Punch Series Monoblock Car Amplifier

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Rockford Fosgate Punch P500X1BD

500W RMS Class BD Punch Series Monoblock Car Amplifier

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

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List price $429.99
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Hertz SP 4.900

1000W RMS Class D SPL Show Series 4-channel Full Range Car Amplifier

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Hertz SP 4.900

1000W RMS Class D SPL Show Series 4-channel Full Range Car Amplifier

• 4 Channel: 160 watts x 4 channel @ 4 ohm
• 4 Channel: 250 watts x 4 channel @ 2 ohm
• 3 Channel: 160 watts x 2 channel @ 4 ohm + 500 watts x 1 channel @ 4 ohm
• 3 Channel: 250 watts x 2 channel @ 2 ohm + 500 watts x 1 channel @ 4 ohm
• 2 Channel: 500 watts x 2 channel @ 4-ohm
• Total RMS Power: 1000 watts
• CEA-2006 Compliant
• Class D 2 ohm Stable 4-Channel-Channel Amplifier

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List price $800.00
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Rockford Fosgate Prime R2 R2-300X4

300W RMS Class D Prime Series 4 Channel Car Amplifier

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Rockford Fosgate Prime R2 R2-300X4

300W RMS Class D Prime Series 4 Channel Car Amplifier

• 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

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Alpine S2-A55V

540W RMS Class D S-Series 5 Channel Car Amplifier

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Alpine S2-A55V

540W RMS Class D S-Series 5 Channel Car Amplifier

• 40 watts x 4 channel + 200 watts x 1 channel @ 4 ohm
• 60 watts x 4 channel + 300 watts x 1 channel @ 2 ohm
• Bridged: 120 watts x 2 channel @ 4 ohm + 300 watts x 1 channel @ 2 ohm
• Total RMS Power: 540 watts
• Class D 2 ohm Stable 5-Channel Amplifier

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Deaf Bonce Apocalypse ATOM 1600.1 PRO (Open Box, Good)

1600W RMS Class D Apocalypse Atom Pro Series Monoblock Car Amplifier with Bass Remote

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Deaf Bonce Apocalypse ATOM 1600.1 PRO (Open Box, Good)

1600W RMS Class D Apocalypse Atom Pro Series Monoblock Car Amplifier with Bass Remote

• 550 watts x 1 channel @ 4 ohm
• 1010 watts x 1 channel @ 2 ohm
• 1600 watts x 1 channel @ 1 ohm
• Total RMS Power: 1600 watts
• Class D 1 ohm Stable Monoblock Amplifier

10% Off Open Box!
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List price $229.90
-40% $137.94
$124.15 with coupon | Price details

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• 550 watts x 1 channel @ 4 ohm
• 1010 watts x 1 channel @ 2 ohm
• 1600 watts x 1 channel @ 1 ohm
• Total RMS Power: 1600 watts
• Class D 1 ohm Stable Monoblock Amplifier

AudioControl A800.1

800W RMS Class D Altitude Series Monoblock Car Amplifier

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AudioControl A800.1

800W RMS Class D Altitude Series Monoblock Car Amplifier

• 400 watts x 1 channel @ 4 ohm
• 600 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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Crunch GP-1000.4

1000W Peak Class AB GP Series 4-Channel Full Range Car Amplifier

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Crunch GP-1000.4

1000W Peak Class AB GP Series 4-Channel Full Range Car Amplifier

• 125 watts x 4 channel @ 4 ohm
• 250 watts x 4 channel @ 2 ohm
• Bridged: 500 watts x 2 channel @ 4 ohm
• Total Peak Power: 1000 watts
• Class A/B 2 ohm Stable 4-Channel Amplifier

Save 30% off an NVX XKIT44 Amp Kit at Checkout!
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Rockford Fosgate Punch P600X4

600W RMS Class AB Punch Series 4 Channel Car Amplifier

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Rockford Fosgate Punch P600X4

600W RMS Class AB Punch Series 4 Channel Car Amplifier

• 75 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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Alpine R2-A75M

750W RMS Class D R-Series Monoblock Car Amplifier

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Alpine R2-A75M

750W RMS Class D R-Series Monoblock Car Amplifier

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

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Kenwood eXcelon X303-4 (Like New (Open Box))

600W Peak (300W RMS) Class D eXcelon Series 4 Channel Car Amplifier

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Kenwood eXcelon X303-4 (Like New (Open Box))

600W Peak (300W RMS) Class D eXcelon Series 4 Channel Car Amplifier

• 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

10% Off Open Box!
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List price $400.00
-36% $254.99
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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

Limited time!

Stinger SPX1000X5

1100W RMS Class D 5-Channel Marine and Powersport Amplifier with Bluetooth and Bass Remote

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Stinger SPX1000X5

1100W RMS Class D 5-Channel Marine and Powersport Amplifier with Bluetooth and Bass Remote

• 95 watts x 4 channel + 275 watts x 1 channel @ 4 ohm
• 150 watts x 4 channel + 500 watts x 1 channel @ 2 ohm
• Bridged: 300 watts x 2 channel @ 4 ohm + 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 1100 watts
• Class D 2 ohm Stable 5-Channel Amplifier

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• 95 watts x 4 channel + 275 watts x 1 channel @ 4 ohm
• 150 watts x 4 channel + 500 watts x 1 channel @ 2 ohm
• Bridged: 300 watts x 2 channel @ 4 ohm + 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 1100 watts
• Class D 2 ohm Stable 5-Channel Amplifier

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    FAQ for Universal-Fit Audio & Electronics in 1987 Eldorado

    Q: Can I upgrade or change the Universal-Fit Audio & Electronics in 1987 Cadillac Eldorado?

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

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