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1982 Cadillac DeVille

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Use our shopping filters to find the right 2/3/4-channel amp to power upgraded speakers properly.

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

Amps for Adding Speakers for 1982 Cadillac DeVille

Some vehicles require an amp bypass module, a line-output converter like the NVX XLCA2 or AudioControl LC2i, or a DSP to integrate with your factory radio and avoid bass roll-off. Bass roll-off occurs when a factory radio's crossover is designed only for the original equipment speakers, resulting in a not complete signal being sent to your new aftermarket amp.

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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.
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.
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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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Hertz HCP 2

400W Peak (170W RMS) Class AB Hertz Compact Power (HCP) Series 2-Channel Car Amplifier

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Hertz HCP 2

400W Peak (170W RMS) Class AB Hertz Compact Power (HCP) Series 2-Channel Car Amplifier

• 55 watts x 2 channel @ 4 ohm
• 85 watts x 2 channel @ 2 ohm
• Bridged: 170 watts x 1 channel @ 4 ohm
• Total RMS Power: 200 watts
• Class A/B 2 ohm Stable 2-Channel-Channel Amplifier

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NVX XKIT82

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Kicker LX500.4 (51LX5004)

1100W Peak (900W RMS) Class D LX Series 4-Channel Full Range Car Amplifier (with Control Center)

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Kicker LX500.4 (51LX5004)

1100W Peak (900W RMS) Class D LX Series 4-Channel Full Range Car Amplifier (with Control Center)

• 125 watts x 4 channel @ 4 ohm
• 225 watts x 4 channel @ 2 ohm
• Bridged: 450 watts x 2 channel @ 4 ohm
• Total RMS Power: 900 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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MB Quart NA4-400.2

400W RMS Class D Nautic Series 2-Channel Marine and Powersports Amplifier

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MB Quart NA4-400.2

400W RMS Class D Nautic Series 2-Channel Marine and Powersports Amplifier

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

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

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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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JL Audio VX800/8i

800W RMS Class D VXi Series 8 Channel Car Amplifier with Built-in DSP

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JL Audio VX800/8i

800W RMS Class D VXi Series 8 Channel Car Amplifier with Built-in DSP

• 75 watts x 8 channel @ 4 ohm
• 100 watts x 8 channel @ 2 ohm
• Bridged: 200 watts x 4 channel @ 4 ohm
• Total RMS Power: 800 watts
• Class D 2 ohm Stable 8-Channel Amplifier
• Includes integrated DSP

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Rockford Fosgate Punch Marine PM1000X5

1000W RMS Class AB/BD Punch Series 5 Channel Marine Amplifier

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Rockford Fosgate Punch Marine PM1000X5

1000W RMS Class AB/BD Punch Series 5 Channel Marine Amplifier

• 75 watts x 4 channel + 150 watts x 1 channel @ 4 ohm
• 125 watts x 4 channel + 300 watts x 1 channel @ 2 ohm
• 700 watts x 1 channel @ 1 ohm (subwoofer output)
• Bridged: @ 4 ohm
• Total RMS Power: 1000 watts
• Class AB / BD 2 ohm Stable 5-Channel Amplifier

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• 75 watts x 4 channel + 150 watts x 1 channel @ 4 ohm
• 125 watts x 4 channel + 300 watts x 1 channel @ 2 ohm
• 700 watts x 1 channel @ 1 ohm (subwoofer output)
• Bridged: @ 4 ohm
• Total RMS Power: 1000 watts
• Class AB / BD 2 ohm Stable 5-Channel Amplifier

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Sundown Audio SFB500.4 (A-SFBV25004)

2000W RMS Class D SFB Series 4-Channel Car Amplifier

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Sundown Audio SFB500.4 (A-SFBV25004)

2000W RMS Class D SFB Series 4-Channel Car Amplifier

• 500 watts x 4 channel @ 4 ohm
• 300 watts x 4 channel @ 2 ohm
• 200 watts x 4 channel @ 1 ohm
• Total RMS Power: 2000 watts
• Class D 1 ohm Stable 4-Channel Amplifier

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NVX XKIT84

$79.99

$55.99

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Alpine KTA-450 with NVX 8 Gauge Amp Kit

4-Channel 200 Watt RMS Power Pack Amplifier

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Alpine KTA-450 with NVX 8 Gauge Amp Kit

4-Channel 200 Watt RMS Power Pack Amplifier

• Class D 4-channels Power Pack Amplifier
• Power Handling: 50W RMS x 4 @ 4ohm/45W RMS x 4 @ 2ohm
• Dynamic Peak Power (DPP)
• Frequency Response: 15-50 Hz
• CTA-2006 compliant
• Includes Amplifier Wiring Kit

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List price $467.99
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• Class D 4-channels Power Pack Amplifier
• Power Handling: 50W RMS x 4 @ 4ohm/45W RMS x 4 @ 2ohm
• Dynamic Peak Power (DPP)
• Frequency Response: 15-50 Hz
• CTA-2006 compliant
• Includes Amplifier Wiring Kit

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DS18 SXE-1200.4/RD

1200W Peak (400W RMS) Class AB SXE Series 4 Channel Full Range Car Amplifier

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DS18 SXE-1200.4/RD

1200W Peak (400W RMS) Class AB SXE Series 4 Channel Full Range 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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NVX XKIT44

NVX XKIT44

$119.99

$83.99

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Alpine Status HDA-V90

900W RMS Class D Status Series 5 Channel High-Resolution Car Amplifier

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Alpine Status HDA-V90

900W RMS Class D Status Series 5 Channel High-Resolution Car Amplifier

• 75 watts x 4 channel + 300 watts x 1 channel @ 4 ohm
• 100 watts x 4 channel + 500 watts x 1 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm + 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 900 watts
• Class D 2 ohm Stable 5-Channel Amplifier

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Kenwood eXcelon X303-4

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

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Kenwood eXcelon X303-4

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

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Like New from: $254.99

Alpine Status HDA-F60

600W RMS Class D Status Series 4 Channel High-Resolution Car Amplifier

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Alpine Status HDA-F60

600W RMS Class D Status Series 4 Channel High-Resolution 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 Punch P500X2

500W RMS Class AB Punch Series 2 Channel Car Amplifier

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Rockford Fosgate Punch P500X2

500W RMS Class AB Punch Series 2 Channel Car Amplifier

• 150 watts x 2 channel @ 4 ohm
• 250 watts x 2 channel @ 2 ohm
• Bridged: 500 watts x 1 channel @ 4 ohm
• Total RMS Power: 500 watts
• Class A/B 2 ohm Stable 2-Channel Amplifier

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DS18 ION1600.4D

4800W Peak (1600W RMS) Class D ION Series 4 Channel Full Range Car Amplifier

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DS18 ION1600.4D

4800W Peak (1600W RMS) Class D ION Series 4 Channel Full Range Car Amplifier

• 240 watts x 4 channel @ 4 ohm
• 400 watts x 4 channel @ 2 ohm
• Bridged: 800 watts x 2 channel @ 4 ohm
• Total RMS Power: 1600 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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NVX XKIT44

NVX XKIT44

$119.99

$83.99

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JL Audio AP600/6

600W RMS Class D AP Series 6-Channel Marine Amplifier

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JL Audio AP600/6

600W RMS Class D AP Series 6-Channel Marine 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: 600 watts
• Class D 2 ohm Stable 6-Channel Amplifier

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List price $755.99
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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: 600 watts
• Class D 2 ohm Stable 6-Channel Amplifier

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Kicker KMA360.4 (48KMA3604)

500W Peak (360W RMS) Class AB KMA Series 4-Channel Marine Amplifier

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Kicker KMA360.4 (48KMA3604)

500W Peak (360W RMS) Class AB KMA Series 4-Channel Marine Amplifier

• 65 watts x 4 channel @ 4 ohm
• 90 watts x 4 channel @ 2 ohm
• Bridged: 180 watts x 2 channel @ 4 ohm
• Total RMS Power: 360 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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• 65 watts x 4 channel @ 4 ohm
• 90 watts x 4 channel @ 2 ohm
• Bridged: 180 watts x 2 channel @ 4 ohm
• Total RMS Power: 360 watts
• Class D 2 ohm Stable 4-Channel Amplifier

Hifonics Brutus BRL1200.4

1200W RMS Class D Brutus BRL Series 4-Channel Car Amplifier

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Hifonics Brutus BRL1200.4

1200W RMS Class D Brutus BRL Series 4-Channel Car Amplifier

• 150 watts x 4 channel @ 4 ohm
• 300 watts x 4 channel @ 2 ohm
• Bridged: 600 watts x 2 channel @ 4 ohm
• Total RMS Power: 1200 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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DS18 FRP-2.4K4/BL

2400W RMS Class D FRP Series 4-Channel Car Amplifier (Black)

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DS18 FRP-2.4K4/BL

2400W RMS Class D FRP Series 4-Channel Car Amplifier (Black)

• 250 watts x 4 channel @ 4 ohm
• 400 watts x 4 channel @ 2 ohm
• 600 watts x 4 channel @ 1 ohm
• Bridged: 750 watts x 2 channel @ 4 ohm
• Bridged: 1000 watts x 2 channel @ 2 ohm
• Total RMS Power: 2400 watts
• Class D 1 ohm Stable 4-Channel Amplifier

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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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AudioControl A1100.5

1100W RMS Class D Altitude Series 5-Channel Car Amplifier with ParaBASS Control Knob

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AudioControl A1100.5

1100W RMS Class D Altitude Series 5-Channel Car Amplifier with ParaBASS Control Knob

• 90 watts x 4 channel + 400 watts x 1 channel @ 4 ohm
• 400 watts x 1 channel + 600 watts x 1 channel @ 2 ohm
• Bridged: 250 watts x 2 channel @ 4 ohm + 600 watts x 1 channel @ 2 ohm
• Total RMS Power: 1100 watts
• Class D 4 ohm Stable 5-Channel-Channel Amplifier

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    FAQ for Multi-channel Amplifiers for Adding Speakers in 1982 DeVille

    Q: Can I upgrade or change the Multi-channel Amplifiers for Adding Speakers in 1982 Cadillac DeVille?

    A: Yes this page includes all the best Multi-channel Amplifiers for Adding Speakers that work in your DeVille.

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