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2003 Jaguar Vanden Plas

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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 2003 Jaguar Vanden Plas

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.
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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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Sound Extreme by ECOXGEAR SEI-AMP30041

300W RMS Class D 4 Channel High Definition Marine and Powersports Amplifier

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Sound Extreme by ECOXGEAR SEI-AMP30041

300W RMS Class D 4 Channel High Definition Marine and Powersports Amplifier

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

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

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Cerwin-Vega CVP1400.4

1400W Peak (560W RMS) Class D CVP Series 4-Channel Car Amplifier

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Cerwin-Vega CVP1400.4

1400W Peak (560W RMS) Class D CVP Series 4-Channel Car Amplifier

• 80 watts x 4 channel @ 4 ohm
• 140 watts x 4 channel @ 2 ohm
• Bridged: 290 watts x 2 channel @ 4 ohm
• Total RMS Power: 560 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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NVX - Worth the Envy - Direct to Consumer Car Audio

Hifonics HAC-2000.4D Colossus Pro

2000W Peak Class D Colossus Pro Series 4 Channel Car Amplifier

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Hifonics HAC-2000.4D Colossus Pro

2000W Peak Class D Colossus Pro Series 4 Channel Car Amplifier

• 175 watts x 4 channel @ 4 ohm
• 300 watts x 4 channel @ 2 ohm
• 500 watts x 4 channel @ 1 ohm
• Bridged: 750 watts x 2 channel @ 4 ohm
• Class D 1 ohm Stable 4-Channel Amplifier

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• 175 watts x 4 channel @ 4 ohm
• 300 watts x 4 channel @ 2 ohm
• 500 watts x 4 channel @ 1 ohm
• Bridged: 750 watts x 2 channel @ 4 ohm
• Class D 1 ohm Stable 4-Channel Amplifier

MB Quart PA1-400.4

400W Peak Class D Premium Pro Series 4-Channel Car Amplifier

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MB Quart PA1-400.4

400W Peak Class D Premium Pro Series 4-Channel Car Amplifier

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

Hifonics HCM-400.4D Colossus Mini

400W Peak Class D Colossus Mini Series 4 Channel Amplifier

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Hifonics HCM-400.4D Colossus Mini

400W Peak Class D Colossus Mini Series 4 Channel Amplifier

• 50 watts x 4 channel @ 4 ohm
• 100 watts x 4 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm
• Class D 2 ohm Stable 4-Channel Amplifier

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Crunch DR-2525.4D

2525W Peak Class D V-Drive Series 4-Channel Car Amplifier

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Crunch DR-2525.4D

2525W Peak Class D V-Drive Series 4-Channel Car Amplifier

• 320 watts x 4 channel @ 4 ohm
• 630 watts x 4 channel @ 2 ohm
• Bridged: 1260 watts x 2 channel @ 4 ohm
• Total RMS Power:
• Class D 2 ohm Stable 4-Channel Amplifier

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Deaf Bonce Apocalypse ASA 1500.2

1500W RMS Class D Apocalypse Sport Series 2-Channel Car Amplifier

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Deaf Bonce Apocalypse ASA 1500.2

1500W RMS Class D Apocalypse Sport Series 2-Channel Car Amplifier

• 550 watts x 2 channel @ 4 ohm
• 890 watts x 2 channel @ 2 ohm
• 1500 watts x 2 channel @ 1 ohm
• Bridged: 1780 watts x 1 channel @ 4 ohm
• Bridged: 3020 watts @ 2 ohm
• Total RMS Power: 1500 watts
• Class D 1 ohm Stable 2-Channel-Channel Amplifier

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NVX XKIT02

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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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NVX XKIT82

NVX XKIT82

$79.99

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Hifonics HAC-3000.4D Colossus Pro

3000W Peak Class D Colossus Pro Series 4 Channel Car Amplifier

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Hifonics HAC-3000.4D Colossus Pro

3000W Peak Class D Colossus Pro Series 4 Channel Car Amplifier

• 300 watts x 4 channel @ 4 ohm
• 500 watts x 4 channel @ 2 ohm
• 800 watts x 4 channel @ 1 ohm
• Bridged: 900 watts x 2 channel @ 4 ohm
• Class D 1 ohm Stable 4-Channel Amplifier

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List price $649.99
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• 300 watts x 4 channel @ 4 ohm
• 500 watts x 4 channel @ 2 ohm
• 800 watts x 4 channel @ 1 ohm
• Bridged: 900 watts x 2 channel @ 4 ohm
• Class D 1 ohm Stable 4-Channel Amplifier

Limited time!

Sundown Audio SALT-1700.5

1700W RMS Class D SALT Series 5-Channel Full Range Car Amplifier

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Sundown Audio SALT-1700.5

1700W RMS Class D SALT Series 5-Channel Full Range Car Amplifier

• 125 watts x 4 channel + 480 watts x 1 channel @ 4 ohm
• 220 watts x 4 channel + 800 watts x 1 channel @ 2 ohm
• 1300 watts x 1 channel @ 1 ohm
• Total RMS Power: 1700 watts
• Class D 1 ohm Stable 5-Channel Amplifier

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NVX XKIT06

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Cerwin-Vega XED8005D

1000W Peak (660W RMS) Class D XED Series 5 Channel Car Amplifier with Bass Remote

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Cerwin-Vega XED8005D

1000W Peak (660W RMS) Class D XED Series 5 Channel Car Amplifier with Bass Remote

• 65 watts x 4 channel + 200 watts x 1 channel @ 4 ohm
• 90 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: 660 watts
• Class D 2 ohm Stable 5-Channel Amplifier

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Crunch PZ2-2030.2D

2000W Peak Class D Powerzone 2 Series 2-Channel Car Amplifier

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Crunch PZ2-2030.2D

2000W Peak Class D Powerzone 2 Series 2-Channel Car Amplifier

• @ 4 ohm
• @ 2 ohm
• Bridged: @ 4 ohm
• Total RMS Power:
• Class D 2 ohm Stable 2-Channel Amplifier

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Kicker KXMA500.4 (48KXMA5004)

700W Peak (500W RMS) Class D KXM Series 4-Channel Marine Amplifier

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Kicker KXMA500.4 (48KXMA5004)

700W Peak (500W RMS) Class D KXM Series 4-Channel Marine Amplifier

• 75 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 Amplifier

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List price $499.99
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• 75 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 Amplifier

Hifonics Brutus BRL800.4

800W RMS Class D Brutus BRL Series 4-Channel Car Amplifier

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Hifonics Brutus BRL800.4

800W RMS Class D Brutus BRL 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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List price $299.00
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JBL APEX PA454

450W Peak (180W RMS) Class D Apex Series Compact 4-Channel Marine and Powersports Amplifier

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JBL APEX PA454

450W Peak (180W RMS) Class D Apex Series Compact 4-Channel Marine and Powersports Amplifier

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

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List price $299.95
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• 45 watts x 4 channel @ 4 ohm
• @ 2 ohm
• Bridged: @ 4 ohm
• Total RMS Power: 180 watts
• Class D 4 ohm Stable 4-Channel Amplifier

Wet Sounds HTM-6

900W RMS Class D HTM Series 6 Channel Marine Amplifier with LED Backlit Badge

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Wet Sounds HTM-6

900W RMS Class D HTM Series 6 Channel Marine Amplifier with LED Backlit Badge

• 85 watts x 6 channel @ 4 ohm
• 150 watts x 6 channel @ 2 ohm
• Bridged: 300 watts x 3 channel @ 4 ohm
• Total RMS Power: 900 watts
• Class D 2 ohm Stable 6-Channel Marine Amplifier

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$899.99

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• 85 watts x 6 channel @ 4 ohm
• 150 watts x 6 channel @ 2 ohm
• Bridged: 300 watts x 3 channel @ 4 ohm
• Total RMS Power: 900 watts
• Class D 2 ohm Stable 6-Channel Marine Amplifier

Limited time!

NVX VADM2 Version 2 (VADM2v2) (Open Box, Great)

600W RMS V-Series Micro Full-Range Class D 2-Channel Amplifier Car/Marine/Powersports Amplifier

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NVX VADM2 Version 2 (VADM2v2) (Open Box, Great)

600W RMS V-Series Micro Full-Range Class D 2-Channel Amplifier Car/Marine/Powersports Amplifier

• 200 watts x 2 channel @ 4 ohm
• 300 watts x 2 channel @ 2 ohm
• Bridged: 600 watts x 1 channel @ 4 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 2-Channel-Channel Amplifier

10% Off Open Box!
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List price $203.99
-19% $165.69
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Wet Sounds Sinister-SDX4

1370W RMS Class D Sinister Series 4 Channel Marine Amplifier with Bass Remote

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Wet Sounds Sinister-SDX4

1370W RMS Class D Sinister Series 4 Channel Marine Amplifier with Bass Remote

• 185 watts x 4 channel @ 4 ohm
• 340 watts x 4 channel @ 2 ohm
• Bridged: 685 watts x 2 channel @ 4 ohm
• Total RMS Power: 1370 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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• 185 watts x 4 channel @ 4 ohm
• 340 watts x 4 channel @ 2 ohm
• Bridged: 685 watts x 2 channel @ 4 ohm
• Total RMS Power: 1370 watts
• Class D 2 ohm Stable 4-Channel Amplifier

Infinity Primus 90041A (PRIMUS90041A)

1480W Peak (520W RMS) Class D Primus Series 4-Channel Car Amplifier

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Infinity Primus 90041A (PRIMUS90041A)

1480W Peak (520W RMS) Class D Primus Series 4-Channel Car Amplifier

• 90 watts x 4 channel @ 4 ohm
• 130 watts x 4 channel @ 2 ohm
• Bridged: 260 watts x 2 channel @ 4 ohm
• Total RMS Power: 520 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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List price $299.95
-17% $249.95

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• 90 watts x 4 channel @ 4 ohm
• 130 watts x 4 channel @ 2 ohm
• Bridged: 260 watts x 2 channel @ 4 ohm
• Total RMS Power: 520 watts
• Class D 2 ohm Stable 4-Channel Amplifier

Kicker CXA660.5T (46CXA6605T) w/ Remote Bass Controller

660W RMS Class AB CX-Series 5 Channel Car Amplifier with Wired Bass Remote Controller for CX Series Amplifiers

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Kicker CXA660.5T (46CXA6605T) w/ Remote Bass Controller

660W RMS Class AB CX-Series 5 Channel Car Amplifier with Wired Bass Remote Controller for CX Series Amplifiers

  • Kicker CXA660.5T 660W RMS 5-Channel Car Amplifier
  • Class AB CX-Series high-performance power plant
  • Wired Bass Remote Controller for effortless adjustments
  • Precision audio control for CX-Series amplifiers
  • Complete system integration with professional-grade hardware
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  • Kicker CXA660.5T 660W RMS 5-Channel Car Amplifier
  • Class AB CX-Series high-performance power plant
  • Wired Bass Remote Controller for effortless adjustments
  • Precision audio control for CX-Series amplifiers
  • Complete system integration with professional-grade hardware
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