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2000 Mazda Protege

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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 Stereo 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 2000 Mazda Protege

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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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.
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.
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.
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.
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.

Speaker Level Inputs
Speaker level inputs are commonly referred to as high-level inputs and vice versa. This input type allows you to get your audio signal directly from the speaker wire in your vehicle, instead of using RCA cables. The advantage of this is factory integration, as most stock radios do not have RCA outputs to run amplifiers.
Maximum Input Gauge Size
This is the largest gauge wire that will fit into the power and ground terminals of this device. The lower the gauge number, the thicker the wire is. For example, a 4 gauge wire is thicker than an 8 gauge wire and thus has higher current carrying capacity. Always do your best to get this size wire to reduce the risk of damage to your components.
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Deaf Bonce MACHETE MFA-5.1000 with Belva 4 Gauge Amp Kit

480W RMS Class D Machete Series 5-Channel Full Range Car Amplifier

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Deaf Bonce MACHETE MFA-5.1000 with Belva 4 Gauge Amp Kit

480W RMS Class D Machete Series 5-Channel Full Range Car Amplifier

• 80 watts x 4 channel + 300 watts x 1 channel @ 4 ohm
• 120 watts x 4 channel + 500 watts x 1 channel @ 2 ohm
• Bridged: 240 watts x 2 channel @ 4 ohm + 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 480 watts
• Class D 4 ohm Stable 5-Channel-Channel Amplifier
• Includes Amplifier Wiring Kit

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• 80 watts x 4 channel + 300 watts x 1 channel @ 4 ohm
• 120 watts x 4 channel + 500 watts x 1 channel @ 2 ohm
• Bridged: 240 watts x 2 channel @ 4 ohm + 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 480 watts
• Class D 4 ohm Stable 5-Channel-Channel Amplifier
• Includes Amplifier Wiring Kit

Cerwin-Vega VCU82 with NVX 8 Gauge Amp Kit

Vega Series 2-Channel Class D 600W Full-Range Amplifier

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Cerwin-Vega VCU82 with NVX 8 Gauge Amp Kit

Vega Series 2-Channel Class D 600W Full-Range Amplifier

• 2-Channel Class D 600W Full-Range Amplifier
• RMS Power: 300W x 2 @ 2 Ohm
• RMS Power: 200W x 2 @ 4 Ohm
• RMS Power Bridged: 600W x 1 @ 4 Ohm
• Marine Grade Certified
• Remote Level Control Included
• Includes Amplifier Wiring Kit

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• 2-Channel Class D 600W Full-Range Amplifier
• RMS Power: 300W x 2 @ 2 Ohm
• RMS Power: 200W x 2 @ 4 Ohm
• RMS Power Bridged: 600W x 1 @ 4 Ohm
• Marine Grade Certified
• Remote Level Control Included
• Includes Amplifier Wiring Kit

Hertz HP 802 with NVX 1/0 Gauge Amp Kit

1800W RMS HP Series Class-AB 2-Channel Amplifier

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Hertz HP 802 with NVX 1/0 Gauge Amp Kit

1800W RMS HP Series Class-AB 2-Channel Amplifier

• 330 watts x 2 channel @ 4 ohm
• 550 watts x 2 channel @ 2 ohm
• Total RMS Power: 1800 watts
• Class A/B 4 ohm Stable 2-Channel Amplifier
• Includes Amplifier Wiring Kit

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• 330 watts x 2 channel @ 4 ohm
• 550 watts x 2 channel @ 2 ohm
• Total RMS Power: 1800 watts
• Class A/B 4 ohm Stable 2-Channel Amplifier
• Includes Amplifier Wiring Kit

Stinger SPX350X2 with NVX 8 Gauge Amp Kit

350W MAX (175W RMS) Series 4 ohm Stable 2-Channel Class-D Powersports Amplifier w/ Remote Level Control

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Stinger SPX350X2 with NVX 8 Gauge Amp Kit

350W MAX (175W RMS) Series 4 ohm Stable 2-Channel Class-D Powersports Amplifier w/ Remote Level Control

• 125 Watts RMS x 2 @ 4 ohm
• 175 Watts RMS x 2 @ 2 ohm
• Total Peak Power: 350 Watts
• CEA-2006 Compliant
• 0 to 12 dB Bass Boost
• Aluminum Heatsink
• For Powersports Applications
• Includes Amplifier Wiring Kit

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• 125 Watts RMS x 2 @ 4 ohm
• 175 Watts RMS x 2 @ 2 ohm
• Total Peak Power: 350 Watts
• CEA-2006 Compliant
• 0 to 12 dB Bass Boost
• Aluminum Heatsink
• For Powersports Applications
• Includes Amplifier Wiring Kit

Wet Sounds SDX2 with NVX 4 Gauge Amp Kit

1250 Watt Sinister Series Full Range 2-Channel Class D Amplifier (WetSounds)

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Wet Sounds SDX2 with NVX 4 Gauge Amp Kit

1250 Watt Sinister Series Full Range 2-Channel Class D Amplifier (WetSounds)

• RMS: 400W x 2 @ 4 ohm, 620W x 2 @ 2 ohm, Bridged: 1250W x 1 @ 4 ohm
• Total RMS Power: 1250 watts
• Wet Sounds unique transformer
• Advanced Intelligent Microprocessor Control
• Top mounted crossover controls
• Dimensions: 9.82" W x 13.50" L x 2.70" H
• Includes Amplifier Wiring Kit

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• RMS: 400W x 2 @ 4 ohm, 620W x 2 @ 2 ohm, Bridged: 1250W x 1 @ 4 ohm
• Total RMS Power: 1250 watts
• Wet Sounds unique transformer
• Advanced Intelligent Microprocessor Control
• Top mounted crossover controls
• Dimensions: 9.82" W x 13.50" L x 2.70" H
• Includes Amplifier Wiring Kit

DS18 SMD-2800.5 with NVX 1/0 Gauge Amp Kit

2800W RMS Class AB/D SMD Series 5 Channel Car Amplifier with Bass Remote

SMD28005_XKIT06 big Out of stock
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DS18 SMD-2800.5 with NVX 1/0 Gauge Amp Kit

2800W RMS Class AB/D SMD Series 5 Channel Car Amplifier with Bass Remote

• 180 watts x 4 channel + 700 watts x 1 channel @ 4 ohm
• 250 watts x 4 channel + 1100 watts x 1 channel @ 2 ohm
• Bridged: 500 watts x 2 channel @ 4 ohm + 1100 watts x 1 channel @ 2 ohm
• Total RMS Power: 2800 watts
• Class AB / D 1 ohm Stable 5-Channel Amplifier
• Includes Amplifier Wiring Kit

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• 180 watts x 4 channel + 700 watts x 1 channel @ 4 ohm
• 250 watts x 4 channel + 1100 watts x 1 channel @ 2 ohm
• Bridged: 500 watts x 2 channel @ 4 ohm + 1100 watts x 1 channel @ 2 ohm
• Total RMS Power: 2800 watts
• Class AB / D 1 ohm Stable 5-Channel Amplifier
• Includes Amplifier Wiring Kit

DS18 NXL-M4 (Hydro) with NVX 4 Gauge Amp Kit

1800W Peak Class D HYDRO Series 4-Channel Full Range Marine and Powersports Amplifier

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DS18 NXL-M4 (Hydro) with NVX 4 Gauge Amp Kit

1800W Peak Class D HYDRO Series 4-Channel Full Range Marine and Powersports Amplifier

• 150 watts x 4 channel @ 4 ohm
• 230 watts x 4 channel @ 2 ohm
• Bridged: 440 watts x 2 channel @ 4 ohm
• Total Peak Power: 1800 watts
• IPX5 waterproof rating
• Class D 2 ohm Stable 4-Channel-Channel Amplifier
• Includes Amplifier Wiring Kit

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• 150 watts x 4 channel @ 4 ohm
• 230 watts x 4 channel @ 2 ohm
• Bridged: 440 watts x 2 channel @ 4 ohm
• Total Peak Power: 1800 watts
• IPX5 waterproof rating
• Class D 2 ohm Stable 4-Channel-Channel Amplifier
• Includes Amplifier Wiring Kit

Diamond Audio HX480.4 with NVX 8 Gauge Amp Kit

740W RMS HEX Series 4-Channel Class-D Amplifier

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Diamond Audio HX480.4 with NVX 8 Gauge Amp Kit

740W RMS HEX Series 4-Channel Class-D Amplifier

• 120 watts x 4 channel @ 4 ohm
• 185 watts x 4 channel @ 2 ohm
• Bridged: 370 watts x 2 channel @ 4 ohm
• Total RMS Power: 480 watts
• Class D 2 ohm Stable 4-Channel Amplifier
• Includes Amplifier Wiring Kit

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• 120 watts x 4 channel @ 4 ohm
• 185 watts x 4 channel @ 2 ohm
• Bridged: 370 watts x 2 channel @ 4 ohm
• Total RMS Power: 480 watts
• Class D 2 ohm Stable 4-Channel Amplifier
• Includes Amplifier Wiring Kit

Wet Sounds STX Micro-4 with NVX 8 Gauge Amp Kit

600W Peak (280W RMS) Class-D Compact 4-Channel 1-Ohm Stable Powersports Amplifier

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Wet Sounds STX Micro-4 with NVX 8 Gauge Amp Kit

600W Peak (280W RMS) Class-D Compact 4-Channel 1-Ohm Stable Powersports Amplifier

• 80 Watts RMS x 4 @ 4 ohm
• 130 Watts RMS x 4 @ 2 ohm
• Bridged, 4 ohm: 280 watts x 2 chan.
• Total Peak Power: 600 Watts
• Frequency Response: 10 - 40kHz
• Dimensions: 4"W x 9.25"L x 1.5"H
• Includes Amplifier Wiring Kit

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• 80 Watts RMS x 4 @ 4 ohm
• 130 Watts RMS x 4 @ 2 ohm
• Bridged, 4 ohm: 280 watts x 2 chan.
• Total Peak Power: 600 Watts
• Frequency Response: 10 - 40kHz
• Dimensions: 4"W x 9.25"L x 1.5"H
• Includes Amplifier Wiring Kit

Cerwin Vega VCU86 with NVX 1/0 Gauge Amp Kit

6-Channel 1200W Bridgeable Audio Subwoffer Mini Amplifier

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Cerwin Vega VCU86 with NVX 1/0 Gauge Amp Kit

6-Channel 1200W Bridgeable Audio Subwoffer Mini Amplifier

• 100 Watts RMS x 6 @ 4 ohm
• 150 Watts RMS x 6 @ 2 ohm
• Total RMS Power: 1035 Watts
• CEA-2006 Compliant
• Enhanced Power IR Digital Chipset
• Compact Matching Heatsink Platform Dimensions
• 10.5”L x 4”W x 1.4”H
• Includes Amplifier Wiring Kit

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• 100 Watts RMS x 6 @ 4 ohm
• 150 Watts RMS x 6 @ 2 ohm
• Total RMS Power: 1035 Watts
• CEA-2006 Compliant
• Enhanced Power IR Digital Chipset
• Compact Matching Heatsink Platform Dimensions
• 10.5”L x 4”W x 1.4”H
• Includes Amplifier Wiring Kit

DS18 NXL-F4 (Hydro) with NVX 8 Gauge Amp Kit

640W Peak Class D HYDRO Series 4-Channel Marine and Powersports Flush Mount Amplifier

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DS18 NXL-F4 (Hydro) with NVX 8 Gauge Amp Kit

640W Peak Class D HYDRO Series 4-Channel Marine and Powersports Flush Mount Amplifier

• 100 watts x 4 channel @ 4 ohm
• 160 watts x 4 channel @ 2 ohm
• Bridged: 320 watts x 2 channel @ 4 ohm
• Total RMS Power: 640 watts
• IPX67 waterproof rating
• Class D 4 ohm Stable 4-Channel-Channel Amplifier
• Includes Amplifier Wiring Kit

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• 100 watts x 4 channel @ 4 ohm
• 160 watts x 4 channel @ 2 ohm
• Bridged: 320 watts x 2 channel @ 4 ohm
• Total RMS Power: 640 watts
• IPX67 waterproof rating
• Class D 4 ohm Stable 4-Channel-Channel Amplifier
• Includes Amplifier Wiring Kit

Cerwin Vega S9500.2D + Free Belva Amp Kit

Stroker Series 500W RMS 2-Channel Amplifier

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Cerwin Vega S9500.2D + Free Belva Amp Kit

Stroker Series 500W RMS 2-Channel Amplifier

• 4/2/1 ohm: 250 watts x 2 chan.
• Bridged, 4/2 ohm: 700 x 1 chan.
• Class-D 2-channel 4-Ohm Amplifier
• Frequency Response: 10Hz ~ 35KHz
• Crossover 35Hz – 350Hz

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• 4/2/1 ohm: 250 watts x 2 chan.
• Bridged, 4/2 ohm: 700 x 1 chan.
• Class-D 2-channel 4-Ohm Amplifier
• Frequency Response: 10Hz ~ 35KHz
• Crossover 35Hz – 350Hz

Diamond Audio HX400.2 with NVX 8 Gauge Amp Kit

400W RMS HEX Series 2-Channel Full Range Class D Amplifier

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Diamond Audio HX400.2 with NVX 8 Gauge Amp Kit

400W RMS HEX Series 2-Channel Full Range Class D 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: 400 watts
• Class D 2 ohm Stable 2-Channel Amplifier
• Includes Amplifier Wiring Kit

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• 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: 400 watts
• Class D 2 ohm Stable 2-Channel Amplifier
• Includes Amplifier Wiring Kit

DS18 NXL-X360.2D with NVX 8 Gauge Amp Kit

1000W Peak (500W RMS) Class D NXL Series 2-Channel Marine and Powersports Amplifier

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DS18 NXL-X360.2D with NVX 8 Gauge Amp Kit

1000W Peak (500W RMS) Class D NXL Series 2-Channel Marine and Powersports Amplifier

• 180 watts x 2 channel @ 4 ohm
• 250 watts x 2 channel @ 2 ohm
• Bridged: 500 watts @ 4-ohm @ 4 ohm
• Total RMS Power: 500 watts
• IP67 waterproof rating, with UV, salt and fog protection
• Class D 2 ohm Stable 2-Channel-Channel Amplifier
• Includes Amplifier Wiring Kit

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• 180 watts x 2 channel @ 4 ohm
• 250 watts x 2 channel @ 2 ohm
• Bridged: 500 watts @ 4-ohm @ 4 ohm
• Total RMS Power: 500 watts
• IP67 waterproof rating, with UV, salt and fog protection
• Class D 2 ohm Stable 2-Channel-Channel Amplifier
• Includes Amplifier Wiring Kit

Cerwin-Vega VCU85 with Belva 4 Gauge Amp Kit

1900W Peak (950W RMS) Vega Series Class-D 5-Channel Amplifier

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Cerwin-Vega VCU85 with Belva 4 Gauge Amp Kit

1900W Peak (950W RMS) Vega Series Class-D 5-Channel Amplifier

• 80 watts x 4 channel + 200 watts x 1 channel @ 4 ohm
• 150 watts x 4 channel + 350 watts x 1 channel @ 2 ohm
• Bridged: 300 watts x 2 channel @ 4 ohm + 350 watts x 1 channel @ 2 ohm
• Total RMS Power: 950 watts
• Class D 2 ohm Stable 5-Channel Amplifier
• Includes Amplifier Wiring Kit

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• 80 watts x 4 channel + 200 watts x 1 channel @ 4 ohm
• 150 watts x 4 channel + 350 watts x 1 channel @ 2 ohm
• Bridged: 300 watts x 2 channel @ 4 ohm + 350 watts x 1 channel @ 2 ohm
• Total RMS Power: 950 watts
• Class D 2 ohm Stable 5-Channel Amplifier
• Includes Amplifier Wiring Kit

American Bass GODFATHER 1000.2 with NVX 8 Gauge Amp Kit

1240W RMS Godfather Series Class-D 2-Channel Amplifier

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American Bass GODFATHER 1000.2 with NVX 8 Gauge Amp Kit

1240W RMS Godfather Series Class-D 2-Channel Amplifier

• 400 watts x 2 channel @ 4 ohm
• 620 watts x 2 channel @ 2 ohm
• Bridged: 1300 watts x 1 channel @ 4 ohm
• Total RMS Power: 1300 watts
• Class D 2 ohm Stable 2-Channel Amplifier
• Includes Amplifier Wiring Kit

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• 400 watts x 2 channel @ 4 ohm
• 620 watts x 2 channel @ 2 ohm
• Bridged: 1300 watts x 1 channel @ 4 ohm
• Total RMS Power: 1300 watts
• Class D 2 ohm Stable 2-Channel Amplifier
• Includes Amplifier Wiring Kit

Stinger SPX1000X5 with NVX 8 Gauge Amp Kit

150W RMS Micro Class D 5-Channel Marine Amplifier

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Stinger SPX1000X5 with NVX 8 Gauge Amp Kit

150W RMS Micro Class D 5-Channel Marine Amplifier

• 95 x 4 @ 4 ohm Stereo - CH 1-4
• 275 x 1 @4 ohm - CH 5
• 150 x 4 @ 2 ohm Stero - CH 1-4
• 500 x 1 @ 2 ohm - CH 5
• Total RMS Power: 150 watts
• Class D 4 ohm Stable 5-Channel Amplifier
• Includes Amplifier Wiring Kit

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• 95 x 4 @ 4 ohm Stereo - CH 1-4
• 275 x 1 @4 ohm - CH 5
• 150 x 4 @ 2 ohm Stero - CH 1-4
• 500 x 1 @ 2 ohm - CH 5
• Total RMS Power: 150 watts
• Class D 4 ohm Stable 5-Channel Amplifier
• Includes Amplifier Wiring Kit

Cerwin-Vega CVPRO2K4 with NVX 4 Gauge Amp Kit

1000W Peak (520W RMS) CVPRO Series Class-D 4-Channel Amplifier

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Cerwin-Vega CVPRO2K4 with NVX 4 Gauge Amp Kit

1000W Peak (520W RMS) CVPRO Series Class-D 4-Channel 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: 520 watts
• Class D 2 ohm Stable 4-Channel Amplifier
• Includes Amplifier Wiring Kit

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• 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: 520 watts
• Class D 2 ohm Stable 4-Channel Amplifier
• Includes Amplifier Wiring Kit

DC Audio 90.4 with NVX 4 Gauge Amp Kit

520W Competition Series 4-Channel Class AB Amplifier

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DC Audio 90.4 with NVX 4 Gauge Amp Kit

520W Competition Series 4-Channel Class AB Amplifier

• RMS Power: 90W x 4 @ 4 ohm, 130W x 4 @ 2 ohm
• Bridged: 250W x 2 @ 4 ohm
• Variable High and Low Pass Filters
• Dimensions: 9.38" W x 14" L x 2.35" H
• Includes Amplifier Wiring Kit

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• RMS Power: 90W x 4 @ 4 ohm, 130W x 4 @ 2 ohm
• Bridged: 250W x 2 @ 4 ohm
• Variable High and Low Pass Filters
• Dimensions: 9.38" W x 14" L x 2.35" H
• Includes Amplifier Wiring Kit

Diamond Audio MICRO82U with NVX 8 Gauge Amp Kit

500W RMS Micro Series 2-Channel Class-D Amplifier

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Diamond Audio MICRO82U with NVX 8 Gauge Amp Kit

500W RMS Micro Series 2-Channel Class-D Amplifier

• 150 watts x 2 channel @ 4 ohm
• 250 watts x 4 channel @ 2 ohm
• Bridged: 500 watts x 1 channel @ 4 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable 2-Channel Amplifier
• Includes Amplifier Wiring Kit

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List price $575.98
-27% $419.99

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• 150 watts x 2 channel @ 4 ohm
• 250 watts x 4 channel @ 2 ohm
• Bridged: 500 watts x 1 channel @ 4 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable 2-Channel Amplifier
• Includes Amplifier Wiring Kit

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