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1992 Mazda MX-5 Miata

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Single, 1-channel monoblock sub amplifiers for when you add a sub

Overview Upgrade your Stereo Upgrade your Speakers Add a Subwoofer Add an Amplifier Digital Sound Processors Audio Installation & Accessories Add a Backup Camera Independance Day Sale

Amplifiers for Powering a Sub for 1992 Mazda MX-5 Miata

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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DS18 ZR1500.1D with Belva 4 Gauge Amp Kit

4500W Peak (1500W RMS) Class D 1-Channel Monoblock Amplifier

ZR1500.1D, BAK42 big
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DS18 ZR1500.1D with Belva 4 Gauge Amp Kit

4500W Peak (1500W RMS) Class D 1-Channel Monoblock Amplifier

• 550 watts x 1 channel @ 4 ohm
• 950 watts x 1 channel @ 2 ohm
• 1,500 watts x 1 channel @ 1 ohm
• Total RMS Power: 1,500 watts
• Class D 1 ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

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• 550 watts x 1 channel @ 4 ohm
• 950 watts x 1 channel @ 2 ohm
• 1,500 watts x 1 channel @ 1 ohm
• Total RMS Power: 1,500 watts
• Class D 1 ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

DS18 SMD-2000.1D with NVX 1/0 Gauge Amp Kit

2000W RMS Class D SMD Series Monoblock Car Amplifier with Bass Remote

SMD20001D_XKIT02 big
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DS18 SMD-2000.1D with NVX 1/0 Gauge Amp Kit

2000W RMS Class D SMD Series Monoblock Car Amplifier with Bass Remote

• 800 watts x 1 channel @ 4 ohm
• 1400 watts x 1 channel @ 2 ohm
• 2000 watts x 1 channel @ 1 ohm
• Total RMS Power: 2000 watts
• Class D 1 ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

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$780.11

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• 800 watts x 1 channel @ 4 ohm
• 1400 watts x 1 channel @ 2 ohm
• 2000 watts x 1 channel @ 1 ohm
• Total RMS Power: 2000 watts
• Class D 1 ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

MB Quart FA2-1000.1 with Amplifier Wiring Kit

1000W RMS Formula Series Class-D Monoblock Car Amplifier

FA2-1000.1, BAK42 big
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MB Quart FA2-1000.1 with Amplifier Wiring Kit

1000W RMS Formula Series Class-D Monoblock Car Amplifier

• 250 watts x 1 channel @ 4 ohm
• 500 watts x 1 channel @ 2 ohm
• 1000 watts x 1 channel @ 1 ohm
• Class D Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

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• 250 watts x 1 channel @ 4 ohm
• 500 watts x 1 channel @ 2 ohm
• 1000 watts x 1 channel @ 1 ohm
• Class D Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

Deaf Bonce MFA 1.1000 with Belva 4 Gauge Amp Kit

1000W RMS Class D Machete Series Monoblock Subwoofer Amplifier with Bass Remote

MFA11000_BAK42 big
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Deaf Bonce MFA 1.1000 with Belva 4 Gauge Amp Kit

1000W RMS Class D Machete Series Monoblock Subwoofer Amplifier with Bass Remote

• 430 watts x 1 channel @ 4 ohm
• 710 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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• 430 watts x 1 channel @ 4 ohm
• 710 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

Deaf Bonce Apocalypse 1600.1 Pro with Belva 4 Gauge Amp Kit

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

ATOM16001PRO_BAK42 big
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Deaf Bonce Apocalypse 1600.1 Pro with Belva 4 Gauge Amp Kit

1600W RMS Class D Apocalypse Atom Pro Series Monoblock Subwoofer 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
• Includes Amplifier Wiring Kit

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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
• Includes Amplifier Wiring Kit

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Belva BB200ABv2 with Belva 8 Gauge Amp Kit

500W Peak Class A/B Monoblock Amplifier

BAK82BL ,BB200ABv2 big
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Belva BB200ABv2 with Belva 8 Gauge Amp Kit

500W Peak Class A/B Monoblock Amplifier

• Class A/B Monoblock Amplifier
• Adjustable Gain Controls
• Low-Pass Filter: 40-300Hz
• Bass Boost: +0-12DB
• One pair of preamp outputs
• Includes Remote bass knob
• Includes Amplifier Wiring Kit

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• Class A/B Monoblock Amplifier
• Adjustable Gain Controls
• Low-Pass Filter: 40-300Hz
• Bass Boost: +0-12DB
• One pair of preamp outputs
• Includes Remote bass knob
• Includes Amplifier Wiring Kit

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Belva BXD3K with Amplifier Wiring Kit

3000W Peak BX-Series Class-D Monoblock Car Audio Amplifier with Bass Remote

BXD3K, BAK42BL big
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Belva BXD3K with Amplifier Wiring Kit

3000W Peak BX-Series Class-D Monoblock Car Audio Amplifier with Bass Remote

• 750 Watts Max x 1 @ 4 ohm
• 1500 Watts Max x 1 @ 2 ohm
• 3000 Watts Max x 1 @ 1 ohm
• Total Max Power: 3000 watts Watts
• 96dB signal to noise ratio

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• 750 Watts Max x 1 @ 4 ohm
• 1500 Watts Max x 1 @ 2 ohm
• 3000 Watts Max x 1 @ 1 ohm
• Total Max Power: 3000 watts Watts
• 96dB signal to noise ratio

Rockford Fosgate Power T1500-1BDCP + Rockford Fosgate RFK4I 4 Gauge 2-Ch Amp Kit

1500W RMS Constant Power Series Class BD Monoblock Amplifier

T1500-1bdCP, RFK4I big
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Rockford Fosgate Power T1500-1BDCP + Rockford Fosgate RFK4I 4 Gauge 2-Ch Amp Kit

1500W RMS Constant Power Series Class BD Monoblock Amplifier

• RMS: 1000W x 1 @ 4 ohm, 1500W x 1 @ 2 ohm, 1500W x 1 @ 1 ohm
• Total RMS Power: 1500W
• CEA-2006 Compliant
• Variable Bass Boost: 0 to +18 dB at 45 Hz
• Ultra Efficient Class bD Circuitry
• Dimensions: 14-15/16"L x 8-3/16"W x 2-3/16"H
• Includes Rockford Fosgate RFK4I 4 Gauge 2-Ch Amp Kit

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• RMS: 1000W x 1 @ 4 ohm, 1500W x 1 @ 2 ohm, 1500W x 1 @ 1 ohm
• Total RMS Power: 1500W
• CEA-2006 Compliant
• Variable Bass Boost: 0 to +18 dB at 45 Hz
• Ultra Efficient Class bD Circuitry
• Dimensions: 14-15/16"L x 8-3/16"W x 2-3/16"H
• Includes Rockford Fosgate RFK4I 4 Gauge 2-Ch Amp Kit

Cerwin-Vega CVPM1000.1D with Belva 4 Gauge Amp Kit

1000W Peak (500W RMS) CVP Series Class-D Monoblock Amplifier

CVPM10001D_BAK42 big
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Cerwin-Vega CVPM1000.1D with Belva 4 Gauge Amp Kit

1000W Peak (500W RMS) CVP Series Class-D Monoblock Amplifier

• 310 watts x 1 channel @ 4 ohm
• 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

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-37% $159.99

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• 310 watts x 1 channel @ 4 ohm
• 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

Alpine R2-A75M with NVX 4 Gauge Amp Kit

750W RMS R-Series Class-D Monoblock Car Amplifier

R2-A75M, XKIT42 big
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Alpine R2-A75M with NVX 4 Gauge Amp Kit

750W RMS R-Series Class-D 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
• Includes Amplifier Wiring Kit

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• 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
• Includes Amplifier Wiring Kit

DS18 ZR2000.1D with NVX 1/0 Gauge Amp Kit

6000W RMS ZR Series Class-D Monoblock Amplifier

ZR20001D_XKIT02 big
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DS18 ZR2000.1D with NVX 1/0 Gauge Amp Kit

6000W RMS ZR Series Class-D Monoblock Amplifier

• 800 watts x 4 channel @ 4 ohm
• 1300 watts x 4 channel @ 2 ohm
• 2000 watts x 4 channel @ 1 ohm
• Total RMS Power: 6000 watts
• Class D 1 ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

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-13% $541.72

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• 800 watts x 4 channel @ 4 ohm
• 1300 watts x 4 channel @ 2 ohm
• 2000 watts x 4 channel @ 1 ohm
• Total RMS Power: 6000 watts
• Class D 1 ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

Lowest price in 30 days

Rockford Fosgate Punch P1000X1bd with Amplifier Wiring Kit

1000W RMS Punch Series Monoblock Class BD Car Power Amplifier

P1000X1BD, XKIT42 big
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Rockford Fosgate Punch P1000X1bd with Amplifier Wiring Kit

1000W RMS Punch Series Monoblock Class BD Car Power Amplifier

• RMS: 300W x 1 @ 4 ohm, 500W x 1 @ 2 ohm, 1000W x 1 @ 1 ohm
• Total RMS Power: 1000W
• CEA-2006 Compliant
• Tuned Bass EQ: 0 to +18 dB
• Super Efficient Class BD Circuitry
• Dimensions: 13-5/16"L x 7-3/4"W x 2-3/8"H

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• RMS: 300W x 1 @ 4 ohm, 500W x 1 @ 2 ohm, 1000W x 1 @ 1 ohm
• Total RMS Power: 1000W
• CEA-2006 Compliant
• Tuned Bass EQ: 0 to +18 dB
• Super Efficient Class BD Circuitry
• Dimensions: 13-5/16"L x 7-3/4"W x 2-3/8"H

Diamond Audio MICRO81U with NVX 8 Gauge Amp Kit

600W RMS Full Range Class-D Monoblock Digital Amplifier

MICRO81U_XKIT82 big
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Diamond Audio MICRO81U with NVX 8 Gauge Amp Kit

600W RMS Full Range Class-D Monoblock Digital Amplifier

• 175 watts x 1 channel @ 4 ohm
• 300 watts x 1 channel @ 2 ohm
• 600 watts x 1 channel @ 1 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

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• 175 watts x 1 channel @ 4 ohm
• 300 watts x 1 channel @ 2 ohm
• 600 watts x 1 channel @ 1 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

Lowest price in 30 days

MTX TH1500.1 with NVX 4 Gauge Amp Kit

1500W RMS Class D Thunder Series Monoblock Car Amplifier (with Bass Remote)

TH15001_XKIT42 big
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MTX TH1500.1 with NVX 4 Gauge Amp Kit

1500W RMS Class D Thunder Series Monoblock Car Amplifier (with Bass Remote)

• 500 watts x 1 channel @ 4 ohm
• 1000 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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• 500 watts x 1 channel @ 4 ohm
• 1000 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

Lowest price in 30 days

Rockford Fosgate P1000X1bd with Amplifier Wiring Kit

1000W RMS Punch Series Monoblock Class BD Car Power Amplifier

P1000X1BD, BAK42 big
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Rockford Fosgate P1000X1bd with Amplifier Wiring Kit

1000W RMS Punch Series Monoblock Class BD Car Power Amplifier

• RMS: 300W x 1 @ 4 ohm, 500W x 1 @ 2 ohm, 1000W x 1 @ 1 ohm
• Total RMS Power: 1000W
• CEA-2006 Compliant
• Tuned Bass EQ: 0 to +18 dB
• Super Efficient Class BD Circuitry
• Dimensions: 13-5/16"L x 7-3/4"W x 2-3/8"H

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• RMS: 300W x 1 @ 4 ohm, 500W x 1 @ 2 ohm, 1000W x 1 @ 1 ohm
• Total RMS Power: 1000W
• CEA-2006 Compliant
• Tuned Bass EQ: 0 to +18 dB
• Super Efficient Class BD Circuitry
• Dimensions: 13-5/16"L x 7-3/4"W x 2-3/8"H

Pioneer GM-DX971 with Amplifier Wiring Kit

1200W RMS GM Series Class-D Monoblock Car Amplifier with Bass Remote

GM-DX971, BAK42 big
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Pioneer GM-DX971 with Amplifier Wiring Kit

1200W RMS GM Series Class-D Monoblock Car Amplifier with Bass Remote

• 500 watts x 1 channel @ 4 ohm
• 800 watts x 1 channel @ 2 ohm
• 1200 watts x 1 channel @ 1 ohm
• Total RMS Power: 1200 watts
• CEA-2006 Compliant
• Includes Amplifier Wiring Kit
• Class D 1 ohm Stable Monoblock Amplifier

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• 500 watts x 1 channel @ 4 ohm
• 800 watts x 1 channel @ 2 ohm
• 1200 watts x 1 channel @ 1 ohm
• Total RMS Power: 1200 watts
• CEA-2006 Compliant
• Includes Amplifier Wiring Kit
• Class D 1 ohm Stable Monoblock Amplifier

Lowest price in 30 days

Rockford Fosgate Punch P500X1BD with Amplifier Wiring Kit

500W RMS Punch Series Monoblock Class BD Car Power Amplifier + NVX 4 Gauge Wiring Kit

P500X1BD, XKIT42 big
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Rockford Fosgate Punch P500X1BD with Amplifier Wiring Kit

500W RMS Punch Series Monoblock Class BD Car Power Amplifier + NVX 4 Gauge Wiring Kit

• RMS: 150W x 1 @ 4 ohm, 300W x 1 @ 2 ohm, 500W x 1 @ 1 ohm
• Total RMS Power: 500W
• CEA-2006 Compliant
• Tuned Bass EQ: 0 to +18 dB
• Super Efficient Class BD Circuitry
• Dimensions: 11"L x 7-3/4"W x 2-3/8"H

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• RMS: 150W x 1 @ 4 ohm, 300W x 1 @ 2 ohm, 500W x 1 @ 1 ohm
• Total RMS Power: 500W
• CEA-2006 Compliant
• Tuned Bass EQ: 0 to +18 dB
• Super Efficient Class BD Circuitry
• Dimensions: 11"L x 7-3/4"W x 2-3/8"H

Kenwood KAC-9106D with NVX 4 Gauge Amp Kit

2000W RMS Performance Series Class-D Monoblock Amplifier

KAC9106D_XKIT42 big
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Kenwood KAC-9106D with NVX 4 Gauge Amp Kit

2000W RMS Performance Series Class-D Monoblock Amplifier

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

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-19% $440.67

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

Rockford Fosgate M2-500X1 with Amplifier Wiring Kit

500 Watt Monoblock marine amplifier

M2-500X1, XKIT42 big
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Rockford Fosgate M2-500X1 with Amplifier Wiring Kit

500 Watt Monoblock marine amplifier

• 300 Watts x 1 @ 4 ohm
• 500 Watts x 1 @ 2 ohm
• Element Ready™ design protects against outdoor exposure
• Conformal coated circuit board
• Top Mounted Control Panel

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• 300 Watts x 1 @ 4 ohm
• 500 Watts x 1 @ 2 ohm
• Element Ready™ design protects against outdoor exposure
• Conformal coated circuit board
• Top Mounted Control Panel

Cerwin-Vega VCU81 with NVX 4 Gauge Amp Kit

Vega Series 600W Class D Monoblock Car Audio Amplifier

VCU81, XKIT42 big
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Cerwin-Vega VCU81 with NVX 4 Gauge Amp Kit

Vega Series 600W Class D Monoblock Car Audio Amplifier

• Vega Series Class D Mono 600W Amplifier
• RMS Power: 400W x 1 @ 2 Ohm
• RMS Power: 240W x 1 @ 4 Ohm
• MAX Power: 600W x 1 @ 1 Ohm
• Surface Mount Component Technology
• Compact Universal All-Weather Application
• Variable/Switchable Crossovers On Multi-Channel Models

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• Vega Series Class D Mono 600W Amplifier
• RMS Power: 400W x 1 @ 2 Ohm
• RMS Power: 240W x 1 @ 4 Ohm
• MAX Power: 600W x 1 @ 1 Ohm
• Surface Mount Component Technology
• Compact Universal All-Weather Application
• Variable/Switchable Crossovers On Multi-Channel Models

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    FAQ for Monoblock Sub Amplifiers in 1992 MX-5 Miata

    Q: Can I upgrade or change the Monoblock Sub Amplifiers in 1992 Mazda MX-5 Miata?

    A: Yes this page includes all the best Monoblock Sub Amplifiers that work in your MX-5 Miata.

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    1992 Mazda MX-5 Miata

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    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

    • You see only parts engineered for your exact vehicle
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