4-Channel Marine Amplifiers at Sonic Electronix

4-Channel Marine Amplifiers

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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.

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.

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.

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.

The lowest impedance the amplifier will handle when it is not bridged.
The lowest impedance the amplifier will handle when it is bridged.
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.
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.

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 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.
This feature will tell you if the amplifier has the capability to connect to a Bluetooth device.
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NVX VAD10004

1000W RMS Full Range Class D 4-Channel Car/Marine/Powersports Amplifier

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1000W RMS Full Range Class D 4-Channel Car/Marine/Powersports Amplifier

• RMS: 150 x 4 @ 4 ohms, 250W x 4 @ 2 ohms, Bridged 500W x 2 @ 4 ohm
• Total RMS Power: 1000W
• CEA-2006 Compliant
• Efficient Full Range Class D Design
• Dimensions: 12.1"W x 5.4"D x 2.0H

8
NVX VAD10004

1000W RMS Full Range Class D 4-Channel Car/Marine/Powersports Amplifier

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$349.99 (20.00% off)
$279.99
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1000W RMS Full Range Class D 4-Channel Car/Marine/Powersports Amplifier

$279.99

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Belva BAK44 4-Channel 4 Gauge Amplifier Installation Kit

Complete 4-Channel CCA 4 Gauge Amp Kit with RCA Cables and Speaker Wire

$39.99

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JL Audio Stealthbox® SLPK-YA-FXC-SG-TB

Custom fit subwoofer enclosure for Select 2013-Up Yamaha FX WaveRunner (Black)

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Custom fit subwoofer enclosure for Select 2013-Up Yamaha FX WaveRunner (Black)

• JL Audio SlamPak for Select Yamaha FX WaveRunners
• One pair of 6.5" JL Audio Vex Enclosed Pod Speakers
• Bluetooth Music Connection
• All Marine-Grade Components
• Made for Select 2013-Up Yamaha WaveRunners
• 500W Marine Amplifier
• Stealthbox Loaded w/ 8.8" Subwoofer

JL Audio Stealthbox® SLPK-YA-FXC-SG-TB

Custom fit subwoofer enclosure for Select 2013-Up Yamaha FX WaveRunner (Black)

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$2,899.99
JL Audio MX280/4 Amplifier + High Quality NVX Amp Kit

140W RMS Class-D Weatherproof Motorcycle / ATV / SSV / UTV / Car 4-Channel Amplifier

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140W RMS Class-D Weatherproof Motorcycle / ATV / SSV / UTV / Car 4-Channel Amplifier

• 50 Watts RMS x 4 @ 4 ohms
• 70 Watts RMS x 4 @ 2 ohms
• Total Peak Power: 280 Watts
• CEA-2006 Compliant/Preamp Outputs/LPF
• Frequency Response: 20 - 20,000 Hz
• Dimensions: 8.66"W x 3.09"D x 1.77"H

54
JL Audio MX280/4 Amplifier + High Quality NVX Amp Kit

140W RMS Class-D Weatherproof Motorcycle / ATV / SSV / UTV / Car 4-Channel Amplifier

In stock

$409.97 (21.95% off)
$319.99
JBL MA704 + Free 8 Gauge Amp Wiring Kit

1000W Peak (200W RMS) Marine Series 4-Channel Class-D Amplifier w/ Remote Level Control

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1000W Peak (200W RMS) Marine Series 4-Channel Class-D Amplifier w/ Remote Level Control

• 70 Watts RMS x 4 @ 4 ohms
• 100 Watts RMS x 4 @ 2 ohms
• Total Peak Power: 1000 Watts
• CEA-2006 Compliant/Preamp Outputs/LPF
• 0 to 9 dB Bass Boost
• Weather Resistant and High Performance Marine Amplifier

15
JBL MA704 + Free 8 Gauge Amp Wiring Kit

1000W Peak (200W RMS) Marine Series 4-Channel Class-D Amplifier w/ Remote Level Control

In stock

$448.99 (51.01% off)
$219.95

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1000W Peak (200W RMS) Marine Series 4-Channel Class-D Amplifier w/ Remote Level Control

$219.95

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NVX XWS1625 16 AWG Speaker Wire

25 ft. of True 16 Gauge 100% Copper EnvyFlex Speaker Cable/Wire

$19.99

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Belva BBG3KT CCA 1/0 Gauge Big Three Kit

Features everything needed to upgrade factory power and ground wire.

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Cerwin Vega SRPM700.4D Amplifier + Free High Quality NVX Amp Kit

700W RMS Class-D 4-Channel 2-Ohm Stable Marine Amplifier

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700W RMS Class-D 4-Channel 2-Ohm Stable Marine Amplifier

• 100 Watts RMS x 4 @ 4 ohms
• 150 Watts RMS x 4 @ 2 ohms
• Conformal Coating Protects Against Moisture
• Aluminum Heatsink

53
Cerwin Vega SRPM700.4D Amplifier + Free High Quality NVX Amp Kit

700W RMS Class-D 4-Channel 2-Ohm Stable Marine Amplifier

In stock

$779.97 (50.00% off)
$389.98
NVX MVPA4

Marine-V Series 600W RMS 4-Channel Class D Compact Marine/Powersports/Motorcycle Amplifier

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Marine-V Series 600W RMS 4-Channel Class D Compact Marine/Powersports/Motorcycle Amplifier

• 4-Channel Micro Class D Amplifier
• 100W x 4-Chan. @ 4 ohms
• 150W x 4-Chan. @ 2 ohms
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 8 Gauge Power and Ground Inputs
• Extremely Small Footprint!

63
NVX MVPA4

Marine-V Series 600W RMS 4-Channel Class D Compact Marine/Powersports/Motorcycle Amplifier

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$399.99 (37.50% off)
$249.99
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Marine-V Series 600W RMS 4-Channel Class D Compact Marine/Powersports/Motorcycle Amplifier

$249.99

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Belva BAK84

Complete 8 Gauge Amplifier Wiring Kit with 4-Channel RCA Interconnects

$29.99

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Controls bass level and frequency via RCA/Interconnect connectors on any amp.

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Memphis MXA480.4M

480 Watts 4-Channel Xtreme Audio Marine Amplifiers

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480 Watts 4-Channel Xtreme Audio Marine Amplifiers

• RMS Power: 80W x 4 @ 4 ohms, 120W x 4 @ 2 ohms
• Total Peak Power: 480W
• CEA-2006 Compliant/Preamp Outputs/LPF
• DIMENSIONS: 6.1"W x 10.2"L x 2.16"H

Memphis MXA480.4M

480 Watts 4-Channel Xtreme Audio Marine Amplifiers

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480 Watts 4-Channel Xtreme Audio Marine Amplifiers

$429.95

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Belva BAK84

Complete 8 Gauge Amplifier Wiring Kit with 4-Channel RCA Interconnects

$29.99

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NVX XIV45 4-Channel RCA Audio Interconnect Cable

5 Meters (16.4 ft.) 4-Channel RCA Audio Interconnect Cable with Dual Twisted Pair Hyper-Flex Technology

$23.99

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Power Acoustik MSA4‐1300D

Marine Grade 4-Channel Amplifier

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Marine Grade 4-Channel Amplifier

• Compact 4.75" Chassis
• Splash Resistant Circuit Boards
• High Level Input w/ Signal Sense Auto Turn-on
• Class D Amplifier

Power Acoustik MSA4‐1300D

Marine Grade 4-Channel Amplifier

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Marine Grade 4-Channel Amplifier

$119.99

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FREE NVX XMountPro Cell Phone Mount with Select Orders

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$14.99

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NVX Universal Remote Level Bass Control

Controls bass level and frequency via RCA/Interconnect connectors on any amp.

$9.99

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NVX XIV45 4-Channel RCA Audio Interconnect Cable

5 Meters (16.4 ft.) 4-Channel RCA Audio Interconnect Cable with Dual Twisted Pair Hyper-Flex Technology

$23.99

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JL Audio MHD600/4 Amplifier + Free High Quality NVX Amp Kit

600W 4-Channel Class D, MHD Series Small Profile Marine Amplifier with R.I.P.S. Technology

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600W 4-Channel Class D, MHD Series Small Profile Marine Amplifier with R.I.P.S. Technology

4-Channel Class D MHD Series Marine Amplifier • 150W x 4 Chan. @ 4 ohm • 300W x 2 Chan. Bridged @ 8 ohm • Regulated Intelligent Power Supply • Single Cycle Control Technology • Studio-Grade Signal Processing • Advanced Rollback Protection Circuitry

64
JL Audio MHD600/4 Amplifier + Free High Quality NVX Amp Kit

600W 4-Channel Class D, MHD Series Small Profile Marine Amplifier with R.I.P.S. Technology

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$1,259.99

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600W 4-Channel Class D, MHD Series Small Profile Marine Amplifier with R.I.P.S. Technology

$1259.99

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FREE NVX XMountPro Cell Phone Mount with Select Orders

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$14.99

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NVX XWS1625 16 AWG Speaker Wire

25 ft. of True 16 Gauge 100% Copper EnvyFlex Speaker Cable/Wire

$19.99

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Belva BBG3KT CCA 1/0 Gauge Big Three Kit

Features everything needed to upgrade factory power and ground wire.

$49.99

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Hertz HCP 4M with NVX 4 Gauge Amp Kit

Class-D 4-Channel 2 Ohms Marine Stereo Amplifier

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Class-D 4-Channel 2 Ohms Marine Stereo Amplifier

• 65 Watts RMS x 4 @ 4 ohms
• 95 Watts RMS x 4 @ 2 ohms
• CEA-2006 Compliant/Preamp Outputs/LPF
• Corrosion Protection
• Water jet tested
• Dimensions: 12.40" x 7.48" x 1.97"

61
Hertz HCP 4M with NVX 4 Gauge Amp Kit

Class-D 4-Channel 2 Ohms Marine Stereo Amplifier

In stock

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$549.98 (25.46% off)
$409.98
Kenwood KAC-M1824BT

400W Compact Bluetooth 4-Channel Class D Marine/ATV Amplifier

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400W Compact Bluetooth 4-Channel Class D Marine/ATV Amplifier

• RMS: 45W x 4 @ 4 ohms, 45W x 4 @ 2 ohms, Bridged, 4 ohms: 90W x 2
• Total Peak Power: 400W
• CEA-2006 Compliant
• Built-in Bluetooth Ver.3.0 +EDR
• Water resistant Wired remote control included
• Small frame for flexible installation

2
Kenwood KAC-M1824BT

400W Compact Bluetooth 4-Channel Class D Marine/ATV Amplifier

In stock

$300.00 (6.67% off)
$279.99
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400W Compact Bluetooth 4-Channel Class D Marine/ATV Amplifier

$279.99

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Stinger SK46101

10 AWG Amplifier Power & Signal Installation Kit

$30.99

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FREE NVX XMountPro Cell Phone Mount with Select Orders

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$14.99

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NVX XIV45 4-Channel RCA Audio Interconnect Cable

5 Meters (16.4 ft.) 4-Channel RCA Audio Interconnect Cable with Dual Twisted Pair Hyper-Flex Technology

$23.99

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JL Audio MX280/4

140W RMS Class-D Weatherproof Motorcycle / ATV / SSV / UTV / Car 4-Channel Amplifier

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140W RMS Class-D Weatherproof Motorcycle / ATV / SSV / UTV / Car 4-Channel Amplifier

• 50 Watts RMS x 4 @ 4 ohms
• 70 Watts RMS x 4 @ 2 ohms
• Total Peak Power: 280 Watts
• CEA-2006 Compliant/Preamp Outputs/LPF
• Frequency Response: 20 - 20,000 Hz
• Dimensions: 8.66"W x 3.09"D x 1.77"H

1
JL Audio MX280/4

140W RMS Class-D Weatherproof Motorcycle / ATV / SSV / UTV / Car 4-Channel Amplifier

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140W RMS Class-D Weatherproof Motorcycle / ATV / SSV / UTV / Car 4-Channel Amplifier

$319.99

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JL Audio XD-PCS8-1B 8-Gauge Wiring Kit

Get a JL Audio wiring kit to match your new JL amplifier! Don't forget the RCA's!

$109.99

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FREE NVX XMountPro Cell Phone Mount with Select Orders

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NVX Universal Remote Level Bass Control

Controls bass level and frequency via RCA/Interconnect connectors on any amp.

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Soundstream SM4.1000D

1000W Max 4 channel Stealth Series Marine Grade Class D Amplifier

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1000W Max 4 channel Stealth Series Marine Grade Class D Amplifier

• 90 Watts x 4 @ 4 ohms
• 125 Watts x 4 @ 2 ohms 250 Watts x 2 @ 4 ohms, Bridged
• Total Peak Power: 1000 Watts
• MOSFET Power Supply w/ Audiophile Grade IRTM Transistors
• Military Grade SMT PCB Maintains Dynamic Performance
• Hybrid Aluminum Alloy Heatsink for Optimum Dissipation

2
Soundstream SM4.1000D

1000W Max 4 channel Stealth Series Marine Grade Class D Amplifier

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$209.95 (33.32% off)
$139.99
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1000W Max 4 channel Stealth Series Marine Grade Class D Amplifier

$139.99

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Belva BAK84

Complete 8 Gauge Amplifier Wiring Kit with 4-Channel RCA Interconnects

$29.99

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FREE NVX XMountPro Cell Phone Mount with Select Orders

Spend $200 and use code XMOUNTPRO to get this free!.

$14.99

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Controls bass level and frequency via RCA/Interconnect connectors on any amp.

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Hifonics TPS-A350.4

350 W Peak THOR Series Class-D 4-Channel 2-Ohm Stable Amplifier

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350 W Peak THOR Series Class-D 4-Channel 2-Ohm Stable Amplifier

• 40 Watts Peak x 4 @ 4 ohms
• 80 Watts Peak x 4 @ 2 ohms
• Total Peak Power: 350 Watts
• Built to withstand various elements
•Variable Bass Boost
• Aluminum Heatsink
• 3.7" L x 5.5" W x 1.77 " H

1
Hifonics TPS-A350.4

350 W Peak THOR Series Class-D 4-Channel 2-Ohm Stable Amplifier

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$199.99 (60.00% off)
$79.99

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350 W Peak THOR Series Class-D 4-Channel 2-Ohm Stable Amplifier

$79.99

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FREE NVX XMountPro Cell Phone Mount with Select Orders

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$14.99

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NVX XIV45 4-Channel RCA Audio Interconnect Cable

5 Meters (16.4 ft.) 4-Channel RCA Audio Interconnect Cable with Dual Twisted Pair Hyper-Flex Technology

$23.99

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NVX XWS1650 Speaker Wire

50 ft. of True 16 Gauge 100% Copper EnvyFlex Speaker Cable/Wire

$29.99

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Kenwood KAC-M1814

4-Channel Compact Power Amplifier, Conformal Coated, 400W Max Power

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4-Channel Compact Power Amplifier, Conformal Coated, 400W Max Power

• compact 4-channel amplifier for car, motorcycle, and boat
• CTA-2006 compliant
• Class D amp technology
• Variable high- and low-pass filters
• 10-gauge

1
Kenwood KAC-M1814

4-Channel Compact Power Amplifier, Conformal Coated, 400W Max Power

In stock

$200.00 (15.01% off)
$169.99

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4-Channel Compact Power Amplifier, Conformal Coated, 400W Max Power

$169.99

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Stinger SK46101

10 AWG Amplifier Power & Signal Installation Kit

$30.99

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FREE NVX XMountPro Cell Phone Mount with Select Orders

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$14.99

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Controls bass level and frequency via RCA/Interconnect connectors on any amp.

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Clarion XC2410

400W Peak Ultra Compact 4/3/2 Channel XC Series Micro Class D Marine Amplifier

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400W Peak Ultra Compact 4/3/2 Channel XC Series Micro Class D Marine Amplifier

• 50 Watts RMS x 4 @ 4 ohms
• 75 Watts RMS x 4 @ 2 ohms
• Total Peak Power: 700 Watts
• CEA-2006 Compliant
• 0 to +12 dB bass boost at 50 Hz
• Nickel heat-sink for extreme heat dissipation
• 11.02"W x 4.33"L x 1.54"H

7
Clarion XC2410

400W Peak Ultra Compact 4/3/2 Channel XC Series Micro Class D Marine Amplifier

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$319.99 (44.38% off)
$177.99

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400W Peak Ultra Compact 4/3/2 Channel XC Series Micro Class D Marine Amplifier

$177.99

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Belva BAK84

Complete 8 Gauge Amplifier Wiring Kit with 4-Channel RCA Interconnects

$29.99

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FREE NVX XMountPro Cell Phone Mount with Select Orders

Spend $200 and use code XMOUNTPRO to get this free!.

$14.99

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MTX Audio MUD100.4 4-Channel Power Sports Amplifier

400W RMS Bridgeable Ultra-Compact Amplifier for Car, Off-Road, SSV and more...

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400W RMS Bridgeable Ultra-Compact Amplifier for Car, Off-Road, SSV and more...

• 50 Watts RMS x 4 @ 4 ohms
• 100 Watts RMS x 4 @ 2 ohms
• Total Peak Power: 800 Watts
• Selectable Front high-pass filter: 80 / 200 Hz
• Speaker-level (high-level) inputs

1
MTX Audio MUD100.4 4-Channel Power Sports Amplifier

400W RMS Bridgeable Ultra-Compact Amplifier for Car, Off-Road, SSV and more...

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$299.95 (16.67% off)
$249.95
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MUD100.4 small

400W RMS Bridgeable Ultra-Compact Amplifier for Car, Off-Road, SSV and more...

$249.95

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Belva BAK84

Complete 8 Gauge Amplifier Wiring Kit with 4-Channel RCA Interconnects

$29.99

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FREE NVX XMountPro Cell Phone Mount with Select Orders

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$14.99

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Controls bass level and frequency via RCA/Interconnect connectors on any amp.

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Wet Sounds STX Micro-4

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

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

• 80 Watts RMS x 4 @ 4 ohms
• 130 Watts RMS x 4 @ 2 ohms
• Bridged, 4 ohms: 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

Wet Sounds STX Micro-4

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

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

$449.99

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Belva BAK84

Complete 8 Gauge Amplifier Wiring Kit with 4-Channel RCA Interconnects

$29.99

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FREE NVX XMountPro Cell Phone Mount with Select Orders

Spend $200 and use code XMOUNTPRO to get this free!.

$14.99

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Rockford Fosgate M400-4D

400W RMS Prime Series 4-Channel Full Range Class D Marine Amplifier

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400W RMS Prime Series 4-Channel Full Range Class D Marine Amplifier

• 4 ohms: 75 watts x 4 chan.
• 2 ohms: 100 watts x 4 chan.
• Bridged, 4 ohms: 200 watts x 2 chan.
• CEA-2006 compliant amplifier
• CE Compliant
• UV resistant and Salt-fog marine protection
• Cast aluminum heatsink
• Tri-stage protection covers thermal, over-current and short circuits
• Marine grade two part epoxy coating on circuit boards
• Marine grade stainless steel hardware
• Preamp RCA outputs to daisy chain multiple amps

6
Rockford Fosgate M400-4D

400W RMS Prime Series 4-Channel Full Range Class D Marine Amplifier

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Ships at Later Date

$399.95 (17.49% off)
$329.99
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  • Save 25% when you bundle with a Rockford Fosgate Amp Wiring
  • FREE 4 Gauge Amp Kit with Purchase!

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M400-4D small

400W RMS Prime Series 4-Channel Full Range Class D Marine Amplifier

$329.99

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Belva BAK44 4-Channel 4 Gauge Amplifier Installation Kit

Complete 4-Channel CCA 4 Gauge Amp Kit with RCA Cables and Speaker Wire

$39.99

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FREE NVX XMountPro Cell Phone Mount with Select Orders

Spend $200 and use code XMOUNTPRO to get this free!.

$14.99

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NVX Universal Remote Level Bass Control

Controls bass level and frequency via RCA/Interconnect connectors on any amp.

$9.99

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Cerwin Vega SRPM700.4D

700W RMS Class-D 4-Channel 2-Ohm Stable Marine Amplifier

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700W RMS Class-D 4-Channel 2-Ohm Stable Marine Amplifier

• 100 Watts RMS x 4 @ 4 ohms
• 150 Watts RMS x 4 @ 2 ohms
• Conformal Coating Protects Against Moisture
• Aluminum Heatsink

Cerwin Vega SRPM700.4D

700W RMS Class-D 4-Channel 2-Ohm Stable Marine Amplifier

In stock

$649.99 (38.46% off)
$399.99
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  • Save 20% off a 8-pack 8 gauge ferrule with heat shrink
  • Get A Free $50 Gift Card With Purchase!
  • FREE 8 Gauge 4 Channel Wiring Kit with Select Amps!

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SRPM700.4D small

700W RMS Class-D 4-Channel 2-Ohm Stable Marine Amplifier

$399.99

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Belva BAK84

Complete 8 Gauge Amplifier Wiring Kit with 4-Channel RCA Interconnects

$29.99

Add
FREE NVX XMountPro Cell Phone Mount with Select Orders

Spend $200 and use code XMOUNTPRO to get this free!.

$14.99

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NVX Universal Remote Level Bass Control

Controls bass level and frequency via RCA/Interconnect connectors on any amp.

$9.99

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