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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.
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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Massive Audio PX4

600W RMS Class D Primo Series 4 Channel Car Amplifier

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Massive Audio PX4

600W RMS Class D Primo Series 4 Channel 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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Massive Audio EX5

2500W Peak (1300W RMS) Class AB/D Edge Series 5 Channel Car Amplifier

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Massive Audio EX5

2500W Peak (1300W RMS) Class AB/D Edge Series 5 Channel Car Amplifier

• 120 watts x 4 channel + 200 watts x 1 channel @ 4 ohm
• 240 watts x 4 channel + 200 watts x 1 channel @ 2 ohm
• Bridged: 480 watts x 2 channel @ 4 ohm + 200 watts x 1 channel @ 2 ohm
• Total RMS Power: 1360 watts
• Class AB / D 1 ohm Stable 5-Channel Amplifier

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Save 30% off an NVX XKIT06 Amp Kit at Checkout! Add a qualifying amplifier to your cart and save 30% on the NVX XKIT06 Amp Kit! No code needed — discount applies automatically at checkout.
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Massive Audio P8

7000W Peak (3500W RMS) Class D Primo Series Monoblock Car Amplifier

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Massive Audio P8

7000W Peak (3500W RMS) Class D Primo Series Monoblock Car Amplifier

• 1000 watts x 1 channel @ 4 ohm
• 1400 watts x 1 channel @ 2 ohm
• 2300 watts x 1 channel @ 1 ohm
• Total RMS Power: 3500 watts
• Class D 0.5 ohm Stable Monoblock Amplifier

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Massive Audio T3

1400W RMS Class D Trident Series Monoblock Marine and Powersports Amplifier

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Massive Audio T3

1400W RMS Class D Trident Series Monoblock Marine and Powersports Amplifier

• 450 Watts RMS x 1 @ 4 ohm
• 700 Watts RMS x 1 @ 2 ohm
• 1400 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 2800 Watts
• CEA-2006 Compliant/Preamp Outputs/LPF
• 4.25 "W 11.50 "L 1.6 "H

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Massive Audio EX44N

800W RMS Class AB EDGE Series 4 Channel Car Amplifier

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Massive Audio EX44N

800W RMS Class AB EDGE Series 4 Channel Car Amplifier

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

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Massive Audio T2

1600W Peak (800W RMS) Class D Trident Series Monoblock Marine and Powersports Amplifier

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Massive Audio T2

1600W Peak (800W RMS) Class D Trident Series Monoblock Marine and Powersports Amplifier

• 200 watts x 1 channel @ 4 ohm
• 400 watts x 1 channel @ 2 ohm
• 800 watts x 1 channel @ 1 ohm
• Total RMS Power: 800 watts
• Class D 1 ohm Stable Monoblock Amplifier

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• 200 watts x 1 channel @ 4 ohm
• 400 watts x 1 channel @ 2 ohm
• 800 watts x 1 channel @ 1 ohm
• Total RMS Power: 800 watts
• Class D 1 ohm Stable Monoblock Amplifier

Massive Audio TX48

1600W RMS Class D Trident Series 4 Channel Marine Amplifier with Bluetooth

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Massive Audio TX48

1600W RMS Class D Trident Series 4 Channel Marine Amplifier with Bluetooth

• 200 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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List price $659.99
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• 200 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

Massive Audio GT5X

760W RMS Class D GT Series 5 Channel Car Amplifier with Bass Remote

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Massive Audio GT5X

760W RMS Class D GT Series 5 Channel Car Amplifier with Bass Remote

• 75 watts x 4 channel + 190 watts x 1 channel @ 4 ohm
• 115 watts x 4 channel + 300 watts x 1 channel @ 2 ohm
• Bridged: 230 watts x 2 channel @ 4 ohm + 300 watts x 1 channel @ 2 ohm
• Total RMS Power: 760 watts
• Class D 1 ohm Stable 5-Channel Amplifier

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List price $337.48
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Available Offers (2) for Massive Audio GT5X
FREE Belva Amp Kit at Checkout!
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Save 30% off an NVX XKIT46 Amp Kit at Checkout! Add a qualifying amplifier to your cart and save 30% on the NVX XKIT46 Amp Kit! No code needed — discount applies automatically at checkout.
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Massive Audio TX44

960W RMS Class D Trident Series 4 Channel Marine Amplifier with Bluetooth

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Massive Audio TX44

960W RMS Class D Trident Series 4 Channel Marine Amplifier with Bluetooth

• 120 watts x 4 channel @ 4 ohm
• 240 watts x 4 channel @ 2 ohm
• Bridged: 480 watts x 2 channel @ 4 ohm
• Total RMS Power: 960 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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List price $394.99
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• 120 watts x 4 channel @ 4 ohm
• 240 watts x 4 channel @ 2 ohm
• Bridged: 480 watts x 2 channel @ 4 ohm
• Total RMS Power: 960 watts
• Class D 2 ohm Stable 4-Channel Amplifier

Massive Audio TX2

480W RMS Class D Trident Series 2 Channel Marine Amplifier with Bluetooth

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Massive Audio TX2

480W RMS Class D Trident Series 2 Channel Marine Amplifier with Bluetooth

• 120 watts x 2 channel @ 4 ohm
• 240 watts x 2 channel @ 2 ohm
• Bridged: 480 watts x 1 channel @ 4 ohm
• Total RMS Power: 480 watts
• Class D 2 ohm Stable 2-Channel Amplifier

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List price $334.99
-49% $169.99

Available

Ships in 10-14 days

Add to Cart

• 120 watts x 2 channel @ 4 ohm
• 240 watts x 2 channel @ 2 ohm
• Bridged: 480 watts x 1 channel @ 4 ohm
• Total RMS Power: 480 watts
• Class D 2 ohm Stable 2-Channel Amplifier

Massive Audio T2 with Amplifier Wiring Kit

800 Watts RMS @ 1 Ohm Monoblock Amplifier + NVX 4 Gauge Amp Wiring Kit

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Massive Audio T2 with Amplifier Wiring Kit

800 Watts RMS @ 1 Ohm Monoblock Amplifier + NVX 4 Gauge Amp Wiring Kit

• 200 Watts RMS x 1 @ 4 ohm
• 400 Watts RMS x 1 @ 2 ohm
• 800 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 1600 Watts
• CEA-2006 Compliant/Preamp Outputs/LPF
• 4.25"W x 7.99"L x1.6 "H
• Includes Amplifier Wiring Kit

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• 200 Watts RMS x 1 @ 4 ohm
• 400 Watts RMS x 1 @ 2 ohm
• 800 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 1600 Watts
• CEA-2006 Compliant/Preamp Outputs/LPF
• 4.25"W x 7.99"L x1.6 "H
• Includes Amplifier Wiring Kit

Massive Audio T2 with Belva 8 Gauge Amp Kit

1600W Peak (800W RMS) Trident Series Class D 1 Ohm Powersports Monoblock Amplifier

MAT2_BAK82 big
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Massive Audio T2 with Belva 8 Gauge Amp Kit

1600W Peak (800W RMS) Trident Series Class D 1 Ohm Powersports Monoblock Amplifier

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

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List price $444.98
-59% $182.48

In stock

Only 2 Left!

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

Massive Audio EX44N with NVX 8 Gauge Amp Kit

800W RMS EDGE Series Class AB 4-Channel Amplifier

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Massive Audio EX44N with NVX 8 Gauge Amp Kit

800W RMS EDGE Series Class AB 4-Channel Amplifier

• 100 watts x 4 channel @ 4 ohm
• 200 watts x 4 channel @ 2 ohm
• Bridged: 400 watts x 2 channel @ 4 ohm
• Total RMS Power: 400 watts
• Class A/B 2 ohm Stable 4-Channel Amplifier
• Includes Amplifier Wiring Kit

shipping truck icon Free shipping in USA. Provide zip for delivery date.
40
List price $442.98
-40% $264.99

Available

Ships in 10-14 days

Add to Cart

• 100 watts x 4 channel @ 4 ohm
• 200 watts x 4 channel @ 2 ohm
• Bridged: 400 watts x 2 channel @ 4 ohm
• Total RMS Power: 400 watts
• Class A/B 2 ohm Stable 4-Channel Amplifier
• Includes Amplifier Wiring Kit

 
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