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Amplifiers,
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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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MTX TN3004 (TN300.4)

300W RMS Class D Terminator Series 4-Channel Full Range Amplifier

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MTX TN3004 (TN300.4)

300W RMS Class D Terminator Series 4-Channel Full Range Amplifier

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

FREE Amp Kit at Checkout! Shop deal
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FREE 1-day shipping to OH. Get it Wed, Nov. 19
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VIP Product Get $30.00 in rewards to spend later

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$299.95

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Only 2 Left!

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MTX TN1502

150W RMS Class D Terminator Series 2-Channel Full Range Amplifier

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MTX TN1502

150W RMS Class D Terminator Series 2-Channel Full Range Amplifier

• 50 watts x 2 channel + @ 4 ohm
• 75 watts x 2 channel + @ 2 ohm
• Bridged: 150 watts x 1 channel @ 4 ohm + @ 2 ohm
• Total RMS Power: 150 watts
• Class D 2 ohm Stable 2-Channel-Channel Amplifier

FREE Amp Kit at Checkout! Shop deal
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FREE 1-day shipping to OH. Get it Wed, Nov. 19
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VIP Product Get $28.00 in rewards to spend later

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$279.95

In stock

Only 2 Left!

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MTX TH750.1

750W RMS Class D Thunder Series Monoblock Car Amplifier (with Bass Remote)

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MTX TH750.1

750W RMS Class D Thunder Series Monoblock Car Amplifier (with Bass Remote)

• 250 watts x 1 channel @ 4 ohm
• 500 watts x 1 channel @ 2 ohm
• 750 watts x 1 channel @ 1 ohm
• Total RMS Power: 750 watts
• Class D 1 ohm Stable Monoblock Amplifier

FREE Amp Kit at Checkout!
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FREE 1-day shipping to OH. Get it Wed, Nov. 19
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VIP Product Get $50.00 in rewards to spend later

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Was $549.95 Details
$499.95

In stock

Only 1 Left!

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MTX TH1500.1

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

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MTX TH1500.1

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

FREE Amp Kit at Checkout!
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FREE 1-day shipping to OH. Get it Wed, Nov. 19
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VIP Product Get $65.00 in rewards to spend later

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Was $729.95 Details
$649.95

In stock

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MTX JH7005

720W Peak (360W RMS) Class AB/D Jackhammer Series 5-Channel Amplifier with Bass Remote

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MTX JH7005

720W Peak (360W RMS) Class AB/D Jackhammer Series 5-Channel Amplifier with Bass Remote

• 60 watts x 4 channel + 275 watts x 1 channel @ 4 ohm
• 90 watts x 4 channel + 450 watts x 1 channel @ 2 ohm
• Bridged: 180 watts x 2 channel @ 4 ohm + 450 watts x 1 channel @ 2 ohm
• Total RMS Power: 810 watts
• Class AB / D 2 ohm Stable 5-Channel Amplifier

FREE Amp Kit at Checkout!
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FREE 1-day shipping to OH. Get it Wed, Nov. 19

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$549.95

In stock

Only 1 Left!

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MTX TH400.4

400W RMS Class D Thunder Series 4-Channel Full Range Car Amplifier

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MTX TH400.4

400W RMS Class D Thunder Series 4-Channel Full Range 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 RMS Power: 400 watts
• Class D 2 ohm Stable 4-Channel-Channel Amplifier

FREE Amp Kit at Checkout!
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FREE 1-day shipping to OH. Get it Wed, Nov. 19
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VIP Product Get $43.00 in rewards to spend later

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Was $479.95 Details
$429.95

In stock

Add to Cart

MTX TH900.6

900W RMS Class D Thunder Series 6-Channel Full Range Car Amplifier

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MTX TH900.6

900W RMS Class D Thunder Series 6-Channel Full Range Car Amplifier

• 75 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 1 ohm Stable 6-Channel-Channel Amplifier

FREE Amp Kit at Checkout!
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FREE shipping to OH. Delivers Nov. 29 - Dec. 6
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VIP Product Get $75.00 in rewards to spend later

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Was $829.99 Details
$749.99

Available

Ships in 10-14 days

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MTX TN8005

800W RMS Class D Terminator Series 5-Channel Full Range Amplifier with Remote Bass Control

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MTX TN8005

800W RMS Class D Terminator Series 5-Channel Full Range Amplifier with Remote Bass Control

• 50 watts x 4 channel + 300 watts x 1 channel @ 4 ohm
• 75 watts x 4 channel + 500 watts x 1 channel @ 2 ohm
• Bridged: 150 watts x 2 channel @ 4 ohm + 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 800 watts
• Class D 2 ohm Stable 5-Channel Amplifier

FREE Amp Kit at Checkout!
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FREE shipping to OH. Delivers Nov. 29 - Dec. 6
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VIP Product Get $55.00 in rewards to spend later

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$549.95

Available

Ships in 10-14 days

Add to Cart

MTX TH800.4

800W RMS Class D Thunder Series 4-Channel Full Range Car Amplifier

TH8004 big
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MTX TH800.4

800W RMS Class D Thunder Series 4-Channel Full Range 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: 800 watts
• Class D 2 ohm Stable 4-Channel-Channel Amplifier

FREE Amp Kit at Checkout!
shipping truck icon
FREE shipping to OH. Delivers Nov. 29 - Dec. 6
VIP Star Icon

VIP Product Get $60.00 in rewards to spend later

empty

Was $649.95 Details
$599.95

Available

Ships in 10-14 days

Add to Cart

MTX MUD502 - Open Box, Great

200W Peak (100W RMS) 2-Channel Ultra-Compact Class D Amplifier

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MTX MUD502 - Open Box, Great

200W Peak (100W RMS) 2-Channel Ultra-Compact Class D Amplifier

• 25 Watts RMS x 2 @ 4 ohm
• 50 Watts RMS x 2 @ 2 ohm
• Total Peak Power: 200 Watts
• Fixed high-pass filter: 80 Hz
• Frequency Response: 11 - 40,000 Hz
• Speaker-level (high-level) inputs
• Class D Full Range

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FREE 1-day shipping to OH. Get it Wed, Nov. 19

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2
Was $189.95 Details
$152.95

In stock

Add to Cart

• 25 Watts RMS x 2 @ 4 ohm
• 50 Watts RMS x 2 @ 2 ohm
• Total Peak Power: 200 Watts
• Fixed high-pass filter: 80 Hz
• Frequency Response: 11 - 40,000 Hz
• Speaker-level (high-level) inputs
• Class D Full Range

MTX MUD1004 - Open Box, Great

800W Peak (400W RMS) 4-Channel Compact Class D Power Sports Amplifier for Install In Car, Off-Road, SSV and more...

MUD100-4 big
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MTX MUD1004 - Open Box, Great

800W Peak (400W RMS) 4-Channel Compact Class D Power Sports Amplifier for Install In Car, Off-Road, SSV and more...

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

shipping truck icon
FREE 1-day shipping to OH. Get it Wed, Nov. 19

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2
Was $379.95 Details
$273.42

In stock

Add to Cart

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

 
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