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2011 GMC Terrain

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Universal gear includes car amplifiers, subs, and other products that do not install in a specific location or require fitment to integrate with a vehicle.

Overview Upgrade your Stereo Upgrade your Speakers Add a Subwoofer Add an Amplifier Digital Sound Processors Audio Installation & Accessories Add a Backup Camera Add Remote Start Dads & Grads Sale

Universal-Fit Audio for 2011 GMC Terrain

When thinking of universal gear, we consider products like a car amp that gives more power to your speakers or subs, cell phone chargers, equalizers and sound processors, rear-seat entertainment and video monitors, as well as dash cameras.

Better sound with your factory radio

Better sound with a factory radio

Love your factory look or can't replace the stereo? We got you covered.

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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.
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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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Sundown Audio SALT-500.4

2800W RMS Class D SALT Series 4-Channel Full Range Car Amplifier

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Sundown Audio SALT-500.4

2800W RMS Class D SALT Series 4-Channel Full Range Car Amplifier

• 1400 watts x 2 channel @ 4 ohm
• 700 watts x 4 channel @ 2 ohm
• Bridged: 500 watts x 4 channel @ 4 ohm
• Total RMS Power: 2800 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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JL Audio MX300/1

300W RMS Class D MX Series Monoblock Marine and Powersports Amplifier

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JL Audio MX300/1

300W RMS Class D MX Series Monoblock Marine and Powersports Amplifier

• 160 watts x 1 channel @ 4 ohm
• 300 watts x 1 channel @ 2 ohm
• Total RMS Power: 300 watts
• Class D 2 ohm Stable Monoblock Amplifier

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Hertz HCP 5D

1500W Peak (750W RMS) Class D Hertz Compact Power (HCP) Series 5-Channel Full Range Car Amplifier

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Hertz HCP 5D

1500W Peak (750W RMS) Class D Hertz Compact Power (HCP) Series 5-Channel Full Range Car Amplifier

• 55 watts x 4 channel + 160 watts x 1 channel @ 4 ohm
• 90 watts x 4 channel + 280 watts x 1 channel @ 2 ohm
• Bridged: 180 watts x 2 channel + 160 watts x 1 channel @ 4 ohm
• Bridged: 180 watts x 2 channel + 280 watts x 1 channel @ 2 ohm
• Total RMS Power: 750 watts
• Class D 2 ohm Stable 5-Channel-Channel Amplifier

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Hertz DPower 1

600W Peak (300W RMS) Class D DPOWER Series Monoblock Car Amplifier

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Hertz DPower 1

600W Peak (300W RMS) Class D DPOWER Series Monoblock Car Amplifier

• 180 watts x 1 channel @ 4 ohm
• 300 watts x 1 channel @ 2 ohm
• Total RMS Power: 300 watts
• Class D 2 ohm Stable Monoblock Amplifier

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Hifonics BG-560.2

560W RMS Class D Brutus BG Series 2-Channel Car Amplifier

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Hifonics BG-560.2

560W RMS Class D Brutus BG Series 2-Channel Car Amplifier

• 150 watts x 2 channel @ 4 ohm
• 275 watts x 2 channel @ 2 ohm
• Bridged: 560 watts x 1 channel @ 4 ohm
• Total RMS Power: 560 watts
• Class D 2 ohm Stable 2-Channel Amplifier

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• 150 watts x 2 channel @ 4 ohm
• 275 watts x 2 channel @ 2 ohm
• Bridged: 560 watts x 1 channel @ 4 ohm
• Total RMS Power: 560 watts
• Class D 2 ohm Stable 2-Channel Amplifier

Cerwin-Vega CVP2400.4

2400W Peak (840W RMS) Class D CVP Series 4-Channel Car Amplifier

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Cerwin-Vega CVP2400.4

2400W Peak (840W RMS) Class D CVP Series 4-Channel Car Amplifier

• 120 watts x 4 channel @ 4 ohm
• 210 watts x 4 channel @ 2 ohm
• Bridged: 410 watts x 2 channel @ 4 ohm
• Total RMS Power: 840 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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Kicker KXMA500.4 (48KXMA5004)

700W Peak (500W RMS) Class D KXM Series 4-Channel Marine Amplifier

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Kicker KXMA500.4 (48KXMA5004)

700W Peak (500W RMS) Class D KXM Series 4-Channel Marine Amplifier

• 75 watts x 4 channel @ 4 ohm
• 125 watts x 4 channel @ 2 ohm
• Bridged: 250 watts x 2 channel @ 4 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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List price $499.99
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Precision Power A400.4D

400W RMS Class D ATOM Series 4 Channel Car Amplifier

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Precision Power A400.4D

400W RMS Class D ATOM Series 4 Channel Car Amplifier

• 60 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 Amplifier

Save 30% off an NVX XKIT84 Amp Kit at Checkout!
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$149.99

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Memphis MX600.6

600W RMS Class D MX Series 6 Channel Powersports Amplifier

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Memphis MX600.6

600W RMS Class D MX Series 6 Channel Powersports Amplifier

• 50 watts x 4 channel 100 watts x 2 channel @ 4 ohm
• 75 watts x 4 channel 150 watts x 2 channel @ 2 ohm
• Bridged: 150 watts x 2 channel 300 watts x 1 channel @ 4 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 6-Channel Amplifier

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List price $729.95
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• 50 watts x 4 channel 100 watts x 2 channel @ 4 ohm
• 75 watts x 4 channel 150 watts x 2 channel @ 2 ohm
• Bridged: 150 watts x 2 channel 300 watts x 1 channel @ 4 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 6-Channel Amplifier

Hifonics HAC-3000.4D Colossus Pro

3000W Peak Class D Colossus Pro Series 4 Channel Car Amplifier

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Hifonics HAC-3000.4D Colossus Pro

3000W Peak Class D Colossus Pro Series 4 Channel Car Amplifier

• 300 watts x 4 channel @ 4 ohm
• 500 watts x 4 channel @ 2 ohm
• 800 watts x 4 channel @ 1 ohm
• Bridged: 900 watts x 2 channel @ 4 ohm
• Class D 1 ohm Stable 4-Channel Amplifier

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List price $649.99
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• 300 watts x 4 channel @ 4 ohm
• 500 watts x 4 channel @ 2 ohm
• 800 watts x 4 channel @ 1 ohm
• Bridged: 900 watts x 2 channel @ 4 ohm
• Class D 1 ohm Stable 4-Channel Amplifier

JL Audio AP300/1

300W RMS Class D AP Series Monoblock Marine and Powersports Amplifier with Built-in LCD Display

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JL Audio AP300/1

300W RMS Class D AP Series Monoblock Marine and Powersports Amplifier with Built-in LCD Display

• 200 watts x 1 channel @ 4 ohm
• 300 watts x 1 channel @ 2 ohm
• Total RMS Power: 300 watts
• Class D 2 ohm Stable Monoblock Amplifier
• Built-in LCD display for manual control
• Can be paired with a Fusion stereo with built-in DSP
• Easy Tune feature via Fusion Audio app
• Control Fusion Audio app via smartphone

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List price $599.99
-17% $499.99

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Hifonics HCM-400.4D Colossus Mini

400W Peak Class D Colossus Mini Series 4 Channel Amplifier

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Hifonics HCM-400.4D Colossus Mini

400W Peak Class D Colossus Mini Series 4 Channel Amplifier

• 50 watts x 4 channel @ 4 ohm
• 100 watts x 4 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm
• Class D 2 ohm Stable 4-Channel Amplifier

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List price $389.99
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Sundown Audio SAM-150.2

300W RMS Class D SAM Series 2-Channel Marine and Powersports Amplifier with Bluetooth

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Sundown Audio SAM-150.2

300W RMS Class D SAM Series 2-Channel Marine and Powersports Amplifier with Bluetooth

• 150 watts x 2 channel @ 4 ohm
• 270 watts x 2 channel @ 2 ohm
• Bridged: 540 watts x 1 channel @ 4 ohm
• Total RMS Power: 540 watts
• Class D 2 ohm Stable 2-Channel Amplifier

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List price $359.00
-16% $299.99

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• 150 watts x 2 channel @ 4 ohm
• 270 watts x 2 channel @ 2 ohm
• Bridged: 540 watts x 1 channel @ 4 ohm
• Total RMS Power: 540 watts
• Class D 2 ohm Stable 2-Channel Amplifier

PRV Audio RS1400 BASS 1 Ohm

1400W RMS Class D RS Series Monoblock Car Amplifier

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PRV Audio RS1400 BASS 1 Ohm

1400W RMS Class D RS Series Monoblock Car Amplifier

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

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List price $237.39
-20% $189.91

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Rockford Fosgate M5-800X4

400W RMS M5-Series Class-AD 4-channel Marine Amplifier

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Rockford Fosgate M5-800X4

400W RMS M5-Series Class-AD 4-channel Marine Amplifier

• 100 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 AD 2 ohm Stable 4-Channel Amplifier

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Deaf Bonce Machete MLA-1500

1480W RMS Class D Machete Series Monoblock Car Amplifier

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Deaf Bonce Machete MLA-1500

1480W RMS Class D Machete Series Monoblock Car Amplifier

• 540 watts x 1 channel @ 4 ohm
• 920 watts x 1 channel @ 2 ohm
• 1480 watts x 1 channel @ 1 ohm
• Total RMS Power: 1480 watts
• Class D 1 ohm Stable Monoblock Amplifier

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$239.90

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Autotek MM-1525.2D Mean Machine

1500W Peak Class D Mean Machine Series 2-Channel Car Amplifier

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Autotek MM-1525.2D Mean Machine

1500W Peak Class D Mean Machine Series 2-Channel Car Amplifier

• 375 watts x 2 channel @ 4 ohm
• 750 watts x 2 channel @ 2 ohm
• Bridged: 1500 watts x 1 channel @ 4 ohm
• Total power output: 1500 watts
• Class D 2 ohm Stable 2-Channel-Channel Amplifier

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Save 30% on an NVX XKIT42 Amp Kit with Purchase! Add a qualifying amplifier to your cart and save 30% on the NVX XKIT42 Amp Kit! No code needed — discount applies automatically at checkout.
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Rockford Fosgate Punch Marine PM600X4

600W RMS Class AB Punch Series 4 Channel Marine Amplifier

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Rockford Fosgate Punch Marine PM600X4

600W RMS Class AB Punch Series 4 Channel Marine Amplifier

• 75 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 A/B 2 ohm Stable 4-Channel Amplifier

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Deaf Bonce Apocalypse ASA 1500.2

1500W RMS Class D Apocalypse Sport Series 2-Channel Car Amplifier

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Deaf Bonce Apocalypse ASA 1500.2

1500W RMS Class D Apocalypse Sport Series 2-Channel Car Amplifier

• 550 watts x 2 channel @ 4 ohm
• 890 watts x 2 channel @ 2 ohm
• 1500 watts x 2 channel @ 1 ohm
• Bridged: 1780 watts x 1 channel @ 4 ohm
• Bridged: 3020 watts @ 2 ohm
• Total RMS Power: 1500 watts
• Class D 1 ohm Stable 2-Channel-Channel Amplifier

Save 30% off an NVX XKIT02 Amp Kit at Checkout!
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Crunch CRA-2000.4

2000W RMS Class D CRA Series 4-Channel Compact Car Amplifier

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Crunch CRA-2000.4

2000W RMS Class D CRA Series 4-Channel Compact Car Amplifier

• 250 watts x 4 channel @ 4 ohm
• 500 watts x 4 channel @ 2 ohm
• Bridged: 1000 watts x 2 channel @ 4 ohm
• Total RMS Power: 2000 watts
• Class D 2 ohm Stable 4-Channel Amplifier

Save 30% off an NVX XKIT44 Amp Kit at Checkout!
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• 250 watts x 4 channel @ 4 ohm
• 500 watts x 4 channel @ 2 ohm
• Bridged: 1000 watts x 2 channel @ 4 ohm
• Total RMS Power: 2000 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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