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1998 GMC Jimmy

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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 Dads & Grads Sale

Amplifiers for Powering a Sub for 1998 GMC Jimmy

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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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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American Bass VFL Comp 2.5K (VFLCOMP-2.5K)

2500W RMS Class D VFL Comp Series Monoblock Car Amplifier (with Bass Remote)

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American Bass VFL Comp 2.5K (VFLCOMP-2.5K)

2500W RMS Class D VFL Comp Series Monoblock Car Amplifier (with Bass Remote)

• Total RMS Power: 2500 watts
• RMS Power: 2500 watts x 1 channel @ 1 ohm
• Class D Stable Monoblock Amplifier

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American Bass VFL Stealth 5500.1D (VFLSTEALTH-5500.1D)

5500W Peak (2800W RMS) Class D VFL Stealth Series Monoblock Car Amplifier (with Bass Remote)

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American Bass VFL Stealth 5500.1D (VFLSTEALTH-5500.1D)

5500W Peak (2800W RMS) Class D VFL Stealth Series Monoblock Car Amplifier (with Bass Remote)

• 2800 watts x 1 channel @ 1 ohm
• Total RMS Power: 2800 watts
• Class D 1 ohm Stable Monoblock Amplifier

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American Bass VFL REBEL 5000.1

5000W RMS Class D VFL Rebel Series Monoblock Full Range Amplifier

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American Bass VFL REBEL 5000.1

5000W RMS Class D VFL Rebel Series Monoblock Full Range Amplifier

• 1600 watts x 1 channel @ 4 ohm
• 3400 watts x 1 channel @ 2 ohm
• 5000 watts x 1 channel @ 1 ohm
• Total RMS Power: 500 watts
• Class D 1 ohm Stable Monoblock Amplifier

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American Bass Godfather 3000.1FR (GF-3000.1FR)

3000W RMS Class D Godfather Series Monoblock Car Amplifier with Bass Remote

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American Bass Godfather 3000.1FR (GF-3000.1FR)

3000W RMS Class D Godfather Series Monoblock Car Amplifier with Bass Remote

• 1400 watts x 1 channel @ 4 ohm
• 2300 watts x 1 channel @ 2 ohm
• 3000 watts x 1 channel @ 1 ohm
• Total RMS Power: 3000 watts
• Class D 1 ohm Stable Monoblock Amplifier

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American Bass XFL-DC-2000

2000W Peak (1000W RMS) Class D XFL Series Monoblock Car Amplifier

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American Bass XFL-DC-2000

2000W Peak (1000W RMS) Class D XFL Series Monoblock Car Amplifier

• 400 watts x 1 channel @ 4 ohm
• 600 watts x 1 channel @ 2 ohm
• Total RMS Power: 1000 watts
• Class D 1 ohm Stable Monoblock Amplifier

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American Bass VFL Comp 20K (VFLCOMP-20K)

20000W RMS Class D VFL Comp Series Monoblock Car Amplifier (with Bass Remote)

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American Bass VFL Comp 20K (VFLCOMP-20K)

20000W RMS Class D VFL Comp Series Monoblock Car Amplifier (with Bass Remote)

• 7600 watts x 1 channel @ 4 ohm
• 13000 watts x 1 channel @ 2 ohm
• 20000 watts x 1 channel @ 1 ohm
• Total RMS Power: 20000 watts
• Class D 1 ohm Stable Monoblock Amplifier

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American Bass Godfather 1500.1D (GF-1500.1D)

1508W RMS Class D Godfather Series Monoblock Car Amplifier (with Bass Remote)

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American Bass Godfather 1500.1D (GF-1500.1D)

1508W RMS Class D Godfather Series Monoblock Car Amplifier (with Bass Remote)

• 670 watts x 1 channel @ 4 ohm
• 1120 watts x 1 channel @ 2 ohm
• Total RMS Power: 1508 watts
• Class D 1 ohm Stable Monoblock Amplifier

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American Bass Godfather Comp 11D (GF-COMP-11D)

11000W Peak Class D Godfather Series Monoblock Car Amplifier

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American Bass Godfather Comp 11D (GF-COMP-11D)

11000W Peak Class D Godfather Series Monoblock Car Amplifier

• Total peak power output: 11000 watts
• Class D Stable Monoblock Amplifier
• Signal sensing remote turn-on
• Crystal-clear, distortion-free sound
• Strappable car amplifier

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American Bass VFL REBEL 8000.1

8000W RMS Class D VFL Rebel Series Monoblock Full Range Amplifier

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American Bass VFL REBEL 8000.1

8000W RMS Class D VFL Rebel Series Monoblock Full Range Amplifier

• 2090 watts x 1 channel @ 4 ohm
• 4300 watts x 1 channel @ 2 ohm
• 8000 watts x 1 channel @ 1 ohm
• Total RMS Power: 8000 watts
• Class D 1 ohm Stable Monoblock Amplifier

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American Bass VFL REBEL 3000.1

3000W RMS Class D VFL Rebel Series Monoblock Full Range Amplifier

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American Bass VFL REBEL 3000.1

3000W RMS Class D VFL Rebel Series Monoblock Full Range Amplifier

• 980 watts x 1 channel @ 4 ohm
• 1905 watts x 1 channel @ 2 ohm
• 3000 watts x 1 channel @ 1 ohm
• Total RMS Power: 3000 watts
• Class D 1 ohm Stable Monoblock Amplifier

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List price $429.00
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American Bass Godfather 3500.1D (GF-3500.1D)

3047W RMS Class D Godfather Series Monoblock Car Amplifier

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American Bass Godfather 3500.1D (GF-3500.1D)

3047W RMS Class D Godfather Series Monoblock Car Amplifier

• 1540 watts x 1 channel @ 4 ohm
• 2280 watts x 1 channel @ 2 ohm
• Total RMS Power: 3047 watts
• Class D 1 ohm Stable Monoblock Amplifier

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American Bass Godfather Comp 7D (GFCOMP-7D)

7000W Peak Class D Godfather Series Monoblock Car Amplifier

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American Bass Godfather Comp 7D (GFCOMP-7D)

7000W Peak Class D Godfather Series Monoblock Car Amplifier

• Total peak power output: 11000 watts
• Class D Stable Monoblock Amplifier
• Signal sensing remote turn-on
• Crystal-clear, distortion-free sound
• Strappable car amplifier

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American Bass VFL Comp 3K (VFLCOMP-3K)

3000W RMS Class D VFL Comp Series Monoblock Car Amplifier (with Bass Remote)

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American Bass VFL Comp 3K (VFLCOMP-3K)

3000W RMS Class D VFL Comp Series Monoblock Car Amplifier (with Bass Remote)

• Total RMS Power: 2900 watts
• RMS Power: 2900 watts x 1 channel @ 1 ohm
• Class D 1 ohm Stable Monoblock Amplifier

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American Bass XFL DC 2000 with Belva 4 Gauge Amp Kit

2000W Peak (1000W RMS) XFL Series Class-D Monoblock Amplifier

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American Bass XFL DC 2000 with Belva 4 Gauge Amp Kit

2000W Peak (1000W RMS) XFL Series Class-D Monoblock Amplifier

• 400 watts x 1 channel @ 4 ohm
• 600 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
• Includes Amplifier Wiring Kit

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• 400 watts x 1 channel @ 4 ohm
• 600 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
• Includes Amplifier Wiring Kit

American Bass GODFATHER 3500.1 with NVX 8 Gauge Amp Kit

3047W RMS Godfather Series Class-D Monoblock Amplifier

GF35001_XKIT82 big
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American Bass GODFATHER 3500.1 with NVX 8 Gauge Amp Kit

3047W RMS Godfather Series Class-D Monoblock Amplifier

• 1540 watts x 1 channel @ 4 ohm
• 2280 watts x 1 channel @ 2 ohm
• 3047 watts x 1 channel @ 1 ohm
• Total Peak Power: 3047 watts
• Class D 1 ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

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• 1540 watts x 1 channel @ 4 ohm
• 2280 watts x 1 channel @ 2 ohm
• 3047 watts x 1 channel @ 1 ohm
• Total Peak Power: 3047 watts
• Class D 1 ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

American Bass GODFATHER 11D with NVX 8 Gauge Amp Kit

Godfather Series Class-D Monoblock Amplifier

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American Bass GODFATHER 11D with NVX 8 Gauge Amp Kit

Godfather Series Class-D Monoblock Amplifier

• Adjustable bass boost for customizable sound preferences
• Class D Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

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List price $3159.05
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• Adjustable bass boost for customizable sound preferences
• Class D Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

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American Bass VFL Stealth 4500.1 (VFLSTEALTH-4500.1D)

4500W Peak (2250W RMS) Class D VFL Stealth Series Monoblock Car Amplifier (with Bass Remote)

VFLSTEALTH-4500.1D big Out of stock
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American Bass VFL Stealth 4500.1 (VFLSTEALTH-4500.1D)

4500W Peak (2250W RMS) Class D VFL Stealth Series Monoblock Car Amplifier (with Bass Remote)

• 1875 watts x 1 channel @ 4 ohm
• 1050 watts x 1 channel @ 2 ohm
• Total RMS Power: 1875 watts
• Class D 1 ohm Stable 1 - Mono Amplifier

Save 30% off an NVX XKIT02 Amp Kit at Checkout!
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List price $715.96
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• 1875 watts x 1 channel @ 4 ohm
• 1050 watts x 1 channel @ 2 ohm
• Total RMS Power: 1875 watts
• Class D 1 ohm Stable 1 - Mono Amplifier

 
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    FAQ for Monoblock Sub Amplifiers in 1998 Jimmy

    Q: Can I upgrade or change the Monoblock Sub Amplifiers in 1998 GMC Jimmy?

    A: Yes this page includes all the best Monoblock Sub Amplifiers that work in your Jimmy.

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    Why Use a Vehicle Fit Guide?
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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
    • You avoid incompatible radios, speakers, or wiring
    • Installation is smoother, faster, and frustration-free
    • You get the correct accessories the first time

    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.

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