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2007 Chevrolet TrailBlazer

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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 2007 Chevrolet TrailBlazer

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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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.
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.
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.
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.
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.

Speaker Level Inputs
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.
Maximum Input Gauge Size
This is the largest gauge wire that will fit into the power and ground terminals of this device. The lower the gauge number, the thicker the wire is. For example, a 4 gauge wire is thicker than an 8 gauge wire and thus has higher current carrying capacity. Always do your best to get this size wire to reduce the risk of damage to your components.
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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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• Adjustable bass boost for customizable sound preferences
• Class D Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

Hifonics A1200.1D with Belva 8 Gauge Amp Kit

Alpha Series Class-D Compact 1200 Watt 1-Ohm Stable Monoblock Car Audio Amplifier

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Hifonics A1200.1D with Belva 8 Gauge Amp Kit

Alpha Series Class-D Compact 1200 Watt 1-Ohm Stable Monoblock Car Audio Amplifier

• 4 ohm: 325 Watts x 1 chan. / 2 ohm: 600 Watts x 1 chan. / 1 ohm: 1200 Watts x 1 chan.
• Total power output: 1200 Watts
• Pulse Width Modulated MOSFET power supply
• Accu-Cross crossovers allow for complete control of the signal directing to all speakers
• The Ultra-Fi™ MOSFET is designed for music production vs just electronics output power. It produces very musical high power with high efficiency for cooling and minimal distortion
• Frequency Response: 10 - 250 Hz
• Includes Amplifier Wiring Kit

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-23% $257.50

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• 4 ohm: 325 Watts x 1 chan. / 2 ohm: 600 Watts x 1 chan. / 1 ohm: 1200 Watts x 1 chan.
• Total power output: 1200 Watts
• Pulse Width Modulated MOSFET power supply
• Accu-Cross crossovers allow for complete control of the signal directing to all speakers
• The Ultra-Fi™ MOSFET is designed for music production vs just electronics output power. It produces very musical high power with high efficiency for cooling and minimal distortion
• Frequency Response: 10 - 250 Hz
• Includes Amplifier Wiring Kit

Kicker 46CXA800.1 with Amp Kit and 3 Year Warranty

800W Peak (600W RMS) CX Series Class-D Monoblock Amplifier with 4 Gauge Amp Kit

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Kicker 46CXA800.1 with Amp Kit and 3 Year Warranty

800W Peak (600W RMS) CX Series Class-D Monoblock Amplifier with 4 Gauge Amp Kit

• 300 Watts RMS x 1 @ 4 ohm
• 600 Watts RMS x 1 @ 2 ohm
• 800 Watts RMS x 1 @ 1 ohm
• Efficient Class-D Monoblock Amplifier
• KickEQ™ 6dB variable bass boost for those additional low frequencies
• FIT+™ (Fail-safe Integration Technology-PLUS) means it works with nearly every radio
• Amplifier wiring kit included

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• 300 Watts RMS x 1 @ 4 ohm
• 600 Watts RMS x 1 @ 2 ohm
• 800 Watts RMS x 1 @ 1 ohm
• Efficient Class-D Monoblock Amplifier
• KickEQ™ 6dB variable bass boost for those additional low frequencies
• FIT+™ (Fail-safe Integration Technology-PLUS) means it works with nearly every radio
• Amplifier wiring kit included

Diamond Audio MICRO1V2 with NVX 8 Gauge Amp Kit

500W RMS Micro Series Class-D Monoblock Amplifier

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Diamond Audio MICRO1V2 with NVX 8 Gauge Amp Kit

500W RMS Micro Series Class-D Monoblock Amplifier

• 175 watts x 1 channel @ 4 ohm
• 300 watts x 1 channel @ 2 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

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• 175 watts x 1 channel @ 4 ohm
• 300 watts x 1 channel @ 2 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

Rockford Fosgate R2-250X1 + Free Belva BAK42 4 Gauge Amp Wiring Kit

Prime Series 250 Watt MonoBlock Amplifier + Belva 4 Gauge Amp Kit

R2-250X1, BAK42 big
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Rockford Fosgate R2-250X1 + Free Belva BAK42 4 Gauge Amp Wiring Kit

Prime Series 250 Watt MonoBlock Amplifier + Belva 4 Gauge Amp Kit

• 150 Watts RMS x 1 @ 4 ohm
• 250 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 250 Watts
• CEA-2006 Compliant/Preamp Outputs/LPF
• Sub Infrasonic Filter: 15 Hz - 40 Hz

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• 150 Watts RMS x 1 @ 4 ohm
• 250 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 250 Watts
• CEA-2006 Compliant/Preamp Outputs/LPF
• Sub Infrasonic Filter: 15 Hz - 40 Hz

Rockford Fosgate Power T1500-1BDCP + Rockford Fosgate RFK4I 4 Gauge 2-Ch Amp Kit

1500W RMS Constant Power Series Class BD Monoblock Amplifier

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Rockford Fosgate Power T1500-1BDCP + Rockford Fosgate RFK4I 4 Gauge 2-Ch Amp Kit

1500W RMS Constant Power Series Class BD Monoblock Amplifier

• RMS: 1000W x 1 @ 4 ohm, 1500W x 1 @ 2 ohm, 1500W x 1 @ 1 ohm
• Total RMS Power: 1500W
• CEA-2006 Compliant
• Variable Bass Boost: 0 to +18 dB at 45 Hz
• Ultra Efficient Class bD Circuitry
• Dimensions: 14-15/16"L x 8-3/16"W x 2-3/16"H
• Includes Rockford Fosgate RFK4I 4 Gauge 2-Ch Amp Kit

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• RMS: 1000W x 1 @ 4 ohm, 1500W x 1 @ 2 ohm, 1500W x 1 @ 1 ohm
• Total RMS Power: 1500W
• CEA-2006 Compliant
• Variable Bass Boost: 0 to +18 dB at 45 Hz
• Ultra Efficient Class bD Circuitry
• Dimensions: 14-15/16"L x 8-3/16"W x 2-3/16"H
• Includes Rockford Fosgate RFK4I 4 Gauge 2-Ch Amp Kit

JL Audio JD250/1 with Belva 8 Gauge Amp Kit

250W RMS JD Series Class-D Monoblock Amplifier

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JL Audio JD250/1 with Belva 8 Gauge Amp Kit

250W RMS JD Series Class-D Monoblock Amplifier

• 150 watts x 1 channel @ 4 ohm
• 250 watts x 1 channel @ 2 ohm
• Total RMS Power: 250 watts
• Class D 2 ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

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• 150 watts x 1 channel @ 4 ohm
• 250 watts x 1 channel @ 2 ohm
• Total RMS Power: 250 watts
• Class D 2 ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

Rockford Fosgate Power T1500-1BDCP with Amplifier Wiring Kit

1500W RMS Constant Power Series Monoblock Amplifier + NVX 4 Gauge Amp Wiring Kit

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Rockford Fosgate Power T1500-1BDCP with Amplifier Wiring Kit

1500W RMS Constant Power Series Monoblock Amplifier + NVX 4 Gauge Amp Wiring Kit

• RMS: 1000W x 1 @ 4 ohm, 1500W x 1 @ 2 ohm, 1500W x 1 @ 1 ohm
• Total RMS Power: 1500W
• CEA-2006 Compliant
• Variable Bass Boost: 0 to +18 dB at 45 Hz
• Ultra Efficient Class bD Circuitry
• Dimensions: 14-15/16"L x 8-3/16"W x 2-3/16"H

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• RMS: 1000W x 1 @ 4 ohm, 1500W x 1 @ 2 ohm, 1500W x 1 @ 1 ohm
• Total RMS Power: 1500W
• CEA-2006 Compliant
• Variable Bass Boost: 0 to +18 dB at 45 Hz
• Ultra Efficient Class bD Circuitry
• Dimensions: 14-15/16"L x 8-3/16"W x 2-3/16"H

Belva BB200ABv2 with Belva 8 Gauge Amp Kit

500W Peak Class A/B Monoblock Amplifier

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Belva BB200ABv2 with Belva 8 Gauge Amp Kit

500W Peak Class A/B Monoblock Amplifier

• Class A/B Monoblock Amplifier
• Adjustable Gain Controls
• Low-Pass Filter: 40-300Hz
• Bass Boost: +0-12DB
• One pair of preamp outputs
• Includes Remote bass knob
• Includes Amplifier Wiring Kit

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• Class A/B Monoblock Amplifier
• Adjustable Gain Controls
• Low-Pass Filter: 40-300Hz
• Bass Boost: +0-12DB
• One pair of preamp outputs
• Includes Remote bass knob
• Includes Amplifier Wiring Kit

Alpine S2-A60M with Belva 4 Gauge Amp Kit

600W RMS S-Series Class-D Monoblock Car Amplifier

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Alpine S2-A60M with Belva 4 Gauge Amp Kit

600W RMS S-Series Class-D Monoblock Car Amplifier

• 330 watts x 1 channel @ 4 ohm
• 600 watts x 1 channel @ 2 ohm
• Class D 2 ohm Stable Monoblock Amplifier

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• 330 watts x 1 channel @ 4 ohm
• 600 watts x 1 channel @ 2 ohm
• Class D 2 ohm Stable Monoblock Amplifier

NVX XQA25001 with NVX 1/0 Gauge Amp Kit

2500W RMS XQ-Series SQ Class D Strappable 1-Ohm Stable Monoblock Amplifier with X-Boost

XQA25001_XKIT02 big
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NVX XQA25001 with NVX 1/0 Gauge Amp Kit

2500W RMS XQ-Series SQ Class D Strappable 1-Ohm Stable Monoblock Amplifier with X-Boost

• 1000 watts x 1 channel @ 4 ohm
• 1500 watts x 1 channel @ 2 ohm
• 2500 watts x 1 channel @ 1 ohm
• Total RMS Power: 2500 watts
• Class D 1 ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

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• 1000 watts x 1 channel @ 4 ohm
• 1500 watts x 1 channel @ 2 ohm
• 2500 watts x 1 channel @ 1 ohm
• Total RMS Power: 2500 watts
• Class D 1 ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

Kenwood KAC-9106D w/Belva 1.0 Farad Capacitor + Belva 2000 Watt Handling Amp Kit

1000W RMS Class D Monoblock Car Amplifier w/ 1.0 Farad Capacitor & 4 AWG Amp Kit

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Kenwood KAC-9106D w/Belva 1.0 Farad Capacitor + Belva 2000 Watt Handling Amp Kit

1000W RMS Class D Monoblock Car Amplifier w/ 1.0 Farad Capacitor & 4 AWG Amp Kit

• Kenwood KAC-9106D Performance Series 1000W Class-D Monoblock Amplifier
• Belva BAK42 Complete 4 Gauge 2-Channel Amplifier Installation Kit
• Belva BB1D 1.0 Farad Capacitor
• RMS: 500W x 1 @ 4 ohm
• Premium Power and Ground Wire Provides Optimal Power Transfer

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• Kenwood KAC-9106D Performance Series 1000W Class-D Monoblock Amplifier
• Belva BAK42 Complete 4 Gauge 2-Channel Amplifier Installation Kit
• Belva BB1D 1.0 Farad Capacitor
• RMS: 500W x 1 @ 4 ohm
• Premium Power and Ground Wire Provides Optimal Power Transfer

DS18 ZR1500.1D with NVX 4 Gauge Amp Kit

4500W RMS ZR Series Class-D Monoblock Amplifier

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DS18 ZR1500.1D with NVX 4 Gauge Amp Kit

4500W RMS ZR Series Class-D Monoblock Amplifier

• 550 watts x 1 channel @ 4 ohm
• 950 watts x 1 channel @ 2 ohm
• 1500 watts x 1 channel @ 1 ohm
• Total RMS Power: 4500 watts
• Class D 1 ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

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• 550 watts x 1 channel @ 4 ohm
• 950 watts x 1 channel @ 2 ohm
• 1500 watts x 1 channel @ 1 ohm
• Total RMS Power: 4500 watts
• Class D 1 ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

Belva BXD4K with Amplifier Wiring Kit

4000W Peak BX-Series Class-D Monoblock Car Audio Amplifier with Bass Remote

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Belva BXD4K with Amplifier Wiring Kit

4000W Peak BX-Series Class-D Monoblock Car Audio Amplifier with Bass Remote

• 100 Watts Max x 1 @ 4 ohm
• 2000 Watts Max x 1 @ 2 ohm
• 4000 Watts Max x 1 @ 1 ohm
• Total Max Power: 4000 watts Watts
• 96dB Signal to noise ratio
• Includes Amplifier Wiring Kit

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• 100 Watts Max x 1 @ 4 ohm
• 2000 Watts Max x 1 @ 2 ohm
• 4000 Watts Max x 1 @ 1 ohm
• Total Max Power: 4000 watts Watts
• 96dB Signal to noise ratio
• Includes Amplifier Wiring Kit

Hifonics HAC-1500.1D with Belva 1/0 Gauge Amp Kit

1500W Peak Colossus Pro Series Class-D Monoblock Amplifier with Bass Remote

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Hifonics HAC-1500.1D with Belva 1/0 Gauge Amp Kit

1500W Peak Colossus Pro Series Class-D Monoblock Amplifier with Bass Remote

• 1 x 375 @ 4 ohm
• 1 x 750 @ 2 ohm
• 1 x 1500 @ 1 ohm
• Total Peak Power: 1 x 1500
• Class D 1 ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

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• 1 x 375 @ 4 ohm
• 1 x 750 @ 2 ohm
• 1 x 1500 @ 1 ohm
• Total Peak Power: 1 x 1500
• Class D 1 ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

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Rockford Fosgate P1000X1bd with Amplifier Wiring Kit

1000W RMS Punch Series Monoblock Class BD Car Power Amplifier

P1000X1BD, BAK42 big
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Rockford Fosgate P1000X1bd with Amplifier Wiring Kit

1000W RMS Punch Series Monoblock Class BD Car Power Amplifier

• RMS: 300W x 1 @ 4 ohm, 500W x 1 @ 2 ohm, 1000W x 1 @ 1 ohm
• Total RMS Power: 1000W
• CEA-2006 Compliant
• Tuned Bass EQ: 0 to +18 dB
• Super Efficient Class BD Circuitry
• Dimensions: 13-5/16"L x 7-3/4"W x 2-3/8"H

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• RMS: 300W x 1 @ 4 ohm, 500W x 1 @ 2 ohm, 1000W x 1 @ 1 ohm
• Total RMS Power: 1000W
• CEA-2006 Compliant
• Tuned Bass EQ: 0 to +18 dB
• Super Efficient Class BD Circuitry
• Dimensions: 13-5/16"L x 7-3/4"W x 2-3/8"H

Rockford Fosgate R2-750X1 with Amplifier Wiring Kit

Rockford Fosgate Prime 750 Watt MonoBlock Amplifier + NVX Premium Complete Amp Kit

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Rockford Fosgate R2-750X1 with Amplifier Wiring Kit

Rockford Fosgate Prime 750 Watt MonoBlock Amplifier + NVX Premium Complete Amp Kit

• 250 Watts RMS x 1 @ 4 ohm
• 500 Watts RMS x 1 @ 2 ohm
• 750 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 500 Watts
• CEA-2006 Compliant • Rollback Protection

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• 250 Watts RMS x 1 @ 4 ohm
• 500 Watts RMS x 1 @ 2 ohm
• 750 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 500 Watts
• CEA-2006 Compliant • Rollback Protection

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NVX VADM1 with Amplifier Wiring Kit

500W RMS Class D Monoblock Amplifier with Bass Remote

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NVX VADM1 with Amplifier Wiring Kit

500W RMS Class D Monoblock Amplifier with Bass Remote

• 500 Watt True RMS Output
• Marine Certified Monoblock Micro Class D Amplifier
• 180W x 1-Chan. @ 4 ohm
• 320W x 1-Chan. @ 2 ohm
• 500W x 1-Chan. @ 1 ohm
• Extremely Small Footprint
• Includes Amplifier Wiring Kit

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• 500 Watt True RMS Output
• Marine Certified Monoblock Micro Class D Amplifier
• 180W x 1-Chan. @ 4 ohm
• 320W x 1-Chan. @ 2 ohm
• 500W x 1-Chan. @ 1 ohm
• Extremely Small Footprint
• Includes Amplifier Wiring Kit

Crunch DR-1325.1 with Belva 8 Gauge Amp Kit

1325W Peak Class AB V-Drive Series Monoblock Car Subwoofer Amplifier with Bass Remote

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Crunch DR-1325.1 with Belva 8 Gauge Amp Kit

1325W Peak Class AB V-Drive Series Monoblock Car Subwoofer Amplifier with Bass Remote

• 650 watts x 1 channel @ 4 ohm
• 1325 watts x 1 channel @ 2 ohm
• Total peak power output: 1325 watts
• Class A/B 2 ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

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• 650 watts x 1 channel @ 4 ohm
• 1325 watts x 1 channel @ 2 ohm
• Total peak power output: 1325 watts
• Class A/B 2 ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

Rockford PM100X1K + NVX XKIT82 8 Gauge Amp Wiring Kit

Two Compact Full-Range Monoblock Amplifiers 60 watts RMS x 1 (each)

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Rockford PM100X1K + NVX XKIT82 8 Gauge Amp Wiring Kit

Two Compact Full-Range Monoblock Amplifiers 60 watts RMS x 1 (each)

• PM100X1K
• Punch Marine 100 Watt Full-Range Mono Amplifier (pair)
• Number of Channels: 1
• Frequency Response: 60Hz - 20kHz +/- 1.0dB
• Includes NVX XKIT82 8 Gauge Amp Wiring Kit

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• PM100X1K
• Punch Marine 100 Watt Full-Range Mono Amplifier (pair)
• Number of Channels: 1
• Frequency Response: 60Hz - 20kHz +/- 1.0dB
• Includes NVX XKIT82 8 Gauge Amp Wiring Kit

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    We love people and we're ready to help you! See what separates us from our competition.

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    FAQ for Monoblock Sub Amplifiers in 2007 TrailBlazer

    Q: Can I upgrade or change the Monoblock Sub Amplifiers in 2007 Chevrolet TrailBlazer?

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

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

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