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1985 Subaru GL

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Single, 1-channel monoblock sub amplifiers for when you add a sub

Overview 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 1985 Subaru GL

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.
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XFL Series (1)
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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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

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JL Audio RD1500/1 (Open Box, Great)

1500W RMS Class D RD Series Monoblock Car Amplifier

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JL Audio RD1500/1 (Open Box, Great)

1500W RMS Class D RD Series Monoblock Car Amplifier

• 750 watts x 1 channel @ 4 ohm
• 1000 watts x 1 channel @ 3 ohm
• 1500 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

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NVX - Worth the Envy - Direct to Consumer Car Audio

Rockford Fosgate Power T500-1bdCP with Amplifier Wiring Kit

500W RMS Constant Power Series Class BD Monoblock Amplifier

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Rockford Fosgate Power T500-1bdCP with Amplifier Wiring Kit

500W RMS Constant Power Series Class BD Monoblock Amplifier

• RMS: 300W x 1 @ 4 ohm, 500W x 1 @ 2 ohm, 500W x 1 @ 1 ohm
• Dynamic Power Output: 690W
• CEA-2006 Compliant
• Variable Bass Boost: 0 to +18 dB at 45 Hz
• Ultra Efficient Class bD Circuitry
• Dimensions: 11-7/16"L x 8-3/16"W x 2-3/16"H

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• RMS: 300W x 1 @ 4 ohm, 500W x 1 @ 2 ohm, 500W x 1 @ 1 ohm
• Dynamic Power Output: 690W
• CEA-2006 Compliant
• Variable Bass Boost: 0 to +18 dB at 45 Hz
• Ultra Efficient Class bD Circuitry
• Dimensions: 11-7/16"L x 8-3/16"W x 2-3/16"H

Diamond Audio DMD1000.1D with NVX 4 Gauge Amp Kit

1000W RMS DMD Series Class-D Monoblock Amplifier

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Diamond Audio DMD1000.1D with NVX 4 Gauge Amp Kit

1000W RMS DMD Series Class-D Monoblock Amplifier

• 680 Watts x 1 @ 4 ohm
• 1000 Watts x 1 @ 2 ohm
• N/A @ 1 ohm
• Total RMS Power: 1000 watts
• Class D 2 ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

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• 680 Watts x 1 @ 4 ohm
• 1000 Watts x 1 @ 2 ohm
• N/A @ 1 ohm
• Total RMS Power: 1000 watts
• Class D 2 ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

Rockford Fosgate Prime R500X1D Amplifier + 1.0 Farad Capacitor + 4 Gauge Amp Kit

500W RMS Prime Series Class D Monoblock Amplifier + 1.0 Farad Capacitor + 4 AWG Amp Kit

BAK42BK,BB1D,R500X1D big
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Rockford Fosgate Prime R500X1D Amplifier + 1.0 Farad Capacitor + 4 Gauge Amp Kit

500W RMS Prime Series Class D Monoblock Amplifier + 1.0 Farad Capacitor + 4 AWG Amp Kit

• Rockford Fosgate R500X1D 500W RMS Prime Monoblock Amplifier
• Belva BAK42 Complete 4 Gauge 2-Channel Amplifier Installation Kit
• Belva BB1D 1.0 Farad Capacitor
• RMS: 500W x 1 @ 2 ohm
• Premium Power and Ground Wire Provides Optimal Power Transfer

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• Rockford Fosgate R500X1D 500W RMS Prime Monoblock Amplifier
• Belva BAK42 Complete 4 Gauge 2-Channel Amplifier Installation Kit
• Belva BB1D 1.0 Farad Capacitor
• RMS: 500W x 1 @ 2 ohm
• Premium Power and Ground Wire Provides Optimal Power Transfer

Limited time!

Belva BB200ABv2 (Open Box, Good)

500W Peak Class A/B Monoblock Amplifier

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Belva BB200ABv2 (Open Box, Good)

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
• Remote bass knob included

Save 30% off an NVX XKIT82 Amp Kit at Checkout!
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NVX XKIT82

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Deaf Bonce Apocalypse 1300.1 Pro with Belva 4 Gauge Amp Kit

1300W RMS Class D Apocalypse Atom Pro Series Monoblock Subwoofer Amplifier with Bass Remote

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Deaf Bonce Apocalypse 1300.1 Pro with Belva 4 Gauge Amp Kit

1300W RMS Class D Apocalypse Atom Pro Series Monoblock Subwoofer Amplifier with Bass Remote

• 490 watts x 1 channel @ 4 ohm
• 780 watts x 1 channel @ 2 ohm
• 1300 watts x 1 channel @ 1 ohm
• Total RMS Power: 1300 watts
• Class D 1 ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

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• 490 watts x 1 channel @ 4 ohm
• 780 watts x 1 channel @ 2 ohm
• 1300 watts x 1 channel @ 1 ohm
• Total RMS Power: 1300 watts
• Class D 1 ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

Belva BXA15001 with Amplifier Wiring Kit

1500W Max Monoblock Class-AB Car Amplifier Package

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Belva BXA15001 with Amplifier Wiring Kit

1500W Max Monoblock Class-AB Car Amplifier Package

• 750 watts x 1 channel @ 4 ohm
• 1500 watts x 1 channel @ 2 ohm
• Total Peak Power: 1500 watts
• Class A/B 2 ohm Stable Monoblock
• Includes Amplifier Wiring Kit

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• 750 watts x 1 channel @ 4 ohm
• 1500 watts x 1 channel @ 2 ohm
• Total Peak Power: 1500 watts
• Class A/B 2 ohm Stable Monoblock
• Includes Amplifier Wiring Kit

Kicker CXA1200.1 (46CXA12001T) with NVX 4 Gauge Amp Kit

1200W RMS Class-D CX-Series Monoblock Car Amplifier

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Kicker CXA1200.1 (46CXA12001T) with NVX 4 Gauge Amp Kit

1200W RMS Class-D CX-Series Monoblock Car Amplifier

• 600 watts x 1 channel @ 4 ohm
• 1200 watts x 1 channel @ 2 ohm
• 1200 watts x 1 channel @ 1 ohm
• Total RMS Power: 1200 watts
• Class D 1 ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

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• 600 watts x 1 channel @ 4 ohm
• 1200 watts x 1 channel @ 2 ohm
• 1200 watts x 1 channel @ 1 ohm
• Total RMS Power: 1200 watts
• Class D 1 ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

Limited time!

NVX BDA7501 (Open Box, Good)

750W RMS BD-Series Class D Monoblock 2-Ohm Stable Amplifier

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NVX BDA7501 (Open Box, Good)

750W RMS BD-Series Class D Monoblock 2-Ohm Stable Amplifier

• Class-D Monoblock
• True RMS Power:
• 450W x 1 @ 4 ohm
• 750W x 1 @ 2 ohm
• CEA-2006 Compliant
• Wired remote bass level control included
• Dimensions: 7" W x 9.75" L x 2" H

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-7% $139.99

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• Class-D Monoblock
• True RMS Power:
• 450W x 1 @ 4 ohm
• 750W x 1 @ 2 ohm
• CEA-2006 Compliant
• Wired remote bass level control included
• Dimensions: 7" W x 9.75" L x 2" H

Wet Sounds STX MICRO-1 (Like New (Open Box))

600W Peak Class D Stealth STX Series Compact Monoblock Marine and Powersports Amplifier

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Wet Sounds STX MICRO-1 (Like New (Open Box))

600W Peak Class D Stealth STX Series Compact Monoblock Marine and Powersports Amplifier

• 250 watts x 1 channel @ 4 ohm
• 420 watts x 1 channel @ 2 ohm
• 600 watts x 1 channel @ 1 ohm
• Total Peak Power: 600 watts
• Class D 1 ohm Stable Monoblock Amplifier

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• 250 watts x 1 channel @ 4 ohm
• 420 watts x 1 channel @ 2 ohm
• 600 watts x 1 channel @ 1 ohm
• Total Peak Power: 600 watts
• Class D 1 ohm Stable Monoblock Amplifier

Limited time!

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

Alpine KTA-200M (Like New (Open Box))

400W Peak (200W RMS) Class D Power Pack Series Monoblock Car Amplifier

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Alpine KTA-200M (Like New (Open Box))

400W Peak (200W RMS) Class D Power Pack Series Monoblock Car Amplifier

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

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List price $300.00
-21% $237.45

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

Rockford Fosgate Power T750X1bd + NVX XKIT42

750W Power Series Ultra Compact Class-BD Monoblock Amplifier + NVX 4 Gauge Amp Wiring Kit

T750X1bd, XKIT42 big
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Rockford Fosgate Power T750X1bd + NVX XKIT42

750W Power Series Ultra Compact Class-BD Monoblock Amplifier + NVX 4 Gauge Amp Wiring Kit

• 500 Watts RMS x 1 @ 4 ohm
• 750 Watts RMS x 1 @ 2 ohm
• 750 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 1500 Watts
• CEA-2006 Compliant
• C.L.E.A.N. input/output clip detection and indicator LEDs
• Dual extruded heat sinks
• C.L.E.A.N. input/output clip detection and indicator LEDs
• Real time thermal sensing with Rollback technology
• Dimensions: 4.3"W x 8.3"L x 1.6"H

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• 500 Watts RMS x 1 @ 4 ohm
• 750 Watts RMS x 1 @ 2 ohm
• 750 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 1500 Watts
• CEA-2006 Compliant
• C.L.E.A.N. input/output clip detection and indicator LEDs
• Dual extruded heat sinks
• C.L.E.A.N. input/output clip detection and indicator LEDs
• Real time thermal sensing with Rollback technology
• Dimensions: 4.3"W x 8.3"L x 1.6"H

Rockford Fosgate Power T2500-1bdCP (Open Box, Great)

2500W RMS Class BD Power Series Monoblock Car Amplifier

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Rockford Fosgate Power T2500-1bdCP (Open Box, Great)

2500W RMS Class BD Power Series Monoblock Car Amplifier

• 1500 watts x 1 channel @ 4 ohm
• 2500 watts x 1 channel @ 2 ohm
• 2500 watts x 1 channel @ 1 ohm
• Total RMS Power: 2500 watts
• Class BD 1 ohm Stable Monoblock Amplifier

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NVX XQA12001 with Amp Wiring Kit

1200W RMS 1-Ohm Stable Monoblock Amplifier + NVX 4 Gauge Amp Wiring Kit

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NVX XQA12001 with Amp Wiring Kit

1200W RMS 1-Ohm Stable Monoblock Amplifier + NVX 4 Gauge Amp Wiring Kit

• 500 watts x 1 channel @ 4 ohm
• 800 watts x 1 channel @ 2 ohm
• 1200 watts x 1 channel @ 1 ohm
• Total RMS Power: 1200 watts
• Class D 1 ohm Stable Monoblock Amplifier

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List price $623.98
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• 500 watts x 1 channel @ 4 ohm
• 800 watts x 1 channel @ 2 ohm
• 1200 watts x 1 channel @ 1 ohm
• Total RMS Power: 1200 watts
• Class D 1 ohm Stable Monoblock Amplifier

Limited time!

NVX VADM1 with Amplifier Wiring Kit

500W RMS Class D Monoblock Amplifier with Bass Remote

XKIT82,VADM1 big
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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

Rockford PM100X1K + FREE $50 Gift Card

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

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Rockford PM100X1K + FREE $50 Gift Card

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

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• PM100X1K
• Punch Marine 100 Watt Full-Range Mono Amplifier (pair)
• Number of Channels: 1
• Frequency Response: 60Hz - 20kHz +/- 1.0dB

Rockford Fosgate Power T750X1bd + FREE $100 Gift Card

750W Power Series Ultra Compact Class-BD Monoblock Amplifier

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Rockford Fosgate Power T750X1bd + FREE $100 Gift Card

750W Power Series Ultra Compact Class-BD Monoblock Amplifier

• 500 Watts RMS x 1 @ 4 ohm
• 750 Watts RMS x 1 @ 2 ohm
• 750 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 1500 Watts
• CEA-2006 Compliant
• C.L.E.A.N. input/output clip detection and indicator LEDs
• Dual extruded heat sinks
• C.L.E.A.N. input/output clip detection and indicator LEDs
• Real time thermal sensing with Rollback technology
• Dimensions: 4.3"W x 8.3"L x 1.6"H

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• 500 Watts RMS x 1 @ 4 ohm
• 750 Watts RMS x 1 @ 2 ohm
• 750 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 1500 Watts
• CEA-2006 Compliant
• C.L.E.A.N. input/output clip detection and indicator LEDs
• Dual extruded heat sinks
• C.L.E.A.N. input/output clip detection and indicator LEDs
• Real time thermal sensing with Rollback technology
• Dimensions: 4.3"W x 8.3"L x 1.6"H

JL Audio JD500/1 (Open Box, Great)

500W RMS Class D JD Series Monoblock Car Amplifier

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JL Audio JD500/1 (Open Box, Great)

500W RMS Class D JD Series Monoblock Car Amplifier

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

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    FAQ for Monoblock Sub Amplifiers in 1985 GL

    Q: Can I upgrade or change the Monoblock Sub Amplifiers in 1985 Subaru GL?

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

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