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Refurbished & Used for your 2012 C/V close

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Product Type
Amplifiers,
Price Range
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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NVX VADM4 Version 2 (VADM4v2) (Open Box, Great)

500W RMS V-Series Micro Full-Range Class D 4-Channel Amplifier Car/Marine/Powersports Amplifier

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NVX VADM4 Version 2 (VADM4v2) (Open Box, Great)

500W RMS V-Series Micro Full-Range Class D 4-Channel Amplifier Car/Marine/Powersports Amplifier

• 80 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-Channel Amplifier

10% Off Open Box!
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List price $237.99
-43% $136.49
$122.84 with coupon | Price details

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JBL ClubA1000 (Club A 1000) - Open Box, Great

High Performance Mono-block Subwoofer Amplifier

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JBL ClubA1000 (Club A 1000) - Open Box, Great

High Performance Mono-block Subwoofer Amplifier

• Class D Amp Technology
• 4 Ohm: 600 Watts RMS x 1
• 2 Ohm: 1000 Watts RMS x 1
• Variable Crossover and Bass Boost
• Turn-On Mode Switch

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List price $499.95
-37% $314.96

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MB Quart NA3-1000.5 (Open Box, Good)

Nautic Marine 1000 Watt 5 Channel Marine Amplifier with Bass Remote

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MB Quart NA3-1000.5 (Open Box, Good)

Nautic Marine 1000 Watt 5 Channel Marine Amplifier with Bass Remote

• 75 Watts Peak x 4 + 100 Watts x 1 @ 4 ohm
• 150 Watts Peak x 4 + 200 Watts x 1 @ 2 ohm
• Total Peak Power: 1000 Watts
• CEA-2006 Compliant
• NMMA Certified
• Audiophile Marine Standard
• LED system protection circuit diagnostics
• Class SQ & Class Q1

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List price $569.99
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• 75 Watts Peak x 4 + 100 Watts x 1 @ 4 ohm
• 150 Watts Peak x 4 + 200 Watts x 1 @ 2 ohm
• Total Peak Power: 1000 Watts
• CEA-2006 Compliant
• NMMA Certified
• Audiophile Marine Standard
• LED system protection circuit diagnostics
• Class SQ & Class Q1

Belva BXA15001 (Open Box, Great)

1500W Peak BX-Series Class-AB Monoblock Car Amplifier with Bass Remote

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Belva BXA15001 (Open Box, Great)

1500W Peak BX-Series Class-AB Monoblock Car Amplifier with Bass Remote

• 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

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2026-06-08 09:46:00
Save 30% off an NVX XKIT82 Amp Kit at Checkout! Add a qualifying amplifier to your cart and save 30% on the NVX XKIT82 Amp Kit! No code needed — discount applies automatically at checkout.
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NVX MVPA2 (Open Box, Great)

600W RMS Marine-V Series 2-Channel Class D Compact Marine/Powersports/Motorcycle Amplifier

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NVX MVPA2 (Open Box, Great)

600W RMS Marine-V Series 2-Channel Class D Compact Marine/Powersports/Motorcycle Amplifier

• 200 Watts RMS x 2 @ 4 ohm
• 300 Watts RMS x 2 @ 2 ohm
• CEA-2006 Compliant/Preamp Outputs/LPF
• Micro Amplifier
• Weatherproof Amplifier
• 9.7"W x 4.4"L x 1.7"H

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• 200 Watts RMS x 2 @ 4 ohm
• 300 Watts RMS x 2 @ 2 ohm
• CEA-2006 Compliant/Preamp Outputs/LPF
• Micro Amplifier
• Weatherproof Amplifier
• 9.7"W x 4.4"L x 1.7"H

Limited time!

NVX VAD10004 (Open Box, Great)

1000W RMS Full Range Class D 4-Channel Car/Marine/Powersports Amplifier

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NVX VAD10004 (Open Box, Great)

1000W RMS Full Range Class D 4-Channel Car/Marine/Powersports Amplifier

• 150 watts x 4 channel @ 4 ohm
• 250 watts x 4 channel @ 2 ohm
• Bridged: 500 watts x 2 channel @ 4 ohm
• Total RMS Power: 1000 watts
• CEA-2006 Compliant
• Class D 2 ohm Stable 4-Channel-Channel Amplifier

10% Off Open Box!
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List price $349.99
-34% $229.99
$206.99 with coupon | Price details

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NVX NBA201 (Like New (Open Box))

1400W Peak (700W) RMS N-Series Class A/B 2-Channel Amplifier

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NVX NBA201 (Like New (Open Box))

1400W Peak (700W) RMS N-Series Class A/B 2-Channel Amplifier

• 200 watts x 2 channel @ 4 ohm
• 350 watts x 2 channel @ 2 ohm
• Bridged: 700 watts x 1 channel @ 4 ohm
• Total RMS Power: 700 watts
• CEA-2006 Compliant

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List price $249.99
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List price $249.99
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2026-06-08 09:46:00
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.
Select your other item

• 200 watts x 2 channel @ 4 ohm
• 350 watts x 2 channel @ 2 ohm
• Bridged: 700 watts x 1 channel @ 4 ohm
• Total RMS Power: 700 watts
• CEA-2006 Compliant

Limited time!

NVX VAD10004 (Like New (Open Box))

1000W RMS Full Range Class D 4-Channel Car/Marine/Powersports Amplifier

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NVX VAD10004 (Like New (Open Box))

1000W RMS Full Range Class D 4-Channel Car/Marine/Powersports Amplifier

• 150 watts x 4 channel @ 4 ohm
• 250 watts x 4 channel @ 2 ohm
• Bridged: 500 watts x 2 channel @ 4 ohm
• Total RMS Power: 1000 watts
• CEA-2006 Compliant
• Class D 2 ohm Stable 4-Channel-Channel Amplifier

10% Off Open Box!
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List price $349.99
-31% $242.24
$218.02 with coupon | Price details

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Cerwin Vega B54 (Like New (Open Box))

1200W Peak (600W RMS) Class D Stealth Bomber Series 4 Channel Car Amplifier

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Cerwin Vega B54 (Like New (Open Box))

1200W Peak (600W RMS) Class D Stealth Bomber Series 4 Channel Car Amplifier

• 80 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 D 2 ohm Stable 4-Channel Amplifier

2+ offers available
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List price $467.99
-17% $389.99

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10% Off Open Box! Save an Extra 10% on Open Box at Checkout!
List price $467.99
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$350.99 with coupon | Price details
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2026-06-08 09:46:00
Save 30% off an NVX XKIT84 Amp Kit at Checkout! Add a qualifying amplifier to your cart and save 30% on the NVX XKIT84 Amp Kit! No code needed — discount applies automatically at checkout.
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See all 4 special offers
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NVX VAD11005 (Like New (Open Box))

1100W Full Range Class D 5-Channel Car/Marine/Powersports Amplifier with Bass Remote

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NVX VAD11005 (Like New (Open Box))

1100W Full Range Class D 5-Channel Car/Marine/Powersports Amplifier with Bass Remote

• 4 ohm: 80 watts x 4 chan. + 350 x 1 chan.
• 2 ohm: 125 watts x 4 chan. + 600 x 1 chan.
• Bridged, 4 ohm: 250 watts x 2 chan. + 600 x 1 chan.
• 5/4/2 Channel Operation

10% Off Open Box!
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List price $399.99
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Wet Sounds SYN-DX 2 (Like New (Open Box))

750W RMS SYN-DX Series Bridgeable Full Range 2-Channel Class D Marine Amplifier (WetSounds)

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Wet Sounds SYN-DX 2 (Like New (Open Box))

750W RMS SYN-DX Series Bridgeable Full Range 2-Channel Class D Marine Amplifier (WetSounds)

• 200 watts x 2 chan. @ 4 Ohm
• 375 watts x 2 chan. @ 2 Ohm
• 750 watts x 1 chan. @ 4 Ohm
• Total power output: 750 watts RMS
• Variable low-pass filter: 50 - 250 Hz, 12 dB/octave
• Variable high-pass filter: 50 - 250 Hz, 12 dB/octave
• Fuse Rating: 30 A x 3

10% Off Open Box!
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List price $1099.99
-15% $934.99
$841.49 with coupon | Price details

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NVX VAD10001 (Open Box, Good)

2000W Peak (1000W RMS) Class D Monoblock Car/Marine/Powersports Amplifier with Bass Remote (Marine Certified)

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NVX VAD10001 (Open Box, Good)

2000W Peak (1000W RMS) Class D Monoblock Car/Marine/Powersports Amplifier with Bass Remote (Marine Certified)

• RMS: 420 x 1 @ 4 ohm, 760W x 1 @ 2 ohm, 1000W x 1 @ 1 ohm
• Total RMS Power: 1000W
• CEA-2006 Compliant
• Wired Bass Remote Included
• Efficient Class D Design
• Dimensions: 7.0"W x 5.4"D x 2.0H

10% Off Open Box!
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List price $224.99
-40% $134.71
$121.24 with coupon | Price details

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• RMS: 420 x 1 @ 4 ohm, 760W x 1 @ 2 ohm, 1000W x 1 @ 1 ohm
• Total RMS Power: 1000W
• CEA-2006 Compliant
• Wired Bass Remote Included
• Efficient Class D Design
• Dimensions: 7.0"W x 5.4"D x 2.0H

 
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    All About Refurbished & Used

    The Liquidation Station area of Sonic Electronix includes all kinds of great deals! Take advantage of like-new open box returns, overstocks in our warehouse, and factory refurbished to new items! All goods are covered by the warranty listed on the page. Store returns, overstocks, and open box items are still covered under the full factory warranty (where applicable), whereas refurbished items are covered by a 90-day warranty typically (unless otherwise noted). Everything in this section is limited stock, so if you see it one day, it may be gone the next... start shopping and saving today! Overstock goods, store returns/display models, price reductions, last year's models, open box goods, and some refurbished goods. Last chance for steep discounts on your favorite products.
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