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.

1 - Monoblock (20)

4-Channel (15)

2-Channel (12)

6-Channel (8)

5-Channel (7)

8-Channel (4)

3-Channel (3)

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.

Speaker Level Inputs (63)

Weather-Resistant (68)

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.

Up to 250 watts (3)

250–500 watts (17)

500–1,000 watts (43)

1,000–1,500 watts (1)

1,500 watts and up (5)

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.

Up to 500 watts (47)

500–1,000 watts (3)

1,000–2,000 watts (13)

2,000–3,000 watts (1)

3,000 watts and up (5)

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.

2 (53)

1 (7)

1.5 (3)

Minimum Impedance Bridged

The lowest impedance the amplifier will handle when it is bridged.

4 ohms (44)

Not Bridgeable (22)

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.

Optional (37)

Yes (17)

No (11)

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.

Yes (18)

Not Tested (14)

No (5)

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.

No (44)

Yes (11)

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JVC KS-DR1004D

400W Car, Marine and Powersports 4-Channel Amplifier

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JVC KS-DR1004D

400W Car, Marine and Powersports 4-Channel Amplifier

• 4-Channel Amplifier (400 W Max)
• RMS Power Output (4 ohm): 45W x 4
• RMS Power Output (2 ohm): 45W x 4
• RMS Power Output (Bridged 4 ohm): 90W x 2
• Conformal Coating
• Circuit Separation Construction
• Large LPF Coil
• Variable HPF & LPF

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JL Audio MV600/1

600W RMS Class D MVi Series Monoblock Marine Amplifier

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JL Audio MV600/1

600W RMS Class D MVi Series Monoblock Marine Amplifier

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

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JL Audio MV700/5i

700W RMS Class D MVi Series 5 Channel Marine Amplifier

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JL Audio MV700/5i

700W RMS Class D MVi Series 5 Channel Marine Amplifier

• 75 watts x 4 channel + 180 watts x 1 channel @ 4 ohm
• 100 watts x 4 channel + 300 watts x 1 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm + 300 watts x 1 channel @ 2 ohm
• Total RMS Power: 700 watts
• Class D 2 ohm Stable 5-Channel Amplifier

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JL Audio MV600/6i

600W RMS Class D MVi Series 6 Channel Marine Amplifier

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JL Audio MV600/6i

600W RMS Class D MVi Series 6 Channel Marine Amplifier

• 75 watts x 6 channel @ 4 ohm
• 100 watts x 6 channel @ 2 ohm
• Bridged: 200 watts x 3 channel @ 4 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 6-Channel Amplifier

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• 75 watts x 6 channel @ 4 ohm
• 100 watts x 6 channel @ 2 ohm
• Bridged: 200 watts x 3 channel @ 4 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 6-Channel Amplifier

NVX VAD22008v2 (Open Box, Great)

2200W RMS Full Range Class D 8-Channel Car/Marine/Powersports Amplifier

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NVX VAD22008v2 (Open Box, Great)

2200W RMS Full Range Class D 8-Channel Car/Marine/Powersports Amplifier

• 150 watts x 6 channel + 250W x2 @ 4 ohm
• 225 watts x 6 channel + 400W x 2 @ 2 ohm
• Bridged: 450 watts x 3 channel + 850W x1 @ 4 ohm
• Total RMS Power: 2200 watts
• Class D 2 ohm Stable 8-Channel-Channel Amplifier

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NVX VAD22008v2 (Like New (Open Box))

2200W RMS Full Range Class D 8-Channel Car/Marine/Powersports Amplifier

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NVX VAD22008v2 (Like New (Open Box))

2200W RMS Full Range Class D 8-Channel Car/Marine/Powersports Amplifier

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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

NVX MVPA2 (Like New (Open Box))

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

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NVX MVPA2 (Like New (Open Box))

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

NVX MVPA2 (Open Box, Good)

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

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NVX MVPA2 (Open Box, Good)

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

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JL Audio XDM500/3 (Open Box, Like New)

500W RMS Class D XDM Series 3 Channel Car and Marine Amplifier

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JL Audio XDM500/3 (Open Box, Like New)

500W RMS Class D XDM Series 3 Channel Car and Marine Amplifier

• 75 watts x 2 channel + 180 watts x 1 channel @ 4 ohm
• 100 watts x 2 channel + 300 watts x 1 channel @ 2 ohm
• Bridged: 200 watts x 1 channel @ 4 ohm + 300 watts x 1 channel @ 2 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable 3-Channel Amplifier

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Rockford Fosgate Punch PM600X4 - New (Damaged Packaging, Product A+)

600W RMS Punch Series Class-AB 4-Channel Marine Amplifier

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Rockford Fosgate Punch PM600X4 - New (Damaged Packaging, Product A+)

600W RMS Punch Series Class-AB 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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• 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

Lowest price in 30 days

JL Audio XDM300/1 (Open Box, Great)

300W RMS Class D XDM Series Monoblock Car and Marine Amplifier

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JL Audio XDM300/1 (Open Box, Great)

300W RMS Class D XDM Series Monoblock Car and Marine Amplifier

• 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

FREE 1-day shipping to OH. Get it Wed, Nov. 19

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$370.99

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• 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

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JL Audio XDM500/3 (Open Box, Great)

500W RMS Class D XDM Series 3 Channel Car and Marine Amplifier

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JL Audio XDM500/3 (Open Box, Great)

500W RMS Class D XDM Series 3 Channel Car and Marine Amplifier

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JL Audio XDM300/1 (Open Box, Like New)

300W RMS Class D XDM Series Monoblock Car and Marine Amplifier

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JL Audio XDM300/1 (Open Box, Like New)

300W RMS Class D XDM Series Monoblock Car and Marine Amplifier

• 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

FREE 1-day shipping to OH. Get it Wed, Nov. 19

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• 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

JL Audio MV400/4i - New (Damaged Packaging, Product A+)

400W RMS MVi Series Class-D 4-Channel Marine Amplifier with Digital Signal Processing (DSP)

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JL Audio MV400/4i - New (Damaged Packaging, Product A+)

400W RMS MVi Series Class-D 4-Channel Marine Amplifier with Digital Signal Processing (DSP)

• 75 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

FREE 1-day shipping to OH. Get it Wed, Nov. 19

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$989.99

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• 75 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

JL Audio MV600/1 - New (Damaged Packaging, Product A+)

600W RMS MVi Series Class-D Monoblock Marine Amplifier

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JL Audio MV600/1 - New (Damaged Packaging, Product A+)

600W RMS MVi Series Class-D Monoblock Marine Amplifier

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

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

JL Audio MV600/6i - New (Damaged Packaging, Product A+)

600W RMS MVi Series Class-D 6-Channel Marine Amplifier with Digital Signal Processing (DSP)

Out of stock

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JL Audio MV600/6i - New (Damaged Packaging, Product A+)

600W RMS MVi Series Class-D 6-Channel Marine Amplifier with Digital Signal Processing (DSP)

• 75 watts x 6 channel @ 4 ohm
• 100 watts x 6 channel @ 2 ohm
• Bridged: 200 watts x 3 channel @ 4 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 6-Channel Amplifier

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• 75 watts x 6 channel @ 4 ohm
• 100 watts x 6 channel @ 2 ohm
• Bridged: 200 watts x 3 channel @ 4 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 6-Channel Amplifier

Lowest price in 30 days

Hertz SP 4.500 (Open Box, Great)

600W RMS Class D SPL Show Series 4-Channel Compact Full Range Car Amplifier

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Hertz SP 4.500 (Open Box, Great)

600W RMS Class D SPL Show Series 4-Channel Compact Full Range Car Amplifier

• 4 Channel: 90 watts x 4 channel @ 4 ohm
• 4 Channel: 150 watts x 4 channel @ 2 ohm
• 3 Channel: 80 watts x 2 channel @ 4 ohm + 330 watts x 1 channel @ 4 ohm
• 3 Channel: 145 watts x 2 channel @ 2 ohm + 300 watts x 1 channel @ 4 ohm
• 2 Channel: 300 watts x 2 channel @ 4-ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 4-Channel Marine Amplifier

FREE 1-day shipping to OH. Get it Wed, Nov. 19

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Hertz SP 4.500 (Open-box, Like New)

600W RMS Class D SPL Show Series 4-Channel Compact Full Range Car Amplifier

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Hertz SP 4.500 (Open-box, Like New)

600W RMS Class D SPL Show Series 4-Channel Compact Full Range Car Amplifier

FREE 1-day shipping to OH. Get it Wed, Nov. 19

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$359.99

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JL Audio XDM600/1

600W RMS Class D XDM Series Monoblock Car and Marine Amplifier

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JL Audio XDM600/1

600W RMS Class D XDM Series Monoblock Car and Marine Amplifier

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

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

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JVC KS-DR1004D

JVC KS-DR1004D

JL Audio MV600/1

JL Audio MV600/1

JL Audio MV700/5i

JL Audio MV700/5i

JL Audio MV600/6i

JL Audio MV600/6i

NVX VAD22008v2 (Open Box, Great)

NVX VAD22008v2 (Open Box, Great)

NVX VAD22008v2 (Like New (Open Box))

NVX VAD22008v2 (Like New (Open Box))

NVX MVPA2 (Open Box, Great)

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NVX MVPA2 (Like New (Open Box))

NVX MVPA2 (Open Box, Good)

NVX MVPA2 (Open Box, Good)

JL Audio XDM500/3 (Open Box, Like New)

JL Audio XDM500/3 (Open Box, Like New)

Rockford Fosgate Punch PM600X4 - New (Damaged Packaging, Product A+)

Rockford Fosgate Punch PM600X4 - New (Damaged Packaging, Product A+)

JL Audio XDM300/1 (Open Box, Great)

JL Audio XDM300/1 (Open Box, Great)

JL Audio XDM500/3 (Open Box, Great)

JL Audio XDM500/3 (Open Box, Great)

JL Audio XDM300/1 (Open Box, Like New)

JL Audio XDM300/1 (Open Box, Like New)

JL Audio MV400/4i - New (Damaged Packaging, Product A+)

JL Audio MV400/4i - New (Damaged Packaging, Product A+)

JL Audio MV600/1 - New (Damaged Packaging, Product A+)

JL Audio MV600/1 - New (Damaged Packaging, Product A+)

JL Audio MV600/6i - New (Damaged Packaging, Product A+)

JL Audio MV600/6i - New (Damaged Packaging, Product A+)

Hertz SP 4.500 (Open Box, Great)

Hertz SP 4.500 (Open Box, Great)

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Hertz SP 4.500 (Open-box, Like New)

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JL Audio XDM600/1

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