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2004 Nissan Sentra

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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 Audio Installation & Accessories Add a Backup Camera Cyber Week Sale

Amplifiers for Powering a Sub for 2004 Nissan Sentra

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.
V Series (15)
Power Series (14)
Punch Series (14)
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BX Series (11)
CX Series (11)
Apocalypse Atom Pro Series (9)
N Series (9)
Stroker Pro Series (9)
COLOSSUS Series (8)
Competition Series (8)
eXcelon Series (8)
Nano Edge Series (7)
SALT Series (7)
SFB Series (7)
Apocalypse Series (6)
Club Series (6)
CVP Series (6)
EXL-P Series (6)
JD Series (6)
Machete Series (6)
RD Series (6)
Reference Series (6)
X Series (6)
Stroker RPM Series (5)
BB Series (4)
GFX Series (4)
GM Series (4)
HD Series (4)
KAC Series (4)
MOJO Pro Series (4)
Power Pack Series (4)
Power Reference (4)
SMD Series (4)
Street Reference Pro (4)
V-Drive Series (4)
XDM Series (4)
XED Series (4)
Zeus Series (4)
Alpha Series (3)
BD Series (3)
COLOSSUS Mini Series (3)
DMD Series (3)
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Godfather Series (3)
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MVi Series (3)
MX Series (3)
R-Series (3)
Razor Series (3)
S Series (3)
SixFive Series (3)
Street Edge Series (3)
Tarantula Series (3)
Apocalypse Sport Series (2)
Bass Series (2)
CANDY-X Series (2)
EXL Series (2)
GM Digital Series (2)
GS Series (2)
HEX Series (2)
Hooligan (2)
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KM Series (2)
LC Series (2)
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MD Series (2)
Mean Machine Series (2)
Micro Series (2)
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MOFO Series (2)
N-Series (2)
Performance Series (2)
Power Class Series (2)
PowerZone Series (2)
Pulse Series (2)
PXA Series (2)
Saber Series (2)
Status Series (2)
SXE Series (2)
VEGA Series (2)
VXi Series (2)
ZR Series (2)
ACM Series (1)
ACX Series (1)
Anarchy Series (1)
Atom Series (1)
ATX Series (1)
BOOST Series (1)
Brutus Series (1)
Diamond Elite Series (1)
DPower Series (1)
DXM Series (1)
Edge Series (1)
EV Series (1)
HED Series (1)
HMP Series (1)
HRPM Series (1)
HTX Series (1)
HXM Series (1)
Key Series (1)
KPX Series (1)
KS Series (1)
M5 Series (1)
MHD Series (1)
Mille Pro Series (1)
MUD Series (1)
MXA Series (1)
Nautic Series (1)
Overdrive Series (1)
Power X Series (1)
PowerZone 2 Series (1)
Prime R2 Series (1)
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Primus Series (1)
Reserve Series (1)
Signature Series (1)
Sinister Series (1)
Smart Bass (1)
Stadium Series (1)
Stage Series (1)
Stealth Bomber Series (1)
Stealth Series (1)
Street Machine Series (1)
Thunder Series (1)
Tsunami Series (1)
V Power Series (1)
Venezia Series (1)
XD-v2 Series (1)
XFL Series (1)
ZXI 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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Alpine MRV-M500

1100W Peak (500W RMS) V-Power Series Class D Monoblock Amplifier

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Alpine MRV-M500

1100W Peak (500W RMS) V-Power Series Class D Monoblock Amplifier

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

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

JL Audio JD1000/1

1000W RMS JD Series Class-D Monoblock Amplifier

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JL Audio JD1000/1

1000W RMS JD Series Class-D Monoblock Amplifier

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

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

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Kicker CXA1800.1 (46CXA18001T)

1800W RMS CX Series Class-D Monoblock Amplifier

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Kicker CXA1800.1 (46CXA18001T)

1800W RMS CX Series Class-D Monoblock Amplifier

• 900 watts x 1 channel @ 4 ohms
• 1800 watts x 1 channel @ 2 ohms
• 1800 watts x 1 channel @ 1 ohm
• Total RMS Power: 1800 watts
• Class D 1 ohms Stable Monoblock Amplifier

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Rockford Fosgate Prime R2-1200X1

1200W RMS Prime Series Class-D Monoblock Amplifier

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Rockford Fosgate Prime R2-1200X1

1200W RMS Prime Series Class-D Monoblock Amplifier

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

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

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Crunch GP-3500.1D

3500W Peak Class-D GP Series Monoblock Car Amplifier with Bass Remote

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Crunch GP-3500.1D

3500W Peak Class-D GP Series Monoblock Car Amplifier with Bass Remote

• 875W Peak @ 4 ohms
• 1750W Peak @ 2 ohms
• 3000W Peak @ 1 ohm
• Total RMS Power: 3500 watts
• Class D 1 ohms Stable Monoblock Amplifier

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• 875W Peak @ 4 ohms
• 1750W Peak @ 2 ohms
• 3000W Peak @ 1 ohm
• Total RMS Power: 3500 watts
• Class D 1 ohms Stable Monoblock Amplifier

JL Audio RD500/1

500W RMS RD Series Class-D Monoblock Car Amplifier

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JL Audio RD500/1

500W RMS RD Series Class-D Monoblock Car Amplifier

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

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Kicker CXA1200.1 (46CXA12001T)

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

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Kicker CXA1200.1 (46CXA12001T)

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

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

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NVX NDA15001

3000W Peak (1500W RMS) N-Series Class-D 1-Ohm Stable Monoblock Amplifier with Remote Bass Knob

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NVX NDA15001

3000W Peak (1500W RMS) N-Series Class-D 1-Ohm Stable Monoblock Amplifier with Remote Bass Knob

• 670 watts x 1 channel @ 4 ohms
• 1100 watts x 1 channel @ 2 ohms
• 1500 watts x 1 channel @ 1 ohm
• Total RMS Power: 1500 watts
• Class D 1 ohms Stable Monoblock Amplifier

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• 670 watts x 1 channel @ 4 ohms
• 1100 watts x 1 channel @ 2 ohms
• 1500 watts x 1 channel @ 1 ohm
• Total RMS Power: 1500 watts
• Class D 1 ohms Stable Monoblock Amplifier

Memphis MJP1000.1

1000W RMS MOJO Pro Series Class-D Monoblock Amplifier

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Memphis MJP1000.1

1000W RMS MOJO Pro Series Class-D Monoblock Amplifier

• 425 watts x 1 channel @ 4 ohms
• 725 watts x 1 channel @ 2 ohms
• 1000 watts x 1 channel @ 1 ohm
• Total RMS Power: 1000 watts
• Class D 2 ohms Stable Monoblock Amplifier

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• 425 watts x 1 channel @ 4 ohms
• 725 watts x 1 channel @ 2 ohms
• 1000 watts x 1 channel @ 1 ohm
• Total RMS Power: 1000 watts
• Class D 2 ohms Stable Monoblock Amplifier

JL Audio RD1500/1

1500W RMS RD Series Class-D Monoblock Amplifier

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JL Audio RD1500/1

1500W RMS RD Series Class-D Monoblock Amplifier

• 750 watts x 1 channel @ 4 ohms
• 1000 watts x 1 channel @ 3 ohms
• 1500 watts x 1 channel @ 2 ohm
• 1500 watts x 1 channel @ 1 ohm
• Total RMS Power: 1500 watts
• Class D 1 ohms Stable Monoblock Amplifier

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• 750 watts x 1 channel @ 4 ohms
• 1000 watts x 1 channel @ 3 ohms
• 1500 watts x 1 channel @ 2 ohm
• 1500 watts x 1 channel @ 1 ohm
• Total RMS Power: 1500 watts
• Class D 1 ohms Stable Monoblock Amplifier

Memphis PRX1000.1V2

1000W RMS Power Reference Series Class-D Monoblock Amplifier

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Memphis PRX1000.1V2

1000W RMS Power Reference Series Class-D Monoblock Amplifier

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

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

JVC KS-DR2001D

300W RMS KS Series Class-D Marine/Powersports Monoblock Amplifier

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JVC KS-DR2001D

300W RMS KS Series Class-D Marine/Powersports Monoblock Amplifier

• 200 watts x 1 channel @ 4 ohms
• 300 watts x 1 channel @ 2 ohms
• Total RMS Power: 300 watts
• CEA-2006 Compliant
• Class D 2 ohms Stable Monoblock Amplifier

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Was $299.00 Details
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• 200 watts x 1 channel @ 4 ohms
• 300 watts x 1 channel @ 2 ohms
• Total RMS Power: 300 watts
• CEA-2006 Compliant
• Class D 2 ohms Stable Monoblock Amplifier

Hifonics A3000.1D

3000W Peak Class-D Alpha Series Monoblock Car Amplifier with Bass Remote

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Hifonics A3000.1D

3000W Peak Class-D Alpha Series Monoblock Car Amplifier with Bass Remote

• 750W Peak @ 4 ohms
• 1500W Peak @ 2 ohms
• 3000W Peak @ 1 ohm
• Class D 1 ohms Stable Monoblock Amplifier

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• 750W Peak @ 4 ohms
• 1500W Peak @ 2 ohms
• 3000W Peak @ 1 ohm
• Class D 1 ohms Stable Monoblock Amplifier

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Kicker CXA800.1 (46CXA8001)

800W RMS CX Series Class-D Monoblock Amplifier

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Kicker CXA800.1 (46CXA8001)

800W RMS CX Series Class-D Monoblock Amplifier

• 300 watts x 1 channel @ 4 ohms
• 600 watts x 1 channel @ 2 ohms
• 800 watts x 1 channel @ 1 ohm
• Total RMS Power: 800 watts
• Class D 1 ohms Stable Monoblock Amplifier

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Rockford Fosgate R2-500X1

500W RMS Prime Series Class-D Monoblock Amplifier

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Rockford Fosgate R2-500X1

500W RMS Prime Series Class-D Monoblock Amplifier

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

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

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Pioneer GM-DX871

1600W Peak (800W RMS) GM Series Class-D Monoblock Amplifier with Remote Bass Knob

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Pioneer GM-DX871

1600W Peak (800W RMS) GM Series Class-D Monoblock Amplifier with Remote Bass Knob

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

FREE Amp Kit at Checkout! Shop deal
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$139.99

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

Rockford Fosgate Power T1000-1bdCP

1000W RMS Power Series Class-BD Monoblock Amplifier

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Rockford Fosgate Power T1000-1bdCP

1000W RMS Power Series Class-BD Monoblock Amplifier

• 700 watts x 1 channel @ 4 ohms
• 1000 watts x 1 channel @ 2 ohms
• 1000 watts x 1 channel @ 1 ohm
• Total RMS Power: 1000 watts
• Class BD 1 ohms Stable Monoblock Amplifier

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DS18 SMD-3000.1D

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

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DS18 SMD-3000.1D

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

• 1300 watts x 1 channel @ 4 ohms
• 2200 watts x 1 channel @ 2 ohms
• 3000 watts x 1 channel @ 1 ohm
• Total RMS Power: 3000 watts
• Class D 1 ohms Stable Monoblock Amplifier

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$699.95

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• 1300 watts x 1 channel @ 4 ohms
• 2200 watts x 1 channel @ 2 ohms
• 3000 watts x 1 channel @ 1 ohm
• Total RMS Power: 3000 watts
• Class D 1 ohms Stable Monoblock Amplifier

JL Audio JD500/1

500W RMS JD Series Class-D Monoblock Amplifier

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JL Audio JD500/1

500W RMS JD Series Class-D Monoblock Amplifier

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

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Kicker 51KPX5001

750W Peak Class D KPX Series Monoblock Motorcycle Subwoofer Amplifier

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Kicker 51KPX5001

750W Peak Class D KPX Series Monoblock Motorcycle Subwoofer Amplifier

• 150 watts x 1 channel @ 4 ohms
• 300 watts x 1 channel @ 2 ohms
• 500 watts x 1 channel @ 1 ohm
• Total Peak Power: 750 watts
• Class D 1 ohms Stable Monoblock Amplifier

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Universal Fitment Icon Universal-fit, works with nearly all vehicles.

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• 150 watts x 1 channel @ 4 ohms
• 300 watts x 1 channel @ 2 ohms
• 500 watts x 1 channel @ 1 ohm
• Total Peak Power: 750 watts
• Class D 1 ohms Stable Monoblock Amplifier

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    FAQ for Monoblock Sub Amplifiers in 2004 Sentra

    Q: Can I upgrade or change the Monoblock Sub Amplifiers in 2004 Nissan Sentra?

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

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