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2003 Toyota Corolla

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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 2003 Toyota Corolla

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.
Power Series (17)
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Prime Series (14)
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CVP Series (7)
SALT Series (7)
Brutus BRL Series (6)
Competition Series (6)
CX Series (6)
Godfather Series (6)
Hooligan Series (6)
JD Series (6)
RD Series (6)
Reference Series (6)
SIA Series (6)
SMD Series (6)
Stroker Pro Series (6)
V Series (6)
XDM Series (6)
Club Series (5)
Epic Series (5)
HD Series (5)
SAE Series (5)
Stroker RPM Series (5)
XQ Series (5)
Brutus BG Series (4)
EXL-P Series (4)
LX Series (4)
MA Series (4)
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Power Pack Series (4)
RS Series (4)
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CRA Series (3)
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iON Series (3)
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S Series (2)
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VFL Comp Series (2)
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VFL Stealth Series (2)
Alpha Series (1)
AP Series (1)
Colossus Classic Series (1)
COLOSSUS Series (1)
Compact Mean Machine Series (1)
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Discus Series (1)
DPower Series (1)
DRVN Series (1)
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EV Series (1)
Excelon Motorsports Series (1)
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Gen-X (1)
GM Digital Series (1)
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Key Series (1)
KM Series (1)
KPX Series (1)
KXM Series (1)
LC Series (1)
M Series (1)
M5 Series (1)
Marine Series (1)
MDX Series (1)
Mean Machine Series (1)
MHD Series (1)
Micro8U Series (1)
MicroV2 Series (1)
MINI BANG Series (1)
MOJO Pro Series (1)
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N Series (1)
Performance Series (1)
Picasso-Nano Series (1)
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PS Series (1)
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Stage GT Series (1)
Status Series (1)
Stealth Bomber Series (1)
Street Reference (1)
Venezia Series (1)
Warhorse Series (1)
X Series (1)
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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DS18 SXE-2500.1D/BK (Black) with Belva 4 Gauge Amp Kit

2500W Peak (800W RMS) Class D SXE Series Monoblock Car Amplifier with Bass Remote

SXE25001DBK_BAK42 big
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DS18 SXE-2500.1D/BK (Black) with Belva 4 Gauge Amp Kit

2500W Peak (800W RMS) Class D SXE Series Monoblock Car Amplifier with Bass Remote

• 300 watts x 1 channel @ 4 ohm
• 600 watts x 1 channel @ 2 ohm
• 800 watts x 1 channel @ 1 ohm
• Total RMS Power: 800 watts
• Class D 1 ohm Stable Monoblock Amplifier (Black)
• Includes Amplifier Wiring Kit

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-12% $264.44

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• 300 watts x 1 channel @ 4 ohm
• 600 watts x 1 channel @ 2 ohm
• 800 watts x 1 channel @ 1 ohm
• Total RMS Power: 800 watts
• Class D 1 ohm Stable Monoblock Amplifier (Black)
• Includes Amplifier Wiring Kit

Rockford Fosgate R2-500X1(Open Box, Great)

500W RMS Class D Prime Series Monoblock Car Amplifier

R2-500X1 big
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Rockford Fosgate R2-500X1(Open Box, Great)

500W RMS Class D Prime Series Monoblock Car Amplifier

• 300 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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List price $309.99
-15% $263.49

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Rockford Fosgate Punch PM500X1bd with Amplifier Wiring Kit

500W Punch Series Class-bd Monoblock Marine Amplifier

PM500X1bd, XKIT42 big
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Rockford Fosgate Punch PM500X1bd with Amplifier Wiring Kit

500W Punch Series Class-bd Monoblock Marine Amplifier

• RMS: 150W x 1 @ 4 ohm, 300W x 1 @ 2 ohm, 500W x 1 @ 1 ohm
• CEA-2006 Compliant
• Features C.L.E.A.N. Set-up
• Protected against Dust, UV, & Corrosion
• Marine grade two part epoxy coating on circuit boards

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• RMS: 150W x 1 @ 4 ohm, 300W x 1 @ 2 ohm, 500W x 1 @ 1 ohm
• CEA-2006 Compliant
• Features C.L.E.A.N. Set-up
• Protected against Dust, UV, & Corrosion
• Marine grade two part epoxy coating on circuit boards

Rockford Fosgate Power T1000-1bdCP (Open Box, Great)

1000W RMS Class BD Power Series Monoblock Car Amplifier

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Rockford Fosgate Power T1000-1bdCP (Open Box, Great)

1000W RMS Class BD Power Series Monoblock Car Amplifier

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

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DS18 EXL-P2000X1D with Belva 4 Gauge Amp Kit

2000W RMS EXL Power Series Class-D Monoblock Amplifier with Bass Remote

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DS18 EXL-P2000X1D with Belva 4 Gauge Amp Kit

2000W RMS EXL Power Series Class-D Monoblock Amplifier with Bass Remote

• 800 watts x 1 channel @ 4 ohm
• 1400 watts x 1 channel @ 2 ohm
• 2000 watts x 1 channel @ 1 ohm
• Total RMS Power: 2000 watts
• Class D 1 Ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

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• 800 watts x 1 channel @ 4 ohm
• 1400 watts x 1 channel @ 2 ohm
• 2000 watts x 1 channel @ 1 ohm
• Total RMS Power: 2000 watts
• Class D 1 Ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

Kenwood eXcelon XM502-1 with Amplifier Wiring Kit

1000W Peak (500W RMS) Class D Monoblock Car Audio Amplifier

XM502-1, BAK82 big
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Kenwood eXcelon XM502-1 with Amplifier Wiring Kit

1000W Peak (500W RMS) Class D Monoblock Car Audio Amplifier

• 300 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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List price $499.99
-37% $316.49

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• 300 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

Kenwood eXcelon XM502-1 with NVX 8 Gauge Amp Kit

500W RMS XR Series Class-D Monoblock Marine Amplifier

XM5021_XKIT82 big
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Kenwood eXcelon XM502-1 with NVX 8 Gauge Amp Kit

500W RMS XR Series Class-D Monoblock Marine Amplifier

• 300 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
• Includes Amplifier Wiring Kit

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60
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-35% $354.99

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• 300 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
• Includes Amplifier Wiring Kit

JL Audio HD1200/1 (Open Box, Great)

1200W RMS Class D HD Series Monoblock Car Amplifier

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JL Audio HD1200/1 (Open Box, Great)

1200W RMS Class D HD Series Monoblock Car Amplifier

• 1200 watts x 1 channel @ 4 ohm
• 1200 watts x 1 channel @ 2 ohm
• Total RMS Power: 1200 watts
• Class D 1.5 ohm Stable Monoblock Amplifier

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11
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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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31
List price $1449.99
-15% $1,232.49

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Diamond Audio DES500.1D with NVX 4 Gauge Amp Kit

500W RMS DES Series Class-D 1-Channel Full Range Amplifier

DES5001D_XKIT42 big
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Diamond Audio DES500.1D with NVX 4 Gauge Amp Kit

500W RMS DES Series Class-D 1-Channel Full Range Amplifier

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

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

Rockford Fosgate PM1000X1bd with Amplifier Wiring Kit

1000W Punch Series Class-bd Monoblock Marine Amplifier

PM1000X1bd, XKIT42 big
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Rockford Fosgate PM1000X1bd with Amplifier Wiring Kit

1000W Punch Series Class-bd Monoblock Marine Amplifier

• RMS: 300W x 1 @ 4 ohm, 500W x 1 @ 2 ohm, 1000W x 1 @ 1 ohm
• CEA-2006 Compliant
• Features C.L.E.A.N. Set-up
• Protected against Dust, UV, & Corrosion
• Marine grade two part epoxy coating on circuit boards

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124
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• RMS: 300W x 1 @ 4 ohm, 500W x 1 @ 2 ohm, 1000W x 1 @ 1 ohm
• CEA-2006 Compliant
• Features C.L.E.A.N. Set-up
• Protected against Dust, UV, & Corrosion
• Marine grade two part epoxy coating on circuit boards

Belva BXD4K with Amplifier Wiring Kit

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

BXD4K, BAK42BL big
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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

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DS18 EXL-P4000X1D + Premium NVX XKIT02 1/0 Gauge Amp Kit

4000W RMS EXL Power Series Class D Monoblock Amplifier with Bass Remote

EXL-P4000X1D, XKIT02 big Out of stock
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DS18 EXL-P4000X1D + Premium NVX XKIT02 1/0 Gauge Amp Kit

4000W RMS EXL Power Series Class D Monoblock Amplifier with Bass Remote

• 1600 watts x 1 channel @ 4 ohm
• 2600 watts x 1 channel @ 2 ohm
• 4000 watts x 1 channel @ 1 ohm
• Total RMS Power: 4000 watts
• Class D 1 ohm Stable Monoblock Amplifier

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-11% $829.92
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• 1600 watts x 1 channel @ 4 ohm
• 2600 watts x 1 channel @ 2 ohm
• 4000 watts x 1 channel @ 1 ohm
• Total RMS Power: 4000 watts
• Class D 1 ohm Stable Monoblock Amplifier

Audio Control ACX-300.1 + NVX XKIT82 8 Gauge Amp Wiring Kit

ACX Series All-Weather 300W Monoblock Audio Marine Amplifier

ACX-300.1, XKIT82 big
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Audio Control ACX-300.1 + NVX XKIT82 8 Gauge Amp Wiring Kit

ACX Series All-Weather 300W Monoblock Audio Marine Amplifier

• 175 Watts RMS x 1 @ 4 ohm
• 300 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 600 Watts
• CEA-2006 Compliant
• AccuBASS®

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• 175 Watts RMS x 1 @ 4 ohm
• 300 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 600 Watts
• CEA-2006 Compliant
• AccuBASS®

Cerwin-Vega XED3001D with NVX 4 Gauge Amp Kit

400W Peak (300W RMS) XED Series Class-D Mono Channel Amplifier

XED3001D, XKIT42 big
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Cerwin-Vega XED3001D with NVX 4 Gauge Amp Kit

400W Peak (300W RMS) XED Series Class-D Mono Channel Amplifier

• 200 watts x 1 channel @ 4 ohm
• 300 watts x 1 channel @ 2 ohm
• Total RMS Power: 300 watts
• Class D Stable Monoblock Amplifier
• Includes NVX XKIT42 4 Gauge Amp Wiring Kit

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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 Stable Monoblock Amplifier
• Includes NVX XKIT42 4 Gauge Amp Wiring Kit

Alpine HDA-M80 with NVX 4 Gauge Amp Kit

800W RMS Status Series Class-D Monoblock Car Amplifier

HDA-M80, XKIT42 big
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Alpine HDA-M80 with NVX 4 Gauge Amp Kit

800W RMS Status Series Class-D Monoblock Car Amplifier

• Peak RMS Power: Up to 800W
• Total RMS Power: 400 watts
• Quick-connect speaker and power connectors
• Class D 2 ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

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• Peak RMS Power: Up to 800W
• Total RMS Power: 400 watts
• Quick-connect speaker and power connectors
• Class D 2 ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

American Bass XFL DC 2000 with Belva 4 Gauge Amp Kit

2000W Peak (1000W RMS) XFL Series Class-D Monoblock Amplifier

XFLDC2000_BAK82 big
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American Bass XFL DC 2000 with Belva 4 Gauge Amp Kit

2000W Peak (1000W RMS) XFL Series Class-D Monoblock Amplifier

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

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

AudioControl ACX-300.1 with Belva 8 Gauge Amp Kit

ACX Series All-Weather 300W Monoblock Audio Marine Amplifier

ACX3001_BAK82 big
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AudioControl ACX-300.1 with Belva 8 Gauge Amp Kit

ACX Series All-Weather 300W Monoblock Audio Marine Amplifier

• 175 Watts RMS x 1 @ 4 ohm
• 300 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 600 Watts
• CEA-2006 Compliant
• AccuBASS®
• Includes Amplifier Wiring Kit

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97
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• 175 Watts RMS x 1 @ 4 ohm
• 300 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 600 Watts
• CEA-2006 Compliant
• AccuBASS®
• Includes Amplifier Wiring Kit

DC Audio 9.0k with NVX 1/0 Gauge Amp Kit

9000W Competition Series Class D Monoblock Amplifier

90K_XKIT02 big Out of stock
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DC Audio 9.0k with NVX 1/0 Gauge Amp Kit

9000W Competition Series Class D Monoblock Amplifier

• RMS Power: 2400W x 1 @ 4 ohm, 4800W x 1 @ 2 ohm, 9000W x 1 @ 1 ohm
• Strappable for Up to 18,000W of Power
• Variable Low Pass Filter

• Includes Amplifier Wiring Kit

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List price $2999.99
-16% $2,529.99
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• RMS Power: 2400W x 1 @ 4 ohm, 4800W x 1 @ 2 ohm, 9000W x 1 @ 1 ohm
• Strappable for Up to 18,000W of Power
• Variable Low Pass Filter

• Includes Amplifier Wiring Kit

DC Audio 10.0k with NVX 1/0 Gauge Amp Kit

10,000W Competition Series 1-Ohm Stable Class-D Monoblock Amplifier

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DC Audio 10.0k with NVX 1/0 Gauge Amp Kit

10,000W Competition Series 1-Ohm Stable Class-D Monoblock Amplifier

• RMS Power: 3000W x 1 @ 4 ohm, 5500W x 1 @ 2 ohm, 10,000W x 1 @ 1 ohm
• Strappable for Up to 20,000W of Power
• Variable Low Pass Filter
• Dimensions: 11.5" W x 37" L x 2.6" H
• Includes Amplifier Wiring Kit

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

45
List price $3109.99
-15% $2,639.99
Add to Cart

• RMS Power: 3000W x 1 @ 4 ohm, 5500W x 1 @ 2 ohm, 10,000W x 1 @ 1 ohm
• Strappable for Up to 20,000W of Power
• Variable Low Pass Filter
• Dimensions: 11.5" W x 37" L x 2.6" H
• Includes Amplifier Wiring Kit

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    FAQ for Monoblock Sub Amplifiers in 2003 Corolla

    Q: Can I upgrade or change the Monoblock Sub Amplifiers in 2003 Toyota Corolla?

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