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Amp up your factory system with quality car amplifiers. Find a large selection of monoblock amps including Class D, mini amps, micro amps and other car amps for subwoofers. Shop now!
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1000 Watt RMS Class D Monoblock HFi Series 1-Ohm Stable Subwoofer Amplifier

• 4 ohms: 475 watts x 1 chan.
• 2 ohms: 750 watts x 1 chan.
• 1 ohms: 1000 watts x 1 chan.
• Wired HFR-3 remote bass level control included
• Preamp RCA outputs to daisy chain multiple amps
• Frequency Response: 15 - 250 Hz
• Signal to Noise Ration: >95 dB
• Variable low-pass filter: 30 - 250 Hz, 24 dB/octave

Limited Offer: 10% off a Belva Wiring + Capacitor Kit!

$149.99

IN STOCK

2400W Hercules 35th Anniversary Edition Super Class-D 1-Ohm Stable H35 2400.1D Monoblock Amplifier

• 600 Watts x 1 @ 4 ohms
• 1200 Watts x 1 @ 2 ohms
• 2400 Watts x 1 @ 1 ohm
• Twin Turbo Coil PS Pulse Width Modulated MOSFET power supply
• Ultra-Fi output devices

Save 50% on an OFC Amplifier Installation Kit with Purchase!

$249.00

IN STOCK

1500 Watt RMS Class D Monoblock HFi Series 1-Ohm Stable Subwoofer Amplifier (HFi 1500D)

• 4 ohms: 500 watts x 1 chan.
• 2 ohms: 1000 watts x 1 chan.
• 1 ohms: 1500 watts x 1 chan.
• Wired remote bass level control included
• Preamp RCA outputs to daisy chain multiple amps
• 3-way protection circuitry (thermal, overload, and speaker short protection)
• Dual speaker terminals simplify the hookup of multiple speakers
• Signal to Noise Ration: >95 dB

Limited Offer: 10% off a Belva Wiring + Capacitor Kit!

$169.99

IN STOCK

1200W Max Zeus Series 1-Ohm Stable Class D Monoblock Amplifier

• Peak: 400W x 1 @ 4 ohms, 600W x 1 @ 2 ohms, 1200W x 1 @ 1 ohm
• Total Peak Power: 1200W
• Class D Circuitry
• Variable Bass Boost: 0 to +10 dB at 45 Hz
• Wired Bass Remote Included
• Dimensions: 12"L x 10"W x 2-7/16"H

Save 50% on a 4 Gauge Amp Kit with Purchase!

$113.95

IN STOCK

1200W RMS Prime Series Class-D Monoblock 1-Ohm Stable Amplifier

• RMS: 400W x 1 @ 4 ohms, 800W x 1 @ 2 ohms, 1200W x 1 @ 1 ohm
• Total RMS Power: 1200W
• CEA-2006 Compliant
• Tuned Bass EQ: 0 to +18 dB
• Class D Circuitry
• Dimensions: 6-3/4"L x 11-1/16"W x 2"H

Get 10% off a Rockford Fosgate Hybrid 1.0 Farad Capacitor!

$299.99

IN STOCK

800W RMS Class D Monoblock GM Digital Series Amplifier

• RMS: 300W x 1 @ 4 ohms, 500W x 1 @ 2 ohms, 800W x 1 @ 1 ohm
• Total Peak Power: 1500W
• CEA-2006 Compliant
• Variable Bass Boost: 0 to +18 dB
• Class D Circuitry
• Dimensions: 10-7/16"W x 2-3/8"D x 7-7/8"H

Save 25% on a 4 Gauge Amp Kit with Purchase!

$134.99

IN STOCK

1600W RMS Class NextGen Super-D Monoblock Brutus Series Amplifier

• RMS: 600W x 1 @ 4 ohms, 1200W x 1 @ 2 ohms, 1600W x 1 @ 1 ohm
• Total RMS Power: 1600W
• CEA-2006 Compliant
• Bass Boost: 0-10 dB at 40 Hz
• Aluminum Alloy Heatsink with Illuminated Hifonics Logo
• Dimensions: 15-15/16"L x 10-5/16"W x 2-1/2"H

$229.99

IN STOCK

1000W RMS Phantom Series Class D Full Range Monoblock Amplifier

• RMS: 580W x 1 @ 4 ohms, 725W x 1 @ 2 ohms 1000W x 1 @ 1 ohm
• Total RMS Power: 1000W
• Wired Bass Remote Included
• Bass Boost: 0-12 dB
• 1 Pair of Preamp Outputs
• Dimensions: 12-15/16" L x 6-3/4" W x 2" H

Save 25% on a 4 Gauge Amp Kit with Purchase!

$161.97

IN STOCK

(2) RE Audio SEXv2-12D4 12" SE-X v2 Series Dual 4 ohm Subwoofer + Hifonics HFi1500D 1500W RMS Class D Monoblock HFi Series Amplifier

• 1 ohms: 1500 watts x 1 chan.
• Rubatek Foam Surround
• Dual Composite 2-Piece Cone
• Tork-Tite Terminals
• Progressive Spiders
• Double Stacked Magnets
• Wired remote bass level control included
• Preamp RCA outputs to daisy chain multiple amps
• 3-way protection circuitry (thermal, overload, and speaker short protection)
• Dual speaker terminals simplify the hookup of multiple speakers
• Signal to Noise Ration: >95 dB

$569.97

IN STOCK

Only 2 Left!

2000W Max Monoblock ARMOR Series Class A/B Car Amplifier

• RMS: 1000W x 1 @ 4 ohms
• Peak: 2000W x 1 @ 2 ohms
• Wired Bass Remote Included
• Bass Boost 0-18 dB
• Heavy Duty Aluminum Alloy Heatsink
• Dimensions: 13-1/3"W x 5"D x 2-8/10"H

Save 25% on a 4 Gauge Amp Kit with Purchase!

$72.99

IN STOCK

3000W Max Monoblock ARMOR Series Class D Car Amplifier

• RMS: 1200W x 1 @ 4 ohms
• Peak: 2200W x 1 @ 2 ohms, 3000W x 1 @ 1 ohm
• Strappable Peak: 6000W x 1 @ 2 ohms
• Bass Boost 0-12 dB
• Heavy Duty Aluminum Alloy Heatsink
• Dimensions: 12-1/3"W x 5"D x 2-8/10"H

Save 25% on a 4 Gauge Amp Kit with Purchase!

$90.97

IN STOCK

1200 Watt Monoblock Zeus Series Class D 1-Ohm Stable Subwoofer Amplifier - (Zeus 1200 Watt)

• Max Power: 400W x 1 @ 4 ohms, 600W x 1 @ 2 ohms, 1200W x 1 @ 1 ohm
• Total Peak Power: 1200W
• Variable Low Pass Filter
• Dimensions: 10" W x 12.6" L x 2.4" H

Limited Offer: 10% off a Belva Wiring + Capacitor Kit!

$125.97

IN STOCK

1800W Max Monoblock Class D Zeus Series Car Amplifier

• Peak: 500W x 1 @ 4 ohms, 900W x 1 @ 2 ohms, 1800W x 1 @ 1 ohm
• Total Peak Power: 1800W
• Class D Circuitry
• Variable Bass Boost: 0 to +10 dB at 50 Hz
• Wired Bass Remote Included
• Dimensions: 14-13/16"L x 10"W x 2-1/3"H

25% off a 1/0 Gauge Amp Kit with Select Amplifiers Purchase!

$169.99

IN STOCK

1500 Watt Monoblock Brutus Series Super Class D 1-Ohm Stable Subwoofer Amplifier - (Brutus 1500 Watt)

• RMS Power: 550W x 1 @ 4 ohms, 900W x 1 @ 2 ohms, 1500W x 1 @ 1 ohm
• Total Peak Power: 1500W
• Wired remote bass level control included
• Heavy duty aluminum alloy heat-sink with illuminated Hifonics logo
• 1-Ohm Stable operation
• Variable Bass Boost: 0 to +10 dB
• Variable Low Pass Filter
• Dimensions: 9.8" W x 12.5" L x 2.4" H

$174.99

IN STOCK

3000W Max (1800W RMS) Class AB Monoblock BB Series Car Amplifier

• RMS: 780W x 1 @ 4 ohms, 1260W x 1 @ 2 ohms, 1800W x 1 @ 1 ohm
• Total Peak Power: 3000W
• 1 Pair of Preamp Outputs
• Bass Boost 0-12 dB from 30-80 Hz
• Subsonic Filter from 20-50 Hz
• Dimensions: 13-3/4"W x 8-1/4"D x 2-1/4"H

Save 10% on a 4 Gauge Installation Kit with Purchase!

$149.99

IN STOCK

1200W RMS Brutus Series 1-Channel Monoblock Super Class D Amplifier (BRZ 1200.1D)

• 1200W x 1-Chan. @ 1 Ohm
• 900W x 1-Chan. @ 2 Ohm
• 450W x 1-Chan. @ 4 Ohm
• Wired HFR-3 Remote
• 4-Way System Protection
• Phase Shift
• Silver-Plated RCA Inputs

$209.99

IN STOCK

1500W Monoblock Ground Pounder Series Class A/B Amplifier

• RMS Power: 750W x 1 @ 4 ohms, 1500W x 1 @ 2 ohms
• Total Peak Power: 1500W
• Variable Bass Boost
• Speaker Level Inputs
• 9.05"W x 14.72"L x 2.29"H

50% off a 1/0 Gauge Amp Kit with Select Amplifiers Purchase!

$74.99

IN STOCK

Only 3 Left!

1800 Watt Monoblock Zeus Series Class D 1-Ohm Stable Subwoofer Amplifier - (Zeus 1800 Watt)

• RMS Power: 500W x 1 @ 4 ohms, 900W x 1 @ 2 ohms, 1800W x 1 @ 1 ohm
• Total Peak Power: 1800W
• Variable Low Pass Filter
• Dimensions: 10" W x 15.7" L x 2.4" H

Limited Offer: 10% off a Belva Wiring + Capacitor Kit!

$154.99

IN STOCK

Only 2 Left!

True 750W RMS Monoblock Class D Amplifier Specifically made for BD Series

• True RMS Power: 450W x 1 @ 4 ohms, 750W x 1 @ 2 ohms
• CEA-2006 Compliant
• Dimensions: 7" W x 9.75" L x 2" H

50% off a True 4 Gauge OFC Amp Kit with NVX Amp Purchase!

$169.99

IN STOCK

2000W Max (1200W RMS) Class AB Monoblock BB Series Version 2 Car Amplifier

• RMS: 540W x 1 @ 4 ohms, 900W x 1 @ 2 ohms, 1200W x 1 @ 1 ohm
• Total Peak Power: 2000W
• 1 Pair of Preamp Outputs
• Bass Boost 0-12 dB at 30 - 80 Hz
• Subsonic Filter From Off - 50 Hz
• Dimensions: 12-1/2"W x 8-1/4"D x 2-1/4"H

Save 10% on a 4 Gauge Installation Kit with Purchase!

$129.99

IN STOCK

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Related Categories

Amplifier Wiring Kits
Get all the cables, wires, and hardware you need to install your new car audio amplifier with one of these power amp kits. Amplifier wiring kits come with your basic power and ground cables, as well as other necessary wires. Select complete amplifier kits will include speaker wire, RCA interconnect cables, and more! To make sure you get the kit that is best designed for your car audio system, scroll down to the bottom of this page for the buying guide.
Capacitors
Car audio capacitors are a great addition to any aftermarket audio system that is in need of a little extra power. Capacitors store a temporary electrical charge that can be released during periods of extra power strain. If a vehicle has dimming headlights when music is played, a capacitor could solve that problem.
Sound Processors
For those who want the most out their car audio system, a quality sound processor is a must. After some slight adjustments, your systems will sound like it has been professionally tuned and optimized. Tune your system to perfection with these crossovers, equalizers, and bass drivers. Click here to learn more about digital sound processors and to find out which type would be best for your car audio system.

Monoblock Amplifiers Information

Mono Subwoofer Amplifiers

Mono amplifiers are single channel amps, but they can be used to power more than one subwoofer. Mono amps typically produce more power than multi-channel amps, which makes them ideal for powering subwoofers. Class D mono amps are the most efficient of all amplifier designs because they draw less current and as a result generate less heat in comparison to the classic mono amplifier design.

A mono amplifier puts out only one channel of sound, as opposed to a stereo amp that puts out two channels of sound. A mono amp is generally used for extremely low frequencies, such as bass, that are channeled into a single subwoofer. It doesn't matter that both stereo channels are combined for these low bass frequencies because you couldn't tell which channel the sounds are coming from anyway because you feel the sound pressure more than hear the sound.