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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!

List price $779.94: Alpine SWR-12D4 12" Type-R Series Dual 4-ohm Subwoofer + Hifonics HFi1000.1D Class D Monoblock HFi Series Amplifier

• Wired HFR-3 remote bass level control included
• Reinforced parabolic cone structure
• Durable High Amplitude Multi-Roll santoprene surround
• Cast aluminum frame with integral shorting sleeve
• High-grade strontium ferrite segmented magnet assembly
• Integrated 8 AWG push terminals with VC jumpers
• 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

$279.16

OUT OF STOCK

1000W Max, Monoblock Gothic Series Class AB Car Amplifier

• RMS: 375W x 1 @ 4 ohms, 470W x 1 @ 2 ohms
• Total Peak Power: 1000W
• 1 Pair of Preamp Outputs
• Bass Boost: 0-18 dB
• Low Pass Filter: 40-150 Hz
• Dimensions: 9"L x 9-3/4"W x 2-3/10"H

$77.99

OUT OF STOCK

1300W Black Ice Series Class D Monoblock Car Amplifier

• RMS Power: 300W x 1 @ 4 ohms, 450W x 1 @ 2 ohms, 650W x 1 @ 1 ohm
• Total Peak Power: 1300W
• Variable High and Low Level Crossovers
• Built-In Bass Boost Bass Boost9

$97.99

OUT OF STOCK

650W Monoblock Picasso Nano Class-D Amplifier

• RMS Power: 400W x 1 @ 4 ohms, 650W x 1 @ 2 ohms
• Total Peak Power: 650W
• Dash Mount Remote Bass Level Control Included
• Dimensions: 4.75"W x 9"L x 2"H

$99.99

OUT OF STOCK

750W RMS, Monoblock Class D, HD Series Small Profile Car Amplifier with R.I.P.S. Technology

• RMS: 750W x 1 @ 4 ohms, 750W x 1 @ 2 ohms, 750W x 1 @ 1 ohm
• Total RMS Power: 750W
• R.I.P.S. - Regulated, Intelligent Power Supply
• Single Cycle control - High Fidelity Class D
• 1 Pair of Buffered Preamps RCA Outputs
• Dimensions: 10.74"L x 7.85"W x 1.93"H

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$629.96

OUT OF STOCK

1400W Monoblock SA Series Class D Amplifier

• RMS Power: 200W x 1 @ 4 ohms, 300W x 1 @ 2 ohms, 700W x 1 @ 1 ohm
• Total Peak Power: 1400W
• Variable Low Pass Filter
• Dimensions: 4.72" W x 9.05" L x 1.57" H

$159.99

OUT OF STOCK

500W RMS Monoblock eXcelon Series Class D Digital Power Amplifier

• 4 ohms: 300 watts x 1 chan. • 2 ohms: 500 watts x 1 chan. • Max power output: 1000 watts x 1 chan. • • Mono Channel Operation

$149.99

OUT OF STOCK

1500W RMS Constant Power Series Class BD Monoblock Amplifier

• RMS: 1000W x 1 @ 4 ohms, 1500W x 1 @ 2 ohms, 1500W x 1 @ 1 ohm
• Total RMS Power: 1500W
• CEA-2006 Compliant
• Variable Bass Boost: 0 to +18 dB at 45 Hz
• Ultra Efficient Class bD Circuitry
• Dimensions: 14-15/16"L x 8-3/16"W x 2-3/16"H

$799.99

OUT OF STOCK

600W XDv2 Series Monoblock Class D Subwoofer Amplifier with High-Speed NexD Switching Design

• RMS: 400 W x 1 @ 4 ohms, 500 W x 1 @ 3 ohms, 600 W x 1 @ 2 ohm
• NexD Switching Technology
• Dual-Range Differential Balanced Input Section
• Advanced Rollback Protection
• Selectable Low-Pass Filter Slope: 12 dB or 24 dB
• Detented, Calibrated Filter Freq. Potentiometer

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$386.99

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800W Monoblock Q Series Class A/B Car Amplifier

• RMS: 300W x 1 @ 4 ohms, 400W x 1 @ 2 ohms
• Total Peak Power: 800W
• High Speed MosFET Power Supply
• 16V Capable Power Supplies
• 24dB Crossover Circuitry
• BiPolar Professional Audio Grade Output Transistors
• 10.9" L x 7.9" W x 2.4 H

$78.95

OUT OF STOCK

600W RMS PDX Series Monoblock Power Density Class D Digital Car Amplifier

• RMS: 600W x 1 @ 4 ohms, 600W x 1 @ 2 ohms
• Total RMS Power: 600W
• CEA-2006 Compliant
• 6-Layer Glass Epoxy PC Board and Compact Size
• Thermal Protection Circuitry
• Dimensions: 7-9/16"D x 10-1/8"W x 2"H

$349.99

OUT OF STOCK

1200W Monoblock Q Series Class A/B Car Amplifier

• RMS: 400W x 1 @ 4 ohms, 600W x 1 @ 2 ohms
• Total Peak Power: 1200W
• High Speed MosFET Power Supply
• 16V Capable Power Supplies
• 24dB Crossover Circuitry
• BiPolar Professional Audio Grade Output Transistors
• 13.7" L x 7.9" W x 2.4 H

$103.97

OUT OF STOCK

500W Monoblock Digital Compact Series Class D Car Amplifier (Made in Korea)

• RMS: 300W x 1 @ 2 ohms, 500W x 1 @ 1 ohms
• Total Peak Power: 1200W
• Pulse Width Modulated MOSFET Power Supply
• Variable Bass Boost With Remote Control
• 4-Way Protection Circuitry
• Dimensions: 4.7"W x 7.9"L x 1.6"H

$99.95

OUT OF STOCK

500W RMS Constant Power Series Class BD Monoblock Amplifier

• RMS: 300W x 1 @ 4 ohms, 500W x 1 @ 2 ohms, 500W x 1 @ 1 ohm
• Dynamic Power Output: 690W
• CEA-2006 Compliant
• Variable Bass Boost: 0 to +18 dB at 45 Hz
• Ultra Efficient Class bD Circuitry
• Dimensions: 11-7/16"L x 8-3/16"W x 2-3/16"H

$499.99

OUT OF STOCK

(2) Alpine SWS-10D2 Type-S 10" Subwoofer + NVX BDA7501 Monoblock Class D Amplifier + 100% OFC Amp Wiring Kit

• 450W x 1 @ 4 ohms
• Dual 2-Ohm Voice Coil
• Kevlar Treated Pulp Cone
• Durable HAMR Santopreneā„¢ Surround
• CEA-2006 Compliant
• Dimensions: 7" W x 9.75" L x 2" H
• Silver-Tinned 100% Virgin Copper
• 2-channel RCA Interconnect Cable

$418.19

OUT OF STOCK

P.12D2 12" Power Class Dual Voice Coil Subwoofer + PPI BA1300.1D 1300W Black Ice Series Class D Monoblock Car Amplifier + 4-Gauge Wiring Kit

• 650W x 1 @ 1 ohm
• Total Peak Power: 1300W
• Composite Blend Fiber/Pulp Cone
• Inverted Rubber Surround
• 8-Gauge Compression Terminals
• 170oz. Magnet
• Variable High and Low Level Crossovers
• Built-In Bass Boost Bass Boost

$245.99

OUT OF STOCK

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.