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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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300W RMS, Class D Mono Block CX Series Car Amplifier

• RMS: 150W x 1 @ 4 ohms, 300W x 1 @ 2 ohms
• Total Peak Power: 600W
• CEA-2006 Compliant
• Bass Boost 0-12 dB at 40 Hz
• Vertical Mounting Option
• Dimensions: 7-3/16"W x 8-1/8"D x 2-3/8"H

Save 25% on a Complete 8 Gauge Amp Kit!

$149.95

IN STOCK

500 Watts Punch Series Boosted Rail Compact Monoblock Amplifier

• RMS 175W x 1 @ 4 ohms, 300W x 1 @ 2 ohms, 500W x 1 @ 1 ohm
• Features Rockford Fosgate's Class-BR Topology
• CEA-2006 Compliant
• Ultra Compact Chassis
• Boosted Rail Design
• Dimensions: 8.25"L x 4.25"W x 1.53"H

Save 50% on an RF Amp Kit and get an Extended Warranty!

$169.99

IN STOCK

250W RMS Monoblock Single Channel Class AB Prime Series Amplifier

• RMS: 150W x 1 @ 4 ohms, 250W x 1 @ 2 ohms
• Total RMS Power: 250W
• CEA-2006 Compliant
• Punch Bass: 0 to +12 dB
• Wired Bass Remote Included
• Dimensions: 11-1/4"L x 6-3/4"W x 2"H

Save 25% on an 8 Gauge Amp Kit with Purchase!

$119.99

IN STOCK

Only 3 Left!

1000W Max 1 Channel Monoblock Volt Series Class A/B Car Amplifier

• 250W RMS @ 4 ohms
• 355W RMS @ 2 ohms
• MOSFET Power Supply
• Variable Low-Pass Filter
• Built-In Subsonic Filter
• Variable Bass Boost
• 4-Way Protection Circuitry
• CEA-2006 Compliant

Get 20% off an NVX Universal Remote Level Control!

$119.00

IN STOCK

Only 2 Left!

250W RMS JX Series Monoblock Class A/B Subwoofer Amplifier

• Peak: 175W x 1 @ 4 ohms, 210W x 1 @ 3 ohms, 250W x 1 @ 2 ohms
• Unregulated PWM switching type power supply
• Class D Circuitry
• Bass Boost: 0-12 dB
• Speaker-level (high-level) inputs with included harness
• Dimensions: 7.68"W x 10.94"L x 2.09"H

VIP Guarantee - FREE 2-Day Shipping,
10% Rewards, Extended Warranty and more!

FREE 100% Copper, True 8 Gauge Wiring Kit wi/ Select Amps

$179.99

IN STOCK

1000W Max Monoblock MINI D Mono Compact Car Amplifier

• RMS: 180W x 1 @ 4 ohms, 360W x 1 @ 2 ohms, 600W x 1 @ 1 ohm
• Total Peak Power: 1000W
• Mini Class D Design
• Bass Boost: 0-12 dB at 50 Hz
• Wired Bass Remote Control Included
• Dimensions: 6-5/16"W x 8-1/16"L x 1-7/8"H

$142.95

IN STOCK

D-Series 250W Monoblock Class D Car Amplifier

• RMS Power: 125W x 1 @ 4 ohms, 250W x 1 @ 2 ohms
• Signal to Noise Ratio: >95dB
• CEA-2006 Compliant
• >Dimensions: 8-1/8" W x 7-3/16" D x 2-3/8" H

Save 25% on an 8 Gauge Amp Kit with Purchase!

$139.95

IN STOCK

Only 1 Left!

700W Max Monoblock Stealth Series Marine Grade Class D Amplifier

• RMS: 250 Watts x 1 @ 4 ohms
• 350 Watts x 1 @ 2 ohms
• Total Peak Power: 700 Watts
• MOSFET Power Supply w/ Audiophile Grade IRTM Transistors
• Military Grade SMT PCB Maintains Dynamic Performance
• Hybrid Aluminum Alloy Heatsink for Optimum Dissipation
• Dash Mount Gain Control Module Included

$114.99

IN STOCK

400W Peak Ultra Compact Monoblock XC Series Micro Class D Marine Amplifier

• 200 Watts RMS x 1 @ 4 ohms
• 300 Watts RMS x 1 @ 2 ohms
• Total Peak Power: 400 Watts
• CEA-2006 Compliant
• 0 to +12 dB bass boost at 50 Hz
• Nickel heat-sink for extreme heat dissipation
• 7.85"W x 3.23"L x 1.54"H

Get 20% off an NVX Universal Remote Level Control!

$124.99

IN STOCK

Audiopipe TS-PP2-12-D4 1000W 12" Car Subwoofer + Kicker CX300.1 300W RMS, Class D Monoblock Amplifier

• Peak Power: 1000W
• RMS Power: 300W
• Polypropylene Cone
• Rubber Surround
• RMS: 150W x 1 @ 4 ohms, 300W x 1 @ 2 ohms
• Total Peak Power: 600W
• CEA-2006 Compliant
• Bass Boost 0-12 dB at 40 Hz

$194.94

IN STOCK

300W Monoblock Class D Full-Range Powersports Amplifier

• 160w x 1 @ 4ohms , 220w x 1 @ 3ohms , 300w x 1 @ 2ohms
• NexD™ ultra-high-speed switching design
• Black powder-coated finish
• Gasketed cover for the controls
• Stainless steel hardware for durability
• Accepts RCA (low-level) & Speaker-level (high-level) signal
• Signal to Noise Ration: 85 dB

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FREE 100% Copper, True 8 Gauge Wiring Kit wi/ Select Amps

$206.99

IN STOCK

650W Class D Monoblock Amplifier

• RMS: 350 x 1 @ 4 ohms, 600W x 1 @ 2 ohms
• Total RMS Power: 650W
• Class D Circuitry
• Bass Boost: 0 - 12 dB at 45 Hz
• Wired Bass Remote Included
• Dimensions: 5.375"W x 10"L x 1.875"H

50% off an 8 Gauge Amp Kit with Select Amplifiers Purchase!

$149.99

IN STOCK

Only 2 Left!

List price $689.97 1200 Watt Single 12" Reference Series, Ported Loaded Enclosure + Hifonics Monoblock Class D Amplifier + Belva BAK42BL Wiring Kit

• 12" Preloaded Enclosure with Slipstream Port and 12" Reference Subwoofer
• 300 watts RMS
• 1200 watts Peak
• Polypropylene Woofer Cone
• Sensitivity: 94dB
• Frequency Response: 33Hz - 300Hz
• Variable Low Pass Filter
• Complete 4 Gauge 2-Channel Amplifier Installation Kit
• Designed Specifically For Car Audio Systems Up to 1000 Watts RMS
• Premium Power and Ground Wire Provides Optimal Power Transfer
• 30% Copper CCA Wire

$311.82

IN STOCK

500W Bomber Series Monoblock Class D Digital Amplifier

• RMS Power: 500W x 1 @ 2 ohms
• RMS Power: 300W x 1 @ 4 ohms
• Ultra Compact High Density Aluminium Alloy Chassis
• Direct FET Power Mosfet Output Stage
• Dimensions: 4.02"W x 6.99"L x 1.4"H

Save 25% on a Complete 8 Gauge Amp Kit!

$186.99

IN STOCK

Only 1 Left!

500-Watt Mono Subwoofer Amplifier

• RMS: 250W x 1 @ 4 ohms, 500W x 1 @ 2 ohms
• Total RMS power output: 500 Watts
•Weather-resistant with a conformal-coated circuit board
•Specifically designed for motorized vehicles
• No-rust, stainless-steel mounting hardware and a single Molex plug

Get 20% off an NVX Universal Remote Level Control!

$299.95

IN STOCK

Only 2 Left!

JBL MS-A5001 Monoblock Amplifier + Sony 12" GS Subwoofer w/ 3-year warranty! + FREE Box + FREE Amp Kit

• Amplifier RMS: 500 x 1 @ 4 ohms, 500W x 1 @ 2 ohms
• Total RMS Power: 500W
• CEA-2006 Compliant
• Subwoofer: Free 3-Year Warranty
• Subwoofer Peak Power: 1500W, RMS Power: 520W
• 3/4" Medium Density Fiberboard Construction
• 4 Gauge 2-Channel X-Series Complete Amplifier Installation Kit

$358.03

IN STOCK

600W RMS Monoblock GS Series Class D Subwoofer Amplifier w/ 3-year warranty & $50 Sonic Electronix Gift Card

• Free 3-Year Warranty
• 4 ohms: 330 watts x 1 chan.
• 2 ohms: 600 watts x 1 chan.
• Pulse Width Modulated MOSFET Power Supply
• Frequency response: 10-30,000 Hz
• Soft Start Turn-On
• Free $50 Sonic Electronix Gift Card

$249.99

IN STOCK

Only 2 Left!

500 Watt Element Ready Power Series Class-BR Marine Monoblock Amplifier

• RMS: 175 W x 1 @ 4 ohms, 300 W x 1 @ 2 ohms, 500 W x 1 @ 1 ohm
• CEA-2006 Compliant Amplifier

VIP Guarantee - FREE 2-Day Shipping,
10% Rewards, Extended Warranty and more!

$599.99

IN STOCK

Micro-V Series 300W RMS Monoblock Class D Compact Car Amplifier (MVPA.1)

• Incredibly Tiny! The size of a postcard!
• RMS: 200 x 1 @ 4 ohms, 300W x 1 @ 2 ohms
• Total RMS Power: 300W
• CEA-2006 Compliant
• Switchable Bass Boost: (0dB/+6dB/+12dB)
• Extremely Small Footprint
• Dimensions: 4"W x 5-7/16"L x 1-9/16"H

$159.99

OUT OF STOCK

450W RMS Single-Channel Monoblock iON Series Class D Full-Range Digital Stereo Bridgeable Amplifier

• RMS: 260 x 1 @ 4 ohms, 450W x 1 @ 2 ohms
• Total RMS Power: 450W
• Class D Circuitry
• Bass Boost: 0 - 12 dB at 45 Hz
• Wired Bass Remote Included
• Dimensions: 5-5/16"W x 8"L x 1-11/16"H

$94.99

OUT OF 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.