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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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(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

$559.97

OUT OF STOCK

3000 Watt Monoblock Brutus Series Super Class D 1-Ohm Stable Subwoofer Amplifier - (Brutus 3000 Watt)

• 1000 Watts RMS x 1 @ 4 ohms
• 2000 Watts RMS x 1 @ 2 ohms
• 3000 Watts RMS x 1 @ 1 ohm
• Wired remote bass level control included
• Mono channel operation, 1-Ohm Stable
• 3-way system protection circuitry (thermal, overload and speaker short protection)
• Variable Bass Boost (0 to +10 dB bass boost at 45 Hz)

$319.99

OUT OF STOCK

4000W Max Big Bang Series Monoblock Digital Class D Car Amplifier

• Peak: 1500W x 1 @ 4 ohms, 2000W x 1 @ 2 ohms, 4000W x 1 @ 1 ohm
• Total Peak Power: 4000W
• Class D Circuitry
• Bass Boost: 0-18 dB
• 1 Pair of Preamp Outputs
• Dimensions: 17.125"W x 6.99"L x 2.438"H

$227.97

OUT OF STOCK

4000W Monoblock Phantom Series Class D Amplifier

• RMS: 1000W x 1 @ 4 ohms
• Total Peak Power: 4000W
• Gold-plated RCA low level and high level inputs
• 3-way protection circuitry (thermal, overload, and speaker short protection)
• Wired remote bass level control included
• 10.31" W x 15.00" L x 2.25" H

$143.99

OUT OF STOCK

2000W Monoblock Powerzone Series Class AB Car Amplifier

• RMS Power: 500W x 1 @ 4 ohms, 1000W x 1 @ 2 ohms, 2000W x 1 @ 1 ohm
• Total Peak Power: 2000W
• Rugged MOSFET Pulse Width Modulation Power Supply

$128.97

OUT OF STOCK

Rockford Fosgate Punch P1S2-12 12" Punch Single 2-ohm Subwoofer + Hifonics HFi1500D Class D Monoblock HFi Series Amplifier (HFi 1500D)

• 4 ohms: 500 watts x 1 chan.
• Kevlar Reinforced Paper Cone
• High Density NBR Half-Roll Surround
• 2" 4-Layer Voice Coil
• 10 AWG Nickel Plated Compression Input Push Terminals
• 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

$309.93

OUT OF STOCK

Kicker 40CWS122 (CompS122) 12" Comp S-Series Single 2-Ohm Subwoofer + Hifonics HFi1500D Class D Monoblock HFi Series Amplifier (HFi 1500D)

• 4 ohms: 500 watts x 1 chan.
• Injection-Molded Polypropylene Cone
• Ribbed Polyurethane Surround
• Large-Diameter Spider
• High-Strength Spiralead Tinsel Leads
• 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

$319.99

OUT OF STOCK

Boss PD3000 Monoblock Phantom Series Class D Amplifier + Planet Audio AC12D 12" Anarchy Series Car Subwoofer + Amp Wiring Kit

Total Peak Power: 3000W
• Gold-plated RCA low level and high level inputs
• 3-way protection circuitry (thermal, overload, and speaker short protection)
• Wired remote bass level control included

$235.67

OUT OF STOCK

Two XX12 V2D4 1500W 12" XX Series Subs + BB5000Dv2 3000W RMS Monoblock BB Series Amp + BAK02BL Complete 0/1 Gauge Amp Wiring Kit

• 1500W 12" XX Series Dual 4 Ohm Subwoofer
• 3000W RMS Class D Monoblock BB Series Car Amplifier
• Complete 0/1 Gauge Amplifier Wiring Kit with RCA Interconnects (CCA Wiring)

$1,274.99

OUT OF STOCK

NVX VCW104 10" VC-Series Dual 4-ohm Car Subwoofer + Hifonics HFi1000.1D Class D Monoblock HFi Series Amplifier

• 2 ohms: 750 watts x 1 chan.
• Woven Fiber Pressed Paper Cone
• Custom High Roll Foam Surround With Nylon Stitching
• Die Cast Aluminum Basket
• Dual Nomex Spiders
• 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

$275.40

OUT OF STOCK

VCW152 1000W 15" VC-Series Dual 2-ohm Sub + HFi1000.1D 1000 Watt RMS Monoblock HFi Series Amp + XKIT42 2-CH OFC 4G Amp Installation Kit

• 1000W 15" VC-Series Dual 2-ohm Car Subwoofer
• 1000 Watt RMS Class D Monoblock HFi Series 1-Ohm Stable Subwoofer Amplifier
• 100% Copper, 2-Chan. True Spec 4 Gauge Amp Installation Kit w/RCA Interconnect & 40 ft Speaker Cable

$459.97

OUT OF STOCK

List price $339.97: (2) Planet Audio AC12D 12" Anarchy Series Dual 4 Ohm Car Subwoofer + Boss CHD4000 Monoblock Chaos Series Class D Amplifier

• Total Peak Power: 4000W
• Nickel-plated RCA low level inputs/outputs
• 3-way protection circuitry (thermal, overload, and speaker short protection)
• Wired remote bass level control included
• 11.00" W x 13.95" L x 2.60" H

$201.40

OUT OF STOCK

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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.
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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.