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Price range: $160–$1,200
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Mono Subwoofer Amps

1000W RMS Phantom Series Class D Full Range Monoblock Amplifier (P 1000.1)
Free Ground Shipping within the 48 states
Phantom Series Class D Full Range Monoblock Car Amplifier • 580W RMS @ 4 ohms • 725W RMS @ 2 ohms • 1000W RMS @ 1 ohm • Variable Bass Boost • 3-Way System Protection • Wired Remote Bass Level Control Included • Variable Crossovers
$189.99
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  • 5.0
  (2 reviews)
1680W RMS Class D Monoblock SK Series Car Amplifier
Free Ground Shipping within the 48 states
SK Series Monoblock Class D Amplifier • 500W x 1 Chan. @ 4 ohms • 930W x 1 Chan. @ 2 ohms • 1680W x 1 Chan. @ 1 ohms • 3-Way System Protection • 1 Channel Operation • 1/0 Gauge Power and Ground Inputs • Capable of 16V Operation
$449.99
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500W RMS, Monoblock Class D JX Series Full-Range Car Amplifier
Free Ground Shipping within the 48 states
JX Series 1-Channel Class D Car Amplifier • 4 ohms: 300 watts x 1 chan. • 2 ohms: 500 watts x 1 chan. • Unregulated Pwm Switching Type Power Supply • Speaker-Level (High-Level) Inputs With Signal Sensing For Automatic Turn-On
Get 50% off an NVX Subwoofer with Purchase!
$269.95
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  • 3.0
  (2 reviews)
1000W Class D 1-Channel Monoblock Reference Series Amplifier (RA10001)
Free Ground Shipping within the 48 states
Reference Series 1-Channel Class D Amplifier • 475W x 1 Chan. @ 4 ohms • 750W x 1 Chan. @ 2 ohms • 1000W x 1 Chan. @ 1 ohm • 3-Way System Protection • 1 Channel Operation • 1/0 Gauge Power and Ground Inputs • FLUID-FETS Circuit for Smooth Sound Quality
$219.99
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2500W RMS Class D Monoblock SK Series Car Amplifier
Free Ground Shipping within the 48 states
SK Series Monoblock Class D Amplifier • 790W x 1 Chan. @ 4 ohms • 1450W x 1 Chan. @ 2 ohms • 2500W x 1 Chan. @ 1 ohms • 3-Way System Protection • 1 Channel Operation • 1/0 Gauge Power and Ground Inputs • Capable of 16V Operation
$799.99
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1000W RMS, 1-Channel Monoblock Class D JX Series Full-Range Car Amplifier
Free Ground Shipping within the 48 states
JX Series Monoblock Amplifier • Class D • 500W @ 4 ohm • 750W @ 3 ohm • 1000W @ 2 ohm • Variable Bass Boost (0 to +12 dB) • High & Low Level Inputs • Adjustable Input Sensitivity • Low Pass Filter
50% off NVX XBBR Bass Restoration/Booster w/Select Amps!
$409.95
Shipping: FREE
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  • 5.0
  (10 reviews)
600W, Single-Channel Class D XD Series Subwoofer Monoblock Car Amplifier
Free Ground Shipping within the 48 states
XD Series Monoblock Class D Car Amplifier • 600W x 1-Chan @ 2 Ohms • NexD Ultra-High Speed Topology • Preamp RCA Outputs • Variable High/Low-Pass Filter • 3-Way System Protection Circuitry • Remote Bass Input
50% off NVX XBBR Bass Restoration/Booster w/Select Amps!
$359.95
Shipping: FREE
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  • 4.2
  (9 reviews)
250W RMS, 1-Channel Monoblock Class A/B JX Series Full-Range Car Amplifier
Free Ground Shipping within the 48 states
JX Series Monoblock Amplifier • Class AB • 175W @ 4 ohm • 210W @ 3 ohm • 250W @ 2 ohm • Variable Bass Boost (0 to +12 dB) • High & Low Level Inputs • Adjustable Input Sensitivity • Low Pass Filter
$159.95
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  • 4.7
  (3 reviews)
1200W RMS Class D Monoblock SK Series Car Amplifier
Free Ground Shipping within the 48 states
SK Series Monoblock Class D Amplifier • 488W x 1 Chan. @ 4 ohms • 872W x 1 Chan. @ 2 ohms • 1385W x 1 Chan. @ 1 ohms • 3-Way System Protection • 1 Channel Operation • 1/0 Gauge Power and Ground Inputs • Capable of 16V Operation
$399.99
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300W, Single-Channel Class D XD Series Subwoofer Monoblock Car Amplifier
Free Ground Shipping within the 48 states
XD Series Monoblock Class D Car Amplifier • 300W x 1-Chan @ 2 Ohms • NexD Ultra-High Speed Topology • Preamp RCA Outputs • Variable High/Low-Pass Filter • 3-Way System Protection Circuitry • Remote Bass Input
$269.95
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  • 5.0
  (3 reviews)
350W RMS Class AB Monoblock HED3 Series Power Car Amplifier
Free Ground Shipping within the 48 states
HED Series Monoblock Class AB Amplifier • 170W x 1 Chan. @ 4 ohms • 350W x 1 Chan. @ 2 ohms • 3-Way System Protection • Mono Channel Operation • 8 Gauge Power and Ground Inputs • Low Pass and Subsonic Filters
$169.99
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590W RMS X-Program Single-Channel Monoblock Class D Amplifier (12-31010)
Free Ground Shipping within the 48 states
X-Program Monoblock Class D Amplifier • 590W • Dual Speaker Terminals • Preamp RCA outputs • 3-Way System Protection Circuitry • Speaker-Level Inputs • Variable Bass Boost • Variable Low-Pass Filter • Phase Shift
$239.95
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265W RMS, Sub Box Amplifier (Ultimate Series SBA 185 -- 10-32185)
Free Ground Shipping within the 48 states
Ultimate Series Sub Box Amplifier • 265W RMS • Speaker-Level Inputs with Signal Sensing • Aluminum Alloy Heatsink with Cooling Fan • Gold-Plated Terminals • Variable Low-Pass Filter • Phase Control
$169.95
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1200 RMS Monoblock Class A/B High Fidelity Q Series Car Amplifier
Free Ground Shipping within the 48 states
Q Series Monoblock Class A/B Car Amplifier • 1200W RMS x 1 Channel @ 1 Ohm • Variable Bass Boost • Variable Low Pass Filter • Optically Isolate MOSFET Power Supply • 5 Way System Protection Circuitry • Subsonic Filter
Buy amp and get the NVX XKIT42 4 gauge amp kit 30% off!
$669.99
Shipping: FREE
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600 RMS Monoblock Class A/B High Fidelity Q Series Car Amplifier
Free Ground Shipping within the 48 states
Q Series Monoblock Class A/B Car Amplifier • 600W RMS x 1 Channel @ 1 Ohm • Variable Bass Boost • Variable Low Pass Filters • Optically Isolate MOSFET Power Supply • 5 Way System Protection Circuitry • Subsonic Filter
50% off NVX XBBR Bass Restoration/Booster w/Select Amps!
$359.99
Shipping: FREE
To the US 48 • other rates
  • 5.0
  (1 review)
800W RMS Class D Monoblock SK Series Car Amplifier
Free Ground Shipping within the 48 states
SK Series Monoblock Class D Amplifier • 340W x 1 Chan. @ 4 ohms • 570W x 1 Chan. @ 2 ohms • 820W x 1 Chan. @ 1 ohms • 3-Way System Protection • 1 Channel Operation • 4 Gauge Power and Ground Inputs • Capable of 16V Operation
$299.99
Shipping: FREE
To the US 48 • other rates
5500W Max Onyx Series Class D Monoblock Power Amplifier
Free Ground Shipping within the 48 states
Onyx Series 1-Channel Class D Car Amplifier • 2300 Watts RMS x 1 Chan. @ 4 Ohm • 5500 Watts Max x 1 Chan. @ 1 Ohm • Adjustable 0-12 dB Bass Boost • 1 Pair of Preamp RCA Outputs • Strapping Capability
$162.99
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  • 3.9
  (14 reviews)
Availability: Out of Stock - Backorder
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1000W RMS Power Class Series Monoblock Class D Car Amplifier
Free Ground Shipping within the 48 states
Power Class Series Class D Monoblock Car Amplifier • 1000W RMS • Large TO218 MOSFET Transistors • Triple Darlington Audio Output Stages • Close Tolerance Signal Path Components • Extra Low Current Drive Stage
50% off NVX XBBR Bass Restoration/Booster w/Select Amps!
$239.99
Shipping: FREE
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Availability: Out of Stock - Backorder
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Marine, M Series Monoblock Class D Amplifier
Free Ground Shipping within the 48 states
M Series Monoblock Class D Amplifier • 600W x 1-Chan @ 2 Ohms • NexD Ultra-High Speed Topology • Preamp RCA Outputs • Variable High/Low-Pass Filter • 3-Way System Protection Circuitry • Remote Bass Input
$379.95
Shipping: FREE
To the US 48 • other rates
  • 5.0
  (1 review)
Availability: Out of Stock - Backorder
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2000W Class D 1-Channel Monoblock Reference Series Amplifier (RA20001)
Free Ground Shipping within the 48 states
Reference Series 1-Channel Class D Amplifier • 650W x 1 Chan. @ 4 ohms • 1300W x 1 Chan. @ 2 ohms • 2000W x 1 Chan. @ 1 ohm • 3-Way System Protection • 1 Channel Operation • 1/0 Gauge Power and Ground Inputs • FLUID-FETS Circuit for Smooth Sound Quality
$319.00
Shipping: FREE
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Availability: Out of Stock - Backorder
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Items per page: 20 50 100
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Related Categories

Amplifier Wiring Kits
Get all the cables, wires, and hardware you need to install your new car 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! Make sure to get the kit that is best designed for your car audio system.
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.

Mono Subwoofer Amps 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.