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Price range: $110–$730
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D (22)
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Minimum Impedance Bridged:
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Maximum Input Gauge Size:
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8 (4)
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Mono Subwoofer Amps - Minimum Impedance Unbridged: 2 ohms, Speaker Level Inputs: No, CEA-2006 Compliant: Yes
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Kenwood KAC-5001PS
500W RMS Class D 1-Channel Monoblock Performance Series Car Power Amplifier (KAC5001PS)
Free Ground Shipping within the 48 states
Performance Series Monoblock Class D Amplifier • 300W x 1 Chan. @ 4 ohms • 500W x 1 Chan. @ 2 ohms • 1000W MAX x 1 Chan. @ 2 ohms • 3-Way System Protection • 1 Channel Operation • 4 Gauge Power and Ground Inputs • FEATURE
$139.99
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Kicker KX400.1 (40KX4001)
400W RMS KX Series Monoblock Class D Car Power Amplifier (KX4001)
Free Ground Shipping within the 48 states
KX Series Monoblock Class D Car Amplifier • 200W x 1 Chan. @ 4 ohms • 400W x 1 Chan. @ 2 ohms • 3-Way System Protection • Single Channel Operation • 4 Gauge Power and Ground Inputs • Stylish Magnetic Panel Covers Tuning Options for Clean Install
Get 20% off SMD DD-1 Distortion Detector w/ Select Amps!
$279.95
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Kicker KX800.1 (40KX8001)
800W RMS KX Series Monoblock Class D Car Power Amplifier (KX8001)
Free Ground Shipping within the 48 states
KX Series Monoblock Class D Car Amplifier • 400W x 1 Chan. @ 4 ohms • 800W x 1 Chan. @ 2 ohms • 3-Way System Protection • Single Channel Operation • 4 Gauge Power and Ground Inputs • Stylish Magnetic Panel Covers Tuning Options for Clean Install
Get 20% off SMD DD-1 Distortion Detector w/ Select Amps!
$429.95
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MTX TD500.1D
500W RMS, Monoblock TD Series Class D Car Amplifier
Free Ground Shipping within the 48 states
Monoblock TD Series Class D Car Amplifier • 4 ohms: 300 watts x 1 chan. • 2 ohms: 500 watts x 1 chan. • Dual Speaker Terminals Simplify the Hookup of Multiple Speakers • Mono channel operation
$109.99
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  • 4.0
  (1 review)
Availability: Only 2 left in stock - order soon
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Kicker KX1200.1 (40KX12001)
1200W RMS KX Series Monoblock Class D Car Power Amplifier (KX12001)
Free Ground Shipping within the 48 states
KX Series Monoblock Class D Car Amplifier • 600W x 1 Chan. @ 4 ohms • 1200W x 1 Chan. @ 2 ohms • 3-Way System Protection • Single Channel Operation • 4 Gauge Power and Ground Inputs • Stylish Magnetic Panel Covers Tuning Options for Clean Install
Get 20% off SMD DD-1 Distortion Detector w/ Select Amps!
$579.95
Shipping: FREE
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Availability: In Stock - Ships same or next business day
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Infinity Reference 1300a
342W Max, Reference Series Class D Monoblock Amplifier
Free Ground Shipping within the 48 states
Reference Series Class D Monoblock Amplifier • 200W x 1 chan. @ 4 ohms • 300W x 1 chan. @ 2 ohms • 342W x 1 chan. Max • MOSFET power supply • Gold-plated preamp RCA outputs
$129.95
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  • 4.7
  (12 reviews)
Availability: In Stock - Ships same or next business day
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Infinity Reference 1600A
894W Max, Reference Series Class D Monoblock Amplifier
Free Ground Shipping within the 48 states
Reference Series Class D Monoblock Amplifier • 400W x 1 chan. @ 4 ohms • 600W x 1 chan. @ 2 ohms • MOSFET power supply • Gold-plated preamp RCA outputs
$192.60
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  • 4.8
  (21 reviews)
Availability: In Stock - Ships same or next business day
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Kicker IX1000.1 (11IX1000.1)
1000W RMS Monoblock Class D IX Series Amplifier (IX10001)
Free Ground Shipping within the 48 states
IX Series Monoblock Class D Car Amplifier • 1000W x 1-Chan. @ 2 Ohms • 550W x 1-Chan. @ 4 Ohms • Super-Small Footprint • Optional Stacking Mounts Available • Optional Vinyl Skins For Personalization
Get 20% off SMD DD-1 Distortion Detector w/ Select Amps!
$599.00
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  • 5.0
  (3 reviews)
Availability: In Stock - Ships same or next business day
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JBL GTO-751EZ
Monoblock GTO Series Class D Car Amplifier
Free Ground Shipping within the 48 states
Monoblock GTO Series Class D Car Amplifier • 4 ohms: 500 watts x 1 chan. • 2 ohms: 750 watts x 1 chan. • Max power output: 1200 watts x 1 chan. • Gain LED Indicators for Proper Gain Adjustment
$239.95
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  • 5.0
  (1 review)
Availability: Only 3 left in stock - order soon
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MTX Audio Thunder Marine TM601D
Class D Monoblock Amplifier for Marine Use
Free Ground Shipping within the 48 states
Thunder Marine Series Class D Monoblock Marine Amplifier • 100W x 1 chan. @ 4 ohms • 200W x 1 chan. @ 2 ohms • MOSFET power supply • Conformal coated circuit board • Gold-plated screw terminals
$165.55
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  • 5.0
  (1 review)
Availability: Only 1 left in stock - order soon
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Kicker KX1600.1 (40KX1600.1)
1600W RMS KX Series Monoblock Class D Car Power Amplifier (KX16001)
Free Ground Shipping within the 48 states
KX Series Monoblock Class D Car Amplifier • 800W x 1 Chan. @ 4 ohms • 1600W x 1 Chan. @ 2 ohms • 3-Way System Protection • Single Channel Operation • 4 Gauge Power and Ground Inputs • Stylish Magnetic Panel Covers Tuning Options for Clean Install
Get 20% off SMD DD-1 Distortion Detector w/ Select Amps!
$729.95
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MTX Audio RT250D
250W RMS, Monoblock Class D Road Thunder Amplifier
Free Ground Shipping within the 48 states
Road Thunder Series Monoblock Class D Car Amplifier • 250W x 1-Chan @ 2 Ohms • 125W x 1-Chan @ 4 Ohms • Variable Bass Boost • External Bass Remote Control • Subsonic/Low Pass Filters
$139.99
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MTX Audio RT1000D
1000W RMS, Monoblock Class D Road Thunder Amplifier
Free Ground Shipping within the 48 states
Road Thunder Series Monoblock Class D Car Amplifier • 1000W x 1-Chan @ 2 Ohms • 500W x 1-Chan @ 4 Ohms • Variable Bass Boost • External Bass Remote Control • Subsonic/Low Pass Filters
$340.45
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  • 5.0
  (2 reviews)
Availability: Only 2 left in stock - order soon
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MTX Audio RT500D
500W RMS, Monoblock Class D Road Thunder Amplifier
Free Ground Shipping within the 48 states
Road Thunder Series Monoblock Class D Car Amplifier • 500W x 1-Chan @ 2 Ohms • 250W x 1-Chan @ 4 Ohms • Variable Bass Boost • External Bass Remote Control • Subsonic/Low Pass Filters
$189.95
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Kicker IX1000.1 (10IX1000.1)
1000W RMS, Monoblock Class D IX Series Amplifier (IX10001)
Free Ground Shipping within the 48 states
IX Series Monoblock Class D Car Amplifier • 1000W x 1-Chan. @ 2 Ohms • 550W x 1-Chan. @ 4 Ohms • Super-Small Footprint • Optional Stacking Mounts Available • Optional Vinyl Skins For Personalization
$449.25
Shipping: FREE
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  • 5.0
  (2 reviews)
Availability: In Stock - Ships same or next business day
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Kicker IX500.1 (10IX500.1)
500W RMS, Monoblock Class D IX Series Amplifier (IX5001)
Free Ground Shipping within the 48 states
IX Series Monoblock Class D Car Amplifier • 500W x 1-Chan. @ 2 Ohms • 275W x 1-Chan. @ 4 Ohms • Super-Small Footprint • Optional Stacking Mounts Available • Optional Vinyl Skins For Personalization
$299.96
Shipping: FREE
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  • 4.9
  (11 reviews)
Availability: Only 2 left in stock - order soon
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Kicker IX500.1 (11IX500.1)
500W RMS, Monoblock Class D IX Series Amplifier (IX5001)
Free Ground Shipping within the 48 states
IX Series Monoblock Class D Car Amplifier • 500W x 1-Chan. @ 2 Ohms • 275W x 1-Chan. @ 4 Ohms • Super-Small Footprint • Optional Stacking Mounts Available • Optional Vinyl Skins For Personalization
Get 20% off SMD DD-1 Distortion Detector w/ Select Amps!
$399.95
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  • 5.0
  (1 review)
Availability: Only 2 left in stock - order soon
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Rockford Fosgate P400-1
400W RMS Punch Series Monoblock Amplifier (P4001)
Free Ground Shipping within the 48 states
Punch Series Monoblock Class AB Car Amplifier • 200 Watts x 1 chan. @ 4 ohms • 400 Watts x 1 chan. @ 2 ohms • MOSFET power supply • RCA Pass-thru outputs
  • 4.8
  (4 reviews)
Availability: Discontinued
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Alpine PDX-M6
600W RMS PDX Series Monoblock Power Density Digital Amplifier
Free Ground Shipping within the 48 states
PDX Series 1-Channel Car Amplifier • Class D • 600 Watts RMS • 600 Watts x 1 Chan. RMS • Variable Low-Pass Filter • Blue LED Power/Status Indicator • RCA Pre-out Jacks • Compact Size
$309.95
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  • 4.9
  (7 reviews)
Availability: Out of Stock - Backorder
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Alpine Marine PDX-1.600M
Marine Series Class D Monoblock Power Density Digital Amplifier (PDX1.600M)
Free Ground Shipping within the 48 states
Marine Series Monoblock Class D Car Amplifier • 600W x 1 chan. @ 4 ohms • 600W x 1 chan. @ 2 ohms • STAR (Signal Transit for Accurate Response) Topology • Preamp RCA outputs (non-fading) • Constructed from UV resistant materials and finish, and corrosion resistant hardware
50% off NVX XBBR Bass Restoration/Booster w/Select Amps!
$229.99
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  • 5.0
  (1 review)
Availability: Out of Stock - Backorder
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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.