Best Monoblock Amplifier For 12 Sub In June 2025

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Looking for the Best Monoblock Amplifier For 12 Sub that can last long and perform well? Read our review and buying guide on Best Monoblock Amplifier For 12 Sub below.

To help you in your search, we have completed this list of the Best Monoblock Amplifier For 12 Sub.

Top Rated Best Monoblock Amplifier For 12 Sub Of 2025

Rank	Product Name	Score
1	BOSS Audio Systems R1100M Monoblock Car Amplifier - 1100 Watts Max Power, 2/4 Buy Now	9.7 Buy Now
2	Planet Audio AC1500.1M Monoblock Car Amplifier - 1500 Watts Max Power, 2/4 Ohm Buy Now	9.5 Buy Now
3	Orion CB2500.1D Cobalt Series Monoblock Class D 1-Ohm Amplifier Buy Now	9.1 Buy Now
4	Lanzar Amplifier Car Audio, Amplifier Monoblock, 1 Channel, 3,000 Watt, 2 Ohm, MOSFET Buy Now	8.8 Buy Now
5	Planet Audio PL3000.1D Class D Car Amplifier - 3000 Watts, 1 Ohm Stable Buy Now	8.6 Buy Now
6	Planet Audio TR3000.1D Class D Car Amplifier - 3000 Watts, 1 Ohm Stable Buy Now	8.3 Buy Now
7	Skar Audio SDR-12 D2 12" 1200 Watt Max Power Dual 2 Ohm Car Buy Now	8.1 Buy Now
8	Rockford Fosgate R500X1D Prime 1-Channel Class D Amplifier,BLACK Buy Now	7.8 Buy Now
9	MTX THUNDER500.1 500 W x 1 Subwoofer Amplifier Buy Now	7.5 Buy Now
10	Rockville dB15 6000 Watt/3000w RMS Mono Class D 2 Ohm Amplifier Car Audio Buy Now	7.2 Buy Now

1. BOSS Audio Systems R1100M Monoblock Car Amplifier - 1100 Watts Max Power, 2/4

• Variable bass boost: variable bass boost allows you to adjust the low bass within the boost range to just the way you like it
• Power: maximum power output of 1100 watts at 2 ohms into one channel. max power output of 550 watts at 4 ohms into one channel. this amplifier is designed to run your subwoofer(s) giving them the power that they need to perform as they were meant to
• High level inputs: speaker level inputs are commonly referred to as high-level inputs. speaker level inputs will be used to connect the r1100m to your factory radio or an aftermarket radio that does not have low-level (rca) inputs
• Low-pass crossover: a low-pass filter is an electronic circuit that removes all the notes below the filter's frequency setting. you will use the low-pass filter to primarily keep high notes out of your subwoofer(s)
• Dimensions: the r1100m is 9.1 inches in depth, 10.4 inches in width and 2.3 inches in height. it can be installed in a variety of different places due to its slim and compact design
• Low level inputs: line level inputs, also known as rca inputs or low-level inputs, use rca interconnect cables to link the r1100m with the source unit. most aftermarket radios have multiple pairs of rca outputs that can connect to multiple amplifiers

2. Planet Audio AC1500.1M Monoblock Car Amplifier - 1500 Watts Max Power, 2/4 Ohm

• Power: max power output of 1500 watts at 2 ohms into one channel. maximum power output of 750 watts at 4 ohms into one channel. this amplifier is designed to run your subwoofer(s) giving them the power that they need to perform as they were meant to
• Low level inputs: line level inputs, also known as rca inputs or low-level inputs, use rca interconnect cables to link the ac1500.1m with the source unit. most aftermarket radios have multiple pairs of rca outputs that can connect to multiple amplifiers
• Dimensions: the ac1500.1m is 10 inches in depth, 10 inches in width and 2.4 inches in height. it can be installed in a variety of different places due to its slim and compact design
• Variable bass boost: variable bass boost allows you to adjust the low bass within the boost range to just the way you like it
• Low-pass crossover: a low-pass filter is an electronic circuit that removes all the notes below the filter's frequency setting. a low-pass filter will primarily keep high notes out of your subwoofer(s)
• High level inputs: speaker level inputs are commonly referred to as high-level inputs. this input will be used to connect the ac1500.1m to your factory radio or aftermarket radio that does not have low-level (rca) inputs

3. Orion CB2500.1D Cobalt Series Monoblock Class D 1-Ohm Amplifier

• Sensitivity: 150mv - 5v
• Max power: 3000w
• Frequency response: 10hz - 400khz (-3db)
• Power rating: rms @ 4 ohm 14. 4 volt: 275 w x 1 / rms @ 2 ohm 14. 4 volt: 360 w x 1 / rms @ 1 ohm 14. 4 volt: 750 w x 1
• Impedance: 22k ohm

4. Lanzar Amplifier Car Audio, Amplifier Monoblock, 1 Channel, 3,000 Watt, 2 Ohm, MOSFET

• Sound specialization: this high-powered power amplifier is cutting edge technology at its finest nickel-plated rca connectors and speaker screw-down terminals ensure a secure connection between amplifier and speakers that allow distortion-free sound
• Audio evolution: this amplifier car audio features excellent frequency response rates and crossover network that place these amps in a class of their own
• Great deal: often a monoblock amp comes with a high price tag yet the lanzar mono amplifier is budget friendly with all the features, reducing crosstalk between channels
• Intelligent design: the amplifier monoblock features include power and protection led indicators, soft turn-on/off, and 1 channel amp design
• Rca jacks: the line-out jacks allow you to build multiple amplifier systems without having to use splitter cords to distribute the signal this makes it easier to bring one set into the first amp, then use the line out jack as the feed to the next amp

5. Planet Audio PL3000.1D Class D Car Amplifier - 3000 Watts, 1 Ohm Stable

• Specs - dimensions: 11.9 x 7 x 2.3, weight 6.7 lbs.
• 1 ohm stable - able to continuously power loads of 1 ohm without encountering difficulties such as overheating. typically made to power up subwoofers that demand the heavier power load requirements to be able to perform the way they were made to
• Class d - power loss is significantly reduced making the amplifier highly efficient. excess energy is stored until its needed instead of being converted into heat. reduction in size/weight, reduced power waste, smaller heat sink, compact circuitry
• Strapping capable - you are able to strap two pl3000.1d amplifiers and double the power that is being sent to your subwoofer(s). you now have the ability to connect more subwoofers to take advantage of the extra power
• Power - 3000 watts max x 1 @1-ohm, 1500 watts max x 1 @2-ohms
• Variable low-pass crossover - subwoofers reproduce sound based on a number of different low-range frequencies. you can set exact sound specifications for the bass frequency reproduction

6. Planet Audio TR3000.1D Class D Car Amplifier - 3000 Watts, 1 Ohm Stable

• Monoblock class d, mosfet power supply
• Low level inputs, rca pre-amp outputs
• Variable low pass crossover, variable bass boost, variable subsonic filter, switchable phase control
• 3000 w max power x 1, 2250 w x 1 rms @ 1 ohm, 1125 w x 1 rms @ 2 ohm, 563 w x 1 rms @ 4 ohm 4500 w x 1 rms strapped bridged power @ 2 ohm

7. Skar Audio SDR-12 D2 12" 1200 Watt Max Power Dual 2 Ohm Car

• Powerful high flux ferrite motor | advanced air flow cooling design
• 12-inch dual 2-ohm car subwoofer
• High roll foam surround and competition grade pressed paper cone
• Frequency response range: 22 hz - 300 hz | sensitivity: 84.7 db
• 2.5" 4-layer high temperature copper voice coil | fs: 32 hz
• Peak power: 1,200 watts | rms power: 600 watts

8. Rockford Fosgate R500X1D Prime 1-Channel Class D Amplifier,BLACK

• On-board punch eq with +18db boost at 45hz. input sensitivity: 150 mv to 4 v
• Onboard 12db/octave lp/hp/ap crossover & infrasonic filter. power wire gauge- 4 awg. power input connector-screw terminal. suggested alternator-75 a
• 300 watts x 1 @ 4-ohms, 500 watts x 1 @ 2-ohms, frequency 20hz to 250hz +/-1db
• Includes wired remote (punch level control). high efficiency amplifier design that reduces current consumption from the charging system
• Cast aluminum heatsink with stealth top mounted control panel

9. MTX THUNDER500.1 500 W x 1 Subwoofer Amplifier

• Class d topology
• Selectable bass boost
• Surface mount pcb
• Variable lpf
• Small foot print design

10. Rockville dB15 6000 Watt/3000w RMS Mono Class D 2 Ohm Amplifier Car Audio

• Rockville db15 6000 watt/3000 watt rms mono class d 2 ohm car stereo amplifier with optical coupler technology. cea compliant power ratings (rated at less than 1 % distortion) (use these cea ratings when matching and comparing with other cea compliant brands such as kicker, rockford fosgate, etc.). 2 ohm: 1500 watts x 1 channel <1% thd+n. 4 ohm: 900 watts x 1 channel <1...
• Rca preamp line output. 8 volt preamp circuitry. status mode led indicator. minimum thd at rated power: <0.1%. s / n ratio: >90db. under voltage protection at 10v. over voltage protection at 16v. frequency response: 15hz - 250hz. damping factor: >150 @ 100hz. 150 amp maxi fuse. dimensions: (w x h x l)9 x 2.4 x 17.8.
• Rms power ratings: (use these rms ratings when comparing with great brands such as hifonics, earthquake, soundstream, etc.). 2 ohm: 3000 watts x 1 channel. 4 ohm: 1800 watts x 1 channel. peak: (the amount of power the amplifier can produce for a split second at the loudest part of a song. 2 ohm: 6000 watts x 1 channel. 4 ohm: 3600 watts x 1 channel.
• High-speed mosfet power supply . optical coupler class d technology. fully adjustable 12db / octave crossover with differential circuitry. low pass filter: 50hz - 250hz. subsonic filter: 15hz - 55hz. phase control switch. full ic-controlled protection circuitry. remote dashboard subwoofer control. fully adjustable 12db bass equalizer. mute and delay soft start system.
• Includes: amplifier. bass remote. birth sheet with tested power. owners manual. mounting screws. warranty.