Best Crossover Car Mono Amplifiers in 2026

Power - 1100 Max x 1 @ 2 Ohms, 550 Max x 1 @ 4 Ohms

Class A/B Topology - Class ‘A’ amplifiers have enormous amount of current flowing through its output transistors with no audio signal. Class ‘B’ amplifiers have no current flowing through its outputs with no audio signal

Mosfet Power Supply - A MOSFET is an electrical switch that allows the flow of electrical current. It controls the output voltage & current precisely by removing the output current sensing loss & eliminating all secondary feedback circuitry

Our ultra-compact (1.53” x 4.25” x 6.75”) Punch PBR300X2 2-channel amplifier packs a Punch with 300 Watts of power without sucking a lot of juice from your electrical system

Designed to be compact and efficient while providing big power (RMS Power Output: 100 Watts x 2 @ 4-Ohm OR 150 Watts x 2 @ 2-Ohm OR 300 Watts x 1 @ 4-Ohm Bridged)

Featuring our Class BR, Rockford Fosgate’s patented Boosted Rail technology that sips current while retaining a storage reserve for extended bursts of power. Perfect for smaller stealth installations, motorcycles and recreational vehicles

500-Watt MOSFET 4-Channel Class A/B Power Car Amplifier

RMS Power at 2 Ohms: 125 Watts x 4 Channels

RMS Power at 4 Ohms: 75 Watts x 4 Channel

CX-Series Amplifiers are the perfect combination of big power, bigger flexibility and true reliability!

A variable 12dB crossover, KickEQ 6dB variable bass boost and a 24dB subsonic filter on mono amps gives you the control you want - to craft the sound you love.

Mono KICKER CX Amplifiers are now stable down to one Ohm, giving you the freedom to put even more subs in your system!

HIGH-POWERED CAR AMPLIFIER: Enjoy serious sound beyond standard car speakers with our 3.5-inch class-D amplifier. This car amp has a max power output of 1,800 W and an input sensitivity of 0.2–5 V, so your car’s stereo can reach your desired volume.

PROFESSIONAL SOUNDS: Our car-audio amplifier’s total harmonic distortion (THD) is less than 0.15% for clearer audio. This loud amp also has a signal noise ratio of 70 dB, a frequency response of 8 Hz–180 kHz, and a crossover range of 5 Hz–50 kHz

ADJUSTABLE AMP: With a full MOSFET circuit design and simple bridging operation, this big amp is also phase, subsonic, level, and low-pass-filter adjustable. The included bass remote and knob aid with quick and easy control of the bass level.

Includes: Amplifier. Bass Remote. Birth sheet with tested power. Owner’s manual. Mounting Screws. Warranty.

Rockville dB13 3000 Watt Peak/750w Dyno-Certified RMS Mono 2 Ohm Amplifier Car Amp. Dyno Certified RMS Power Ratings: (Certified Dyno Test / Less than 1 % THD) (Use these ratings when comparing with top brands such as Kicker, Rockford Fosgate, etc). - 2 Ohm: 750 Watts x 1 Channel <1% THD+N. - 4 Ohm: 450 Watts x 1 Channel <1% THD+N.

Peak: (Use these ratings when comparing with the top budget brands such as Boss, Power Acoustik, etc). - 2 Ohm: 3000 Watts x 1 Channel. - 4 Ohm: 1800 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.

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

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

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

1000W RMS / 2000W MAX POWER: The Lanzar 2000 watt 4 channel high power MOSFET amplifier is perfect for your car stereo entertainment system. It can give 500 W x 4 output at 4 ohms or 1000 W x 2 bridged output at 2 ohms for a high quality audio

MOSFET POWER SUPPLY: This powerful amplifier is equipped with metal oxide semiconductor field-effect transistors to quickly switch from full to non-conduction for high efficiency output

SHORT CIRCUIT PROTECTION: This 4 ch amp is also equipped with a 2x30 amp maxi type fuse to protect the amplifier and the electrical system of your car from thermal / overload / short circuit conditions

CX-Series Amplifiers are the perfect combination of big power, bigger flexibility and true reliability!

A variable 12dB crossover, KickEQ 6dB variable bass boost and a 24dB subsonic filter on mono amps gives you the control you want - to craft the sound you love.

Mono KICKER CX Amplifiers are now stable down to one Ohm, giving you the freedom to put even more subs in your system!

Excellent for voice as well as bass

2 ohms

3000 watts

VERY GREAT DEAL: A monoblock amplifier is typically expensive, but the Lanzar mono-block amplifier is inexpensive while still providing all of the features, such as reducing crosstalk between channels.

EASY SOUND CUSTOMIZATION: This high-powered Power Amplifier represents cutting-edge technology at its best. The RCA connectors and speaker screw-down terminals ensure a secure connection between amplifier and speakers, allowing distortion-free sound

SPECIALIZED AUDIO EVOLUTION: This amplifier car audio has excellent frequency response rates and a crossover network that puts it in a class of its own. With its cutting edge technology, the audio produced is very high quality

Premium black series with configurable adjustments

1 ohm

Excellent for voice as well as bass

CLASS D AMPLIFIER - Class D topology ensures high efficiency with big power and a small footprint. This mono amplifier was built for driving subwoofers and subwoofer systems, maintaining the highest sound quality sound for your car audio.

BUILT FOR POWERFUL SOUND - Minimize heat generation with the PWM MOSFET power supply providing stability through the PC board. Old school Hifonics aluminum heat sink maintains superior heat dissipation to keep your car audio sounding smooth.

MADE TO LAST - Low noise preamplifier generates maximum low voltage signal from source unit, minimizing distortion. High temperature impact resistant inputs with hex screw terminals allow secure connections and are erosion resistant.

COMPACT DESIGN: Digital class D Brazilian technology allows this amplifier to have a small footprint by integrating a high-speed mosfet power supply with top of line transistors to ensure performance in a small heat sink without compromising performance. Dimensions: 3.93″ depth x 5.02″ width x 2″ height

POWER: This amplifier is designed to run your stereo system with the power it needs to perform! 500 Watts maximum dynamic RMS power output of 4x 125 Watts at 2 Ohms per channel. Its high efficiency rate of 87% provides more power with less battery consumption.

BRIDGEABLE: Double the power output to your speakers by bridging two channels. Minimum impedance of 4 Ohms per bridged channel at output power of 2 x 225 Watts RMS

5000 W MAX Power @ 1 Ohm x 1 Channel

2500 W MAX Power @ 2 Ohm x 1 Channel

1250 W MAX Power @ 4 Ohm x 1 Channel

AUDIO EVOLUTION: This amplifier car audio features excellent frequency response rates and crossover network that place these amps in a class of their own

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

INTELLIGENT DESIGN: The amplifier monoblock features include power and protection LED indicators; soft turn-on/off; and 1 channel amp design

Class D MOSFET Mono Block Power Amplifier

Max Power at 1 Ohm:1500 Watts，Max Power at 2 Ohms: 800 Watts，Max Power at 4 Ohms: 510 Watts

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)

📢 PEAK POWER: 5400 Watts

📢 RMS POWER: 【4 ohms: 1250W x 1 chan.】【2 ohms: 1950 W x 1 chan.】【1 ohm: 2700 W x 1 chan.】

📢 BASS REMOTE: Variable Bass Boost 0 - +12 dB @ 45 Hz. Easily adjust with the included bass remote.

POWER - MAX Power 1Ω：1x2200w @ 1ohm,MAX Power 2Ω：1x1400w @ 2ohm;RMS Power：1x900w @ 1ohm, RMS Power：1x600w @ 2ohm. This amplifier is designed to run your subwoofer(s) giving them the power that they need to perform as they were meant to.

CLASS D - Power loss is significantly reduced making the amplifier highly efficient. Excess energy is stored until it's needed instead of being converted into heat. Reduction in size/weight, reduced power waste, smaller heat sink, compact circuitry.

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.

Blaupunkt 1500 Watt Monoblock Amplifier

Max power output: 1500 watts / RMS Output Power Rating: 4 ohms: 120 watts x 1 channel / 2 ohms: 200 watts x 1 channel / Frequency Response: 10Hz - 30kHz

Signal-To- Noise Ratio: >96 dB / Voltage Supply: 11 - 16V DC / Gain Adjust: 200mV-8V

2 channels x 750 watts @ 2 ohms

2 channels x 325 watts @ 4 ohms

1 channel x 1,500 watts (mono bridged) @ 4 ohms

8000 watts

1 ohm

Excellent for voice as well as bass

1000-WATT POWER: The Crunch PowerDriveX Car Stero Amplifier boasts 1000 Watts power; 2 x 250 watts at 4 ohms, 2 x 500 watts at 2 ohms, 1 x 1000 watts at 4 ohms bridged

2 CHANNEL AMP: 2 Channel amplifier with Low noise pre amplifier with Rugged MOSFET pulse width modulation power supply; Series A/B car amplifier; Maximum low voltage signal from the source unit comes into the amplifier circuit with minimal distortion

INPUTS/OUTPUTS: Low level RCA inputs and outputs; Audio inputs: Unbalanced inputs (RCA) Audio outputs: Line output (RCA)

1 channel x 2,500 watts @ 2 ohms

1 channel x 1,250 watts @ 4 ohms

Operates in mono mode only

Competition Grade Class D Monoblock Amplifier

Peak Power at 1 Ohm: 11,000 Watts | RMS Power at: 5,480 Watts.

Stable at 1 Ohm, Frequency Response: 15 Hz to 250 Hz

Don’t just make your system louder - make it clearer. Make it better.

Press the selector, and the microphone goes to work. The KEY uses a powerful internal computer to deliver dramatic improvements in realism and soundstage.

A massive 40-band equalizer improves tonality, and a 24dB crossover re-defines the capabilities of each speaker.

DS18 GEN-X4500.1D has the following RMS power: at 1 Ohm 1500 watts / at 2 Ohms 900 watts / at 4 Ohms 500 watts - THD Distortion 0.08%

Designed, Engineered, Developed, and Quality Controlled in the USA - Minimum THD at Rated Power: 98dB. Under Voltage Protection at 10V. Over Voltage Protection at 15V. Bass Frequency Response: 30Hz - 80Hz. Fuse Rating 40A x 4

High-Speed MOSFET Power Supply Optical Coupler Class "D" Technology. Fully Adjustable 12dB / Octave Crossover with Differential Circuitry. Low Pass Filter: 40Hz - 180Hz. Subsonic Filter: 17Hz - 50Hz. Phase Control Switch. Full IC-Controlled Protection Circuitry. Remote Dashboard Subwoofer Control. Fully Adjustable 12dB Bass Equalizer. Mute and Delay Soft Start System.

COMPACT DESIGN: Digital class D Brazilian technology allows this amplifier to have a small footprint by integrating a high-speed mosfet power supply with top of line transistors to ensure performance in a small heat sink without compromising performance. Dimensions: 8.11″ depth x 8.11″ width x 2.60″ height

POWER: This amplifier is designed to run your stereo system with the power it needs to perform! 1200 Watts maximum dynamic RMS power output of 4x 300 Watts at 2 Ohms per channel. Its high efficiency rate of 84% provides more power with less battery consumption.

BRIDGEABLE: Double the power output to your speakers by bridging two channels. Minimum impedance of 4 Ohms per bridged channel at output power of 2 x 520 Watts RMS

POWERFUL SOUND: Deliver powerful sound to your speakers and subwoofers with this Super D Class, 4,000-watt, mono car audio amplifier; Wired bass remote included

OPERATION: Control your sound with mono only operation, variable electronic crossover, and electronic equalizer capabilities; Monitor overload and speaker short protection with illuminated indicators on the amplifier end panel

OUTPUT TECHNOLOGY: Ultra-Fi MOSET output device technology and classic Hifonics aluminum construction for powerful sound, efficient cooling, and minimal distortion

CLASS Q1 AMPLIFIER - MB Quart's Class Q1 offers the efficiency of today's D-Class with increased engineering to focus on sound quality from the power supply through the output devices (FLUID-FETS). Mono only operation mode.

COMPLETE SOUND CONTROL - Variable electronic crossovers allow for complete control of amplifier output with on-board electronic crossover to tailor specific frequencies to speakers and subwoofers. Check specs for specific frequencies for this amp.

HI LEVEL INPUTS - The DC Signal Sense switch allows the amp to turn on when a signal is received on the RCA inputs, so an amplifier remote turn on wire is not needed to turn on the amplifier (this feature can be turned off).