The Best Class-ab Car Multichannel Amplifiers of 2023

700W 5-Channel Class-AB + D Amplifier

4 Ohm: 60 watts x 4 ch. + 275 watts x 1 ch. | 2 Ohm: 90 watts x 4 ch. + 450 watts x 1 ch. | 4 Ohm Bridged: 180 watts x 2 ch.

Frequency Response: 20Hz - 20,000Hz (Main Channels) + 20Hz - 250Hz (Subwoofer Channel) | High Pass Filter (Variable): 40Hz - 250Hz 12dB/Oct | Low Pass Filter (Variable): 40Hz - 250Hz 12dB/Oct

Subsonic Filter (Variable): 20Hz - 50Hz 12dB/Oct | Bass Boost (0 - 12dB): 45Hz

Includes Remote Bass Knob

Power - 450 Watts Max x 4 @2-Ohms, 225 Watts Max x 4 @4-Ohms, 900 Watts Max x 2 Bridged @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

Full Range - With a Full Range amplifier you not only have the option to run your speakers, but also your subwoofers

Mosfet Power Supply - A MOSFET is basically 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

Variable Gain Control - The gain control is not for adjusting volume. It simply adjusts the amount of signal that is coming from your receiver and going to your amplifier

Variable BASS Boost - With Variable Bass Boost you have the control of exactly how much BASS you want to pump out to your subwoofer(s)

Bridgeable - Dramatically increase the power output to you speakers and subwoofers by connecting two amplifier channels

Specs - Dimensions: 13.5” x 10.31” x 2.25, Weight: 12 lbs.

Warranty - BOSS Audio Systems provides a powerful 6-year Platinum Online Dealer Warranty so long as the purchase is made through Amazon.com. We strongly encourage professional installation of this product to ensure proper and safe functionality

TRUE RMS WATTS POWER: Full Range powered amplifier delivers an impressive 13.8V 280W RMS @ 4-ohms - 400 W RMS @ 2-ohms - 420 W RMS @ 4-ohms Frequency response: 20Hz - 20KHz

HIGH & LOW-PASS CROSSOVER: Variable: (HPF) 120Hz - 3kHz Variable: (LPF) 50Hz - 250Hz Subwoofers reproduce sound based on a number of different range frequencies. Set the exact sound specifications for the bass frequency reproduction

MULTICHANNEL: This amplifier has up to four (4) channels for you to increase sound quality and clarity for your speakers or subwoofers

CLASS AB: Our technology makes this amplifier extremely efficient by increasing sound quality and power output while reducing distortion

BASS BOOST allows you to adjust the low bass within the boost range to just the way you like it

Show your friends you can do 70 mph down the highway with the windows down and still have crisp and clean sound over the wind noise with this car speaker amplifier

Small footprint and compact chassis makes this amplifier easy to install in any vehicle or 4ch amplifier car audio application; but don’t let the size fool you, this 4ch car amp produces amazing sound quality

MOSFET pulse width modulated power supply, premium components, and proprietary heat dissipation design will ensure the four channel car amplifier runs cool for even the most demanding playlists

4-way protection circuitry features high voltage, low voltage, over current, and high-temperature protection for your car stereo power amplifier

Car stereo amplifier with 110 watts RMS at 2-ohm load x 4-channels (14.4v); 80 watts RMS power at 4-ohm load x 4-channels (14.4v); 160 watts RMS at 4-ohm bridged x 2-channels (14.4v)

Features – The 4 channel bass boost amplifier has features like - Frequency Response: 40HZ-5000HZ, Distortion < 0.5%, Bass Boost, SNR: 95DB, Remote Bass Knob, 2-way protection, RCA Inputs & Outputs

Quality - This Class A/B 4 channel amplifier exhibits quality frequency response rates and crossover network which places this amp at a prominent place. Durable design and highly efficient performance makes this subwoofer amp for car speakers stand out amongst the others.

Power – This Class A/B 2200 watt Amplifier has a power rating distribution as followed 4 X 133 WATTS RMS @ 2 OHMS, 4 X 100 WATTS RMS @ 4 OHMS, 2 X 256 WATTS BRIDGED @ 4 OHMS. The 4 channel amplifier for car speakers also provides a 2-way protection circuitry as a part of its design.

Low/High Level Inputs – The multichannel amplifier for car speakers come with low/high level inputs. A low level (RCA) input is measured in voltages. A high level (+/- wire) input is measured in wattages. Both essentially carry signal from your receiver to your amplifier to your speakers

Class A/B – This multichannel subwoofer amplifier exhibits a Class A/B topology. In the presence of no audio signal, Class A Amplifier has a high amount of current flowing in its output while Class b amplifier has no current flowing.

Features – The 4 channel bass boost amplifier has features like - Frequency Response: 10HZ-30KHZ, Remote Bass Knob, 2-way protection, hi/low pass crossovers, hi/low level inputs, MOSFET Power Supply, Thermal Protection, Gain Control, 2 Ohm Stable

Class A/B – This multichannel subwoofer amplifier exhibits a Class A/B topology. In the presence of no audio signal, Class A Amplifier has a high amount of current flowing in its output while Class b amplifier has no current flowing.

Quality - This Class A/B 4 channel amplifier exhibits quality frequency response rates and crossover network which places this amp at a prominent place. Durable design and highly efficient performance makes this subwoofer amp for car speakers stand out amongst the others.

Power – This Class A/B 2500 watt Amplifier has a power rating distribution as followed 625 X 4 MAX @ 2 OHMS. The 4 channel amplifier for car speakers also provides a 2-way protection circuitry as a part of its design.

Low/High Level Inputs – The multichannel amplifier for car speakers come with low/high level inputs. A low level (RCA) input is measured in voltages. A high level (+/- wire) input is measured in wattages. Both essentially carry signal from your receiver to your amplifier to your speakers

1500W Maximum Power Full-Range Amplifier

Optimized 150-watt RMS output and a max power output of 1500 watts, you can give your music a huge boost in power that will have you and your passengers partying while on the road

This slim amplifier fits perfectly into any trunk so you can easily connect it to your stereo system

Power - 300 watts max x 4 @2-Ohms plus 5th channel 600 watts max x 1 @2-Ohms, 150 watts max x 4 @4-Ohms plus 5th channel 300 watts max x 1 @-4-Ohms, 600 watts max x 2 bridged @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

Full Range - With a Full Range amplifier you not only have the option to run your speakers, but also your subwoofers

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

Low & High Level Inputs - A low level (RCA) input is measured in voltages. A high level (+/- wire) input is measured in wattages. Both essentially carry signal from your receiver to your amplifier to your speakers

Variable Bass Boost - With Variable Bass Boost you have the control of exactly how much BASS you want to pump out to your subwoofer(s)

Bridgeable - Dramatically increase the power output to you speakers and subwoofers by connecting two amplifier channels

Specs - Dimensions - Depth 19.7” x Width 10” x Height 2.4”, Weight – 14 lbs.

Features – The 4 channel bass boost amplifier has features like - Frequency Response: 10HZ-30KHZ, Remote Bass Knob, 2-way protection, hi/low pass crossovers, hi/low level inputs, MOSFET Power Supply, Thermal Protection, Gain Control, 2 Ohm Stable

Class A/B – This multichannel subwoofer amplifier exhibits a Class A/B topology. In the presence of no audio signal, Class A Amplifier has a high amount of current flowing in its output while Class b amplifier has no current flowing.

Quality - This Class A/B 4 channel amplifier exhibits quality frequency response rates and crossover network which places this amp at a prominent place. Durable design and highly efficient performance makes this subwoofer amp for car speakers stand out amongst the others.

Power – This Class A/B 2500 watt Amplifier has a power rating distribution as followed 875 X 4 MAX @ 2 OHMS. The 4 channel amplifier for car speakers also provides a 2-way protection circuitry as a part of its design.

Low/High Level Inputs – The multichannel amplifier for car speakers come with low/high level inputs. A low level (RCA) input is measured in voltages. A high level (+/- wire) input is measured in wattages. Both essentially carry signal from your receiver to your amplifier to your speakers

2 Ohm Stable Operation & Soft Turn On Circuit

Thermal and Speaker Short Protection Circuitry

Heavy-Duty Aluminum Alloy Heatsink | Class A-B Operation

Remote Turn-On / Turn-Off Circuit

LED Power and Protection Indicators