The 7 Best Car headunit Amplifiers (2023 reviews)

We consider a car headunit amplifier to be a worthy investment in the long run. We are here to help you choose the right one for your purposes from all the best available products in market today.

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Our Top Picks:

Best Overall: Buy: Planet Audio Car headunit Amplifier READ REVIEW

Best For vocals: Buy: Pioneer Car headunit Amplifier READ REVIEW

Best For normal human beings: Buy: Blaupunkt Car headunit Amplifier READ REVIEW

Best For Car Stereo: Buy: Boss Audio systems Car headunit Amplifier READ REVIEW

Best Amp: Buy: Boss Audio systems Boss Amp READ REVIEW

Best For stealthy install: Buy: Sony Car headunit Amplifier READ REVIEW

Best Powerful Little Amplifier: Buy: soundstream Car headunit Amplifier READ REVIEW

Best Overall: Planet Audio Car headunit Amplifier

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The planet audio car headunit amplifier is specially designed for your daily purpose and has plenty of most useful features. It makes your own music rules with the planet audio anarchy ac1500.1m monoblock class a/b amplifier. It is 1500 watts max power, 2/4 ohm stable, class a/b, monoblock, mosfet power supply, remote subwoofer control. The lower the setting the more you will not hear voice thru the subwoofer. It is good for basic bass if you're not too crazy about it.

It's more of a landline phone plug in the amp and volume knob. The amp truly puts out about 700 watts rms. It will handle 2 or 4 ohm speakers is what it means. It is easy to tune and super easy to install.

• Small and compact for tight fit areas
• Block and only has 2 speaker terminals
• Highly recommended for a budget setup

Best For vocals: Pioneer Car headunit Amplifier

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The pioneer car headunit amplifier is capable of outshining several other amplifier featured in this list in overall features for the price point. This amp is a 2-channel amplifier. It is good for all regular 4 ohm car speakers. The amp automatically senses the input mode and powers up in sync with the receiver. It is good for vocals, and then they match power requirements-wise with this amp.

This amp would work great for full range. The amp is stable down to 2 ohm, so you can connect 2, 4 ohm speakers in parallel to both the right and left channels. This can be used for regular speakers as well not just a sub woofer.

• Simple to wire and use, low and high inputs, gain control and low-pass switch
• Manage to also use oem amp wiring with no issues or clipping
• Amplifier can do 2 ohm loads per channel

Best For normal human beings: Blaupunkt Car headunit Amplifier

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Next on the list, we've got yet another amplifier that manages to win our hearts. It's the blaupunkt car headunit amplifier and it's widely considered as amplifier that has the most suitable features. It is a FABULOUS AMPLIFIER. It works decently as a 4 channel x4 speaker amp. There are the tricksters that power the amp with 24 volts instead of 12 volts to get a higher (double) number. It also has a fader to imitate a headunit's front and rear balancing.

The Item is larger than one needs on a motorcycle, both wattage and physically. It is compact and powerful.

• Sounds great and can get real loud
• Runs the front tweeters and all 4 6.5 door speakers
• Plenty of power to drive 6 speakers
• Plenty of power pushing 4 kicker 6×9s

Best For Car Stereo: Boss Audio systems Car headunit Amplifier

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We know from years of feedback from readers, customers and amazon sellers, what most people want in a convenient and appropriate amplifier. The boss audio systems car headunit amplifier is exactly that - it's a simple amplifier that hits all the right notes. It comes with a full range amplifier where you not only have the option to run your speakers, but also your subwoofers. It has a bass boost controller that is a nice option. It will bridge @4-8ohm on a single woofer but can run non bridge @2-8ohm per channel. It simply adjusts the amount of signal that is coming from your receiver and going to your amplifier.

The Anarchy speakers use one 10" Woofer with DUAL 4 ohm 2" Voice Coil. The variable input control allows the amplifier input to match the output signal from the head unit to achieve optimum performance when adjusted properly. The remote line hook up needs to be ran and hooked up to a power source to work properly. It will handle both 2 ohm and 4 ohm speaker load configurations.

• Good clean looking amp, with plenty of clean power
• Never overheats, and packs a hell of an output of watts
• Easy inexpensive way to replace a car amp
• Easy to setup and get going

Best Amp: Boss Audio systems Boss Amp

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We know from years of feedback from readers, customers and amazon sellers, what most people want in a convenient and appropriate amplifier. The boss audio systems boss amp is exactly that - it's a simple amplifier that hits all the right notes. Music is loud and clear when the pontoon is under full power. It is located between the DC power terminals and requires a minimum of 9 VDC to power up the amp. If you measure a “4 ohm” loudspeaker with your multimeter, it will have a DC resistance of somewhere around 3–3.5 ohms. It does definitely need a ground loop isolator if your electrical system is noisy.

This amp has knobs for adjusting channel 1&2 and channel 3&2 to pull it out. It will not power on without squealing. It is a wonderful amp for mids and highs. It is easy to pull the fuse out and get a pair of pliers to pull it out.

• Works great with crossover for mids and highs
• You can hook up the woofer by bridging
• Sounds pretty sweet with $30 50 watt dual speakers
• Watt component speakers and they sound great

Best For stealthy install: Sony Car headunit Amplifier

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The sony car headunit amplifier's material feels more premium than its price would suggest. This powerful class-d amplifier boosts the sound of your factory-fitted car stereo, without changing the look of your dashboard. It fits quite comfortably underneath the drivers seat with a lot of room to spare. The highs are crisp, clear and sound as if the amp is pushing more than rated power. This amp is a must have if you are getting the new Sony Mobile ES, or the Kenwood Excelon Reference speakers.

The Sub is well controlled and delivers the appropriate level of thumpage. The speaker leads are sufficient for auto sensing startup startup. The clarity is outstanding and the smaller size makes it easy to find a place to put it.

• Tested on various input sources and types of music
• Tri-amped configurations with and without subwoofer
• Very lifelike and full bodied sound

Best Powerful Little Amplifier: soundstream Car headunit Amplifier

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If you want nothing less than best desirable amplifier, then soundstream car headunit amplifier is the one you should definitely consider, as it manages to bring a lot to the table. The Picasso AND Tarantula series amps are an excellent foundation to build a loud and pleasing system around. It's powering Biketronic 7.1 up front, and Kicker KRC's in the rear pods. This thing is a wolf in sheeps clothing. It has plenty of power and once. This amp can put out the bass, just be sure to adjust your gains.

The Picasso Nano Class D is much better than the standard Picasso Class A/B amps. It has "balanced differential inputs", not single ends common gnd. It has clean output at high volume. It is great to see soundstream making a come back with good quality, good sounding and powerful amps.

• Running 8 speakers cleanly, and efficiently
• Runs 8, 4 ohm speakers without excessive heat
• Sound was quality, all clear, no feedback or distortion