Top 10 Best Car Audio Amplifiers 2021

Driving from point A to point B doesn’t have to be bland. You can head off the boredom with top-quality sound. A car audio amplifier is just the thing to make that anemic car stereo sound great. And along with great sound, make sure you find a shop that offers high-quality car stereo installation in San Diego (or anywhere else, for that matter).

To get a better idea of what is available, we’ve put together a list of the 10 best car audio amplifiers for 2021. This is only a sampling of what is available at San Diego Car Stereo.  

Top 10 Best  Audio Amplifiers For Car In 2021

Top 10 Best  Audio Amplifiers For Car


Alpine’s motto is “Emotion in Mobility”. It is fitting. They have been in the business for 52 years and they know what they are doing. Alpine stands for innovation and quality. 


The X-A70F is a 4-, 3-, or 2-channel power amplifier. It provides 175 watts into 4 channels at 2 ohms with a total harmonic distortion (THD) of less than 1%. This is enough power to shake the rafters at a low distortion level. It is a bit pricey at around $650 from most retailers, but it will be worth it to most music aficionados. 


The X-A90V is a 5-channel car amplifier that delivers 500 watts for 1 channel at 2 ohms and 100 watts into 4 channels at 2 ohms. This is done at less than 1% THD. It too has a hefty price tag with a typical price of around $750. If you want the best, you have to pay the piper. 


This 4-, 3-, or 2-channel power amplifier can deliver 80 watts into 4 channels at 2 ohms at less than 1% THD. The price for the S-A32F is excellent at around $200. 


While Infinity may be recognized as a top-notch home audio supplier, they have really shined in the car audio market. They have several high-quality car audio offerings, including in-car audio amplifiers.  

Reference 3004A

Want more muscle without breaking the bank? The Reference 3004A delivers a high-quality 75 watts into 4 channels. You could also use it to deliver 200 watts in a 2-channel mode to drive subwoofers. It is versatile and inexpensive at a typical price of $270.  

Primus 6004A

Coming in at a more modest level is the Primus 6004A. It delivers 60 watts into 4 channels, which is definitely enough to wake the neighbours. It is an excellent combination of quality and value, with a typical price of around $190. 

Reference 10001A

Back on the higher end is the Reference 10001A subwoofer amplifier. Delivering a whopping 1,000 watts, you can easily become of interest to the Pentagon. It is more than enough power for anyone. It comes in the price range of about $430.  

JL Audio

JL Audio was founded in 1975 and went through some growing pains only to emerge as one of the premier suppliers of car audio components. Their car audio amplifiers really shine and rival the best the industry offers.  


The JD400/4 is a great value amp, offering 100 watts into 4 channels at 2 ohms or 200 watts into 2 channels for subwoofers at 4 ohms. It has plenty of features for user adjustments, all at an affordable price of around $230. 


On JL Audio’s higher end is the XD600/6v2. It is a 6-channel amp delivering 100 watts into each of 6 channels at 2 ohms. It can also be configured to provide 200 watts into 3 channels in a bridged configuration at 4 ohms. It costs around $620.  

Memphis Car Audio

Memphis Car Audio has been around since 1965. They are in the heart of Elvis county in central Memphis, Tennessee. Music is their passion, and it shows in their products.  


When it comes to the PRXA1500.1, all one can say is “wow”. It is a single-channel mono amplifier that delivers 1,000 watts at 2 ohms. It is very versatile and can be configured in many ways. All that power comes at a price, as it’s typically around $550.  


The PRXA300.4 is a 4-channel offering with 75 watts for each channel at 2 ohms. Bridged, it can provide 140 watts into 2 channels. The THD is less than 1%, keeping it in line with the finest offerings out there. All of this can be had at a reasonable price of around $340.

Hope you enjoyed reading this post and found the best audio amplifier for your car. Thanks for reading this post here at The Keen Hunter. Stay tuned with us for more such amazing and helpful posts.