12 Best 300 Watt Car Mono Amplifiers Of 2022: Top Picks

300 watt car and boat car amplifiers doesn't get much better than this. You get all the cosmetics, styling, and performance of a high-end rig in an affordable package.

The best 300 watt car mono amplifiers for all types of vehicles, from truck and van to SUV and luxury car. Get the best amplifier for your vehicle with this guide.

Review: Top 12 Best 300 Watt Car Mono Amplifiers

Dahlia West By, Dahlia West
  • JBL Mono, 300w x 1 Amplifier
  • Compact size
  • High and low level input
  • Class D MOSFET Monoblock Power Amplifier
  • Stable at 1 ohm | Remote Subwoofer Level Control Included
  • Featuring 4-Way Protection Circuitry and 8 AWG Power & Ground Input Terminals for Maximum Current Flow
  • Optimized 563-watt RMS and a max output power 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
  • Compactly built so this amplifier can fit perfectly into any trunk
  • 1500W Maximum Power Monoblock Amplifier
  • 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). 4 Ohm: 200 Watts x 1 Channel.
  • Frequency Response: 15 Hz - 250 Hz. Damping Factor: >60 @ 100Hz. Optical Coupler Class “D” Technology. Fully Adjustable 12dB / Octave Crossover with Differential Circuitry. Low Pass Filter: 50 Hz - 250 Hz. Subsonic Filter: 15 Hz - 55 Hz. Phase Control. Full IC-Controlled Protection Circuitry.
  • Peak: (Use these ratings when comparing with great brands such as Boss, Power Acoustik, etc). 4 Ohm: 800 Watts x 1 Channel. High-Speed MOSFET Power Supply. Minimum THD at Rated Power: <0.1%. S / N Ratio: >90dB. Under Voltage Protection: 10V. Over Voltage Protection: 16V.
  • With PBTL/SUB switch: convenient to use G2 PRO as full frequency amp or subwoofer amp, a SUB output is specially designed for active subwoofer. G2 PRO can connect to both passive and active subwoofers. And two G2 PRO can be used to drive left and right channel independently to avoid mutual interference.
  • Max 300W output power: using TPA3255D2 amp chip and equipped with 32V/5A large power supply, enough to drive 320W passive speakers or subwoofers. It also has a good match with outdoor/ bookshelf/ computer/ desktop /ceiling /floor standing speakers.
  • Best design and HiFi sound: with a gain switch to allow 2-level of output level setting (32/36 dB) and SUB frequency adjustment (40-300Hz). It also has built-in speaker protection circuit, low-pass filter to guarantee no audible noise even at high power output, SUB signal and amp can output at the same time to bring HiFi listening experience.
  • Hi-Volt input level control
  • Automatic signal sensing and Turn-On
  • Balanced isolator input circuit
  • Full Range - With A Full Range Amplifier You Not Only Have The Option To Run Your Speakers, But Also Your Subwoofers
  • Power - 100 Watts Max X 4 @2-Ohms, 50 Watts Max X 4 @4-Ohms
  • 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

How to Choose The Best 300 Watt Car Mono Amplifiers for You?

Check out our buyer's guide to get some tips on choosing the right Digital Car Mono Amplifier. Choose the right channels and power outputs for your applications using this amp purchasing guide. The number of channels that your vehicle amp needs depends on how many speakers you have in your vehicle's audio system. 

While single-channel and dual-channel amplifiers are plenty enough for car sound systems, there are 4-channel amps that are ideal for dual pairs of speakers. Monoblocks, or single channel amps, are not amps that will generally be suitable for a full-range car audio system. They are more affordable but do not always provide the wattage that you might need. A quality car amp acts like the battery pack for your aftermarket speakers and subwoofers, since your cars battery alone will not have control over the inputs and outputs, which can cause the battery of your car to run low quickly, or to blow out an entire new speaker setup. 

This car amp helps you to easily power large subwoofers. If your budget is not so high, and you are looking for an amplifier that offers all decent features, this JBL-made 4-channel amp will do a great job. The Planet Audio monoblock car amp has the maximum output of 1100W, making this one a pretty solid piece for upgrading your car audio setup. You can use this amplifier also in a mono mode, and as stereo amplifiers for your subwoofers and speakers, if applicable. 

Mono amplifiers are best at providing lots of power in one channel for a subwoofer. In other words, the mono-channel amplifier is best for when you are using an amplifier to drive the subwoofer. If you are adding a subwoofer to your audio system, the single-channel amplifier (or mono) is what is going to power the subwoofer. When you are ready to add some thunderous bass to your car's sound system, it is time to invest in a monoblock amp that powers your subwoofer. 

Check out Boss Audio Systems R1100M monoblock car amp if you are looking to see a dramatic boost to the performance of your subwoofers. Check it out for assistance with choosing the best amp for your application. Choosing the best power amplifier for your vehicle, home sound system, or professional audio application can be a daunting task. Consider this guide, as well as all the things you should know about car amps, to help you make a thoughtful decision when it comes time to purchase a new high-power car amp. 

Now that you know the basics about choosing an amp, reach out to your local car audio specialist to get assistance in installing a better amplifier that will boost the audio output in your car's stereo. To pick out the best bass tubes and amps for a car, things to look at are channels (how many), output power, durability, soft start, a low-high filter, short-circuit protection, and an easy installation method. Monoblock amps are used more commonly in automotive audio systems, as well as in higher-end audiophile systems, which benefit from isolation from individual amps that areper-channel.


Car Mono Amplifiers Type

Car Mono Amplifier Price

Featured Topics


0 ratings
Dahlia West By, Dahlia West