Rockford Fosgate R500X1D Prime 1-Channel Class D Amplifier

Rockford Fosgate is one of the quality brands that you can trust for quality and powerful amplifiers. So, if you are considering to upgrade your auto audio system, you can get Rockford Fosgate R500X1D. This is one of the best competition amplifiers that you can find without breaking your bank. This mono amplifier for car has a rating of 500 watt.

This amplifier has many excellent features that contribute to a powerful performance. The unit CEA-2006 compliant and features a remote bass control. Let us have a deeper look at this rockford fosgate amp 500 watt so that you can decide if it is suitable for you.

Overall Design

The first thing that will attract your attention when you have a glance at the rockford fosgate prime r500-1d is the design. From its looks, you can be sure that you are dealing with a quality product. It features a nice black design that gives it an attractive look. The amplifier is well-built with controls and connectors grouped together.

Frequency Range

The rockford fosgate amp provides you with a comfortable frequency of 20Hz up to 250Hz. As compared to other models, this is one of the most flexible unit that you can find out there. Additionally, you will enjoy +18db boost that is provided by on-board EQ.

Compact Size

This is a small amplifier that provides excellent performance. Installing the amp is easy, and if you have handled car amplifiers before, then you will not have problems. When you have plugged everything the right way, it is ready for use. I know you will be impressed with the sound quality of this amp.

Standard Sync Design

One of the most important things that you need to note when you are dealing with almost any amplifier is the heat. This counter this common problem, Rockford Fosgate R500X1D amplifier features a heat sync design that does a fantastic job in dissipating the heat away from the unit. On top of that, if you have a thermal sensing technology, then you can be sure that the amplifier cannot overheat.


Other essential features that you will find on this amplifier is short circuit protection and over current protection.


  • Features a compact and durable construction
  • The amplifier has 4 gauge power connectors
  • Provides loud and clear sound
  • Great amplifier for the price
  • It produces less heat
  • Gives your subwoofer more power
  • It doesn’t consume more power


  • It doesn’t have mounting hardware
  • Doesn’t come with a manual


  • Q: Is this amp 4 or 8 awg power and ground
  • A: 4 guage all the way, snug as a bug.
  • Q: Does this amp come with the remote and the remote sold separately?
  • A:The amp comes with the remote gain control which is wired and it also has separate gain control on it.
  • Q: Is this 1 ohm stable?
  • A:No it is not, at 1 ohm it will clip and shut off.

Checkout also>> Subwoofers

Final Verdict

Finding a quality auto amplifier at an affordable price can be a daunting task. The Rockford Fosgate R500X1D is a distinguished amplifier that provides you with quality sound. This compact amplifier is easy to install and features a strong construction. On top of that, it features a high-efficiency design to minimize current consumption. You can install this amp in your car and enjoy listing to some quality music when you are driving.

Joe Carrow

I'm Joe Carrow, a specialist in Automobile audio systems. I have more than 10+ years of working experience in these relevant areas. Always I research and love to learn new things. I publish my research knowledge regularly, So, if you are concerned about your vehicle's audio/sound system or musical instruments, I suggest you checking! Thank you.