Top 3 Best Car Subwoofer Under $100 (Tested & Reviewed in 2023)

The idea of connecting a subwoofer to your sound system to improve the sound quality is not new, but it was restricted to the studios or home theater systems. However, Audiophiles should enjoy quality music no matter where they are, even while driving.

Thus, many brands turned to manufacturing the best subwoofer for cars, designed to connect with the existing receivers or amps and boost the sound quality while adding some extra hitting notes of the bass.

This article can help you discover the top-notch car subwoofers by going in-depth on their specs and features, but we have narrowed our research by keeping a certain budget in mind. We believe why spend much when you can do some research and get the best car subwoofer under 100 dollars. Let’s see the top three car subwoofers in the market under budget.

1. Kicker 44CWCD84 CompC Subwoofer

Kicker 44CWCD84 Subwoofer

If you want big power and big bass from a compact device, Kicker 43TCWRT124 is a subwoofer to set in the car. It is an ideal combination of stunning audio performance and value while featuring a 4-Ohm dual voice coil for flexible wiring and sound stability.

The design is aesthetically pleasing to the eyes with black color and standard yellow stitching to make it more attractive. The installation and usage are also convenient; it requires only 3.88-inches mounting depth and a 7-inch mounting diameter in sealed boxes for sub.

The best car subwoofer works perfectly with the sealed enclosure with a minimum of 200W recommended power. However, it rates peak power ratings of 400W and 200W of RMS, thanks to the high-temperature voice coils and satisfactory cooling system.

The solid and compelling construction of the car subwoofer hints at the heavy thump and thrum sound delivery, making you enjoy every bit of the tunes with great clarity and punch. The compelling motor installed in the device delivers the necessary power to the driver, so it never stops running and compromises your entertainment while driving.

It may be a cheap car subwoofer, but the specs installed in the device will never make you compromise the sound quality. It features an injected-molded polypropylene cone and an effective thermal heat management system to ensure the woofer’s durability and effective running.

In addition, other qualities like stamped steel basket, strengthened tinsel leads, and ribbed polyurethane surround in this unit are surprising, making it the top car subwoofer under $100 dollars.

Main Features

  • Thermal heat management system
  • 4-Ohm high-temp voice coil
  • 400W peak power
  • Speaker with spring-loaded
• Attractive appearance with yellow stitching
• Rated at 200 RMS
• Produces kicking bass
• Multiple fixing options
• Lightweight
• Budget-friendly car sub
• A little distortive sound delivery

2. Rockford Fosgate Prime R1S412 R1 12-Inch Car Subwoofer

Rockford Fosgate Prime R1S412 R1 12-Inch Car Subwoofer

Rockford Fosgate is undoubtedly a huge name in the car subwoofer industry and getting a quality subwoofer under 100 dollars from here would be a treat to your car sound system. It gives a perfect speaker upgradation without breaking the bank, and Prime R1S412 r1 12-Inch will always be ready to give the bass punch you need while hitting the road.

It is an incredibly small package subwoofer that produces big bass and claims to handle 300W of peak power and deliver the promised value. The solid stamped steel frame and effective release compression terminals make it run in sealed enclosures. Besides, we cannot forget the highlighting feature: The parabolic polypropylene cone.

Rockford Fosgate is a market leader for a reason, manufacturing something for everyone. The single voice coil design in the Prime R1S412 saves you the trouble of adjusting or maintaining the wire’s flexibility, giving it fewer reasons to break.

Moreover, the 52.47 oz high flux motor is powerful enough to entertain the max power, rating at 150W RMS. It raises the bar by reducing distortion, fighting with the sound system’s heavy lifting, and making the music performance worth listening to. You can feel the low-end bass notes with depth and engage with the music throughout the journey.

So, if you are planning to hit the off-road in the near future with your friends or family, this device you need to fix in your car and widen the soundstage for endless entertainment.

Main Features

  • Delivers accurate stereo imaging
  • Compelling dynamics
  • It Runs 300W @ 4-Ohm
  • 12 AWG compression terminals
  • Single voice coil
• 12-inch lightweight subwoofer
• Produce high-quality sound with accurate bass notes
• Anodized aluminum voice coils
• Seal enclosure optimization
• We were expecting some digital controls and bass presets

3. BOSS Audio CXX8 8 Inch Car Subwoofer

BOSS Audio Systems CXX8 8 Inch Car Subwoofer

Boss Audio can be your go-to brand for getting a high-quality car subwoofer for under 100 dollars. It is a name of perfection from design and construction quality to offering value to money.

Boss Audio System CXX8 is not an exception with an 8-inches subwoofer size, attractive design with a logo in the middle, and impressive features. The CXX8 8-Inch Car Subwoofer’s cone made from polypropylene comes with resilient and durable material that can offer great sound with the benefit of a long lifespan.

A significant portion of the speaker’s energy can be absorbed and transferred by a stamped basket. It resists corrosion well, has good mechanical properties, is very thermally and electrically conductive, and keeps its strength even when heated to high temperatures.

The subwoofer also features a resonant frequency of 49 Hz with a sensitivity of 83 dB. The single 4-Ohm voice coil has enough strength to withstand high temperatures while maintaining the recorded capacity and keeping the overall weight of the sub lower than expected.

You can thus rely on the Boss Audio car subwoofer for countless music listening pleasures in the car. However, it may require some special skills in the installation to avoid any mishap and ensure safe functionality. Other than that, it is a great product to have in the car for upgrading your audio listening standards.

Main Features

  • Max power 600W
  • Solid and resilient cones made of polypropylene
  • Surrounded by rubber so it can perform at max potential
  • Energy absorption by stamped basket
  • High-temperature resistant voice coils
• 8-inches compact sub for car
• Long-lasting
• Not much heavy
• Plug and play
• Great surround sound
• Easy placement on door panels and underneath the seat
• Requires professional installation

Frequently Asked Questions (FAQs)

What is the best car subwoofer under 100?

Rockford Fosgate Prime R1S412 r1 12-Inch is the best car subwoofer that claims to deliver accurate stereo imaging while running at 300W at 4-Ohm. The single voice coil that can withstand high-temperature with an excellent cooling system makes it an attractive choice for heavy usage without spending lots of money.


Expensive car subwoofers may force you to change your mind, but these subwoofers that are not pleasing to the eyes but are a source of countless entertainment on long routes under a tight budget scream for ownership.

Save your time or hassle in finding cheap car subwoofers because we have found some from the industry-leading brands that can make a noticeable difference in your music streaming experience. You can blindly trust one of them and treat your ears with stunning low-frequency notes.

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