11 Best 8 Inch Subwoofers for 2022

Keelan Balderson Image
Keelan Balderson

Updated: August 02,2022

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Want to replace the factory speakers in your vehicle but don’t have a ton of space? A small powerful subwoofer is the ideal solution. We’ve narrowed down the search to 11 standout models, so you can find the best 8-inch subwoofer for your hatchback.

We looked at:

  • Power and sensitivity
  • Voice coil
  • Frequency response
  • And build quality

Check out what we found:

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Rockford Fosgate P3SD2

Brand: Rockford
Mounting Type
Shallow Mount,Car
Dimensions
9.8 x 9.8 x 5.3 inches
Optimized for
Sealed and vented enclosures
Power Handling
150 Watts RMS / 300 Watts Max

At Amazon

Price

209.99

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The P3SD2 provides an immediate bass upgrade thanks to its anodized aluminum cone. It’s also nice and powerful - performing consistently at 150 watts, with a peak of up to 300 watts. Sound quality certainly beats any factory speaker and only improves over time. It sports a dual voice coil at 2-ohms, which does a great job of managing heat when listening for extended periods of time. It also comes with high-quality stitched tinsel leads to maintain performance. You’ll find this Rockford Fosgate model ideal for cars with little speaker room. Unlike other 8-inch car subs, it has a particularly shallow mount. Pick it up for $209.99.

Alpine Electronics PWE-S8

Brand: Alpine
Power handling
240 watts
Frequency response
32Hz-150Hz
Inputs
Pre-Amp and Speaker-Level
Power Rating
120-watts RMS/ 240-watts Peak Power

At Amazon

Price

329.99

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This $300 box-style 8-inch powered subwoofer has the convenience of quad voice coils. This allows for multiple wiring options to best suit your other components. It also has its own power amplifier, so there’s minimal installation. It delivers up to 240 watts, while comfortably producing 120W on average. Moreover, its frequency range is between 25 and 152Hz. This all results in accurate and punchy bass, which can be remote controlled to 20dB. You really can’t tell the difference between this and some larger 10 inch models. The PWE-S8 easily fits behind or under your vehicle’s seat or in the hatch.

Pioneer TS-SWX2002

Brand: Pioneer
Peak power
600W
Dimensions
8.39 x 14.69 x 12.6 inches
Weight
11.4 pounds
Frequency range
Between 20 and 200Hz

At Amazon

Price

139.95

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Pioneer’s 8-inch car subwoofer supports lots of power. It manages an average of 150 watts, while peaking at a thumping 600W. This is further supported by a loud 86dB volume sensitivity and one of the widest frequency ranges on the market for bass - between 20 and 200Hz. These excellent specs come together for clear sound that travels far, whatever the sub’s positioning. The sub comes with a bass reflex enclosure made of fiberboard and a carpet finish. Its mica-injected resin cone is designed to pump some serious air. At just 5.5-inches deep, it’s a versatile piece of kit.

Infinity Kappa 800w

Brand: Infinity
Dimensions
10.59 x 10.51 x 7.2 inches
Sensitivity
89dB
Maximum Output Power
1600 Watts
Weight
9.84 pounds

At Amazon

Price

96.95

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Our pick for the most powerful 8-inch subwoofer goes to Infinity’s Kappa Series. This perfectly engineered cone has a 400W RMS and can reach 1,600 watts at peak performance. It also has one of the highest sensitivities. Quite staggering for such a compact design. Furthermore, its selectable impedance supports any system you desire. Just use the switch to choose between a 2 or 4-ohm configuration. There’s no confusing wiring, allowing you to upgrade and reconfigure as you go. Overall, the sound remains distortion-free due to an acoustically damped glass-fiber and steel holder. What’s more, each woofer is just $96.95 each.

Planet Audio AC8D 8" Car Subwoofer

Brand: Planet Audio
Power Handling
1200 Watts
Mounting Depth
4” (101.6 mm)
Trim ring
Customizable
Impedance
4 Ohm

At Amazon

Price

36.99

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Crisp bass and high-performance dual 4-ohm voice coils define the AC8D by Planet Audio. Sit back and enjoy the clarity of hard-hitting low frequency effects. All at a fraction of the usual cost! They work best as a pair, blasting out a combined 2,400 watts, at a sensitivity of 84dB and 35Hz resonant frequency. It’s one of the more stylish designs we’ve reviewed, benefitting from a poly-injected material and customizable trim rings. It’s also our pick for best low price subwoofer. You can grab a single speaker for less than $40.

Massive Audio GTX84

Brand: Massive Audio
Impedance
Dual
Mounting Type
Car
Impedance
Dual 4 ohm
Speaker connectors
5-way binding nickel plated

At Amazon

Price

104.99

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These rugged looking cones with red stitching are some of the best small subs when it comes to appearance. The GTX84 combines a steady 400W RMS and 4-ohm copper voice coil, with dual-stacked Y30 90oz strontium ferrite magnets. Furthermore, it’s sensitive to 88dB and has a resonance of 46.2Hz. The build quality is also impressive. Even some of the best compact subwoofers are flimsy and prone to damage. Massive Audio, however, comes through with a heavy gauge steel basket, poly cotton spider, rubber gasket, and UV treated EROM foam. It packs a high-performance punch at a price of just $104.99.

Skar Audio VVX-8v3 D2 8"

Brand: Skar Audio
Impedance
Dual 2 Ohm
Voice coils
Dual
Peak Power
800 Watts
Sound
Clear

At Amazon

Price

99.99

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If you’re looking for an 8-inch woofer that can pass for a 10 or even 12-inch model, Skar Audio’s VVX-8v3 should be high on your list. It sports a heavy-duty butyl rubber surround, which houses dual 2-ohm voice coils. Power peaks at 800W with an RMS of 600W, while its sensitivity sits at 82.3dB. As far as real-world sound quality, you can expect it to hit low and hard without distortion. The surprisingly loud output is sure to turn heads. For well under $100, it’s great.

Sundown Audio SA V3

Brand: Sundown Audio
Resonance Frequency (Fs)
40.0
Weight
27 Pounds
Sensitivity
82.711w / 1m
Maximum Output Power
500 Watts

At Amazon

Price

230.99

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We rank the SA V3 from Sundown Audio as the best 8-inch subwoofer for car audio quality. For around $200, it has an almost distortion-free design which utilizes a custom motor and dual faraday rings. Its unique frame supports a larger spider than most subs in this category, while the tied tinsel leads parse 500 watts of RMS power. Others might peak higher, but the SA V3 is more consistent. A 2-ohm aluminum voice coil and copper wire are about as efficient as driver cooling systems can get. This, alongside a sturdy cast aluminum frame, means long-lasting results.

Rockville RW8CA 8" Under-Seat Active-Powered Car Subwoofer

Brand: Rockville
Peak Power
600 Watts P
Input Sensitivity
Adjustable
Bass Boost
0 - 18dB @ 45Hz
Frequency Response
20Hz - 150Hz

At Amazon

Price

330.48

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This $135 subwoofer with a built-in amp is ready to slide straight under your car seat in a fantastic speaker enclosure. It measures just 2.7-inches thick. Moreover, Rockville uses durable metal and a cushioned top. Excellent engineering means you won’t experience overheating, overloading, or short circuiting. Users can easily tweak the sound to their preferences, thanks to a brilliant range of controls. These include volume, phase control, and bass boost. Moreover, a subsonic filter handles low frequencies, while a low pass crossover filter produces a superb range of 20 to 150Hz. It has a class-leading 100dB sensitivity. Get this if you want hassle-free installation and reliability.

Pyle PLPW8D Power Series

Brand: Pyle
Price
Affordable
MOUNT DEPTH
3.7”
RMS
400W
Weather-proof
Yes

At Amazon

Price

19.88

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At just $20.99, Pyle’s PLPW8D is one of the best compact subwoofers for the price. And it doesn’t lack in performance. Its 1.5 four-layered dual voice coils have some serious kick, producing 400 watts of steady bass without so much as a crackle. A well-vented motor design also ensures high heat-resistance and a long life. It’s well-made and durable, with rubber, plastic, foam, and stitching. Pyle even treats the materials to withstand outdoor environments. Setting up is a cinch due to its spring-loaded push down speaker terminals.

JBL Stage 810

Brand: JBL
Mount depth
6-15/16" (175mm)
Frequency range
Broad
Weight
2 pounds
Peak power
800W

At Amazon

Price

49.95

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JBL is known for its high build quality. The 810, 8-inch subwoofer is no different. It molds the cone from polypropylene plastic and encases it in rubber. The model also meets the HARMAN standard. This means it didn’t just undergo physical stress tests, but also went through double-blind testing to see what listeners prefer. The end-result is a deep and clear bass across a 38 to 200Hz range. It also guarantees a 200W RMS power that can peak up to 800W. Meanwhile, an 88dB sensitivity means things can get really loud. You can get a single subwoofer for $49.95.

Wrap Up

If you’re looking for the best 8-inch subwoofer, our list has something for everyone. There are models that come pre-enclosed, are thin enough to go under a car seat. Some of their specs even rival larger subs! So, even if you’re on a strict budget, you can experience powerful and clear bass sound.

FAQ.


Do 8-inch subs have good bass?

Yes, bass sound represents tones of low pitch, range, and frequencies between 16Hz and 256Hz. 8-inch subwoofers are capable of clear and accurate bass, with frequencies as low as 20Hz and as high as 200Hz. They are much better than regular speakers. Due to their small size, however, they lack the power and volume of larger subwoofers.

Are 8 inch subs good?

Yes, 8-inch subs are great for delivering clean and tight bass in cars or other environments where space is limited. They surpass your average factory-installed bass solutions. Many also compare to lower-end 10 and 12-inch subwoofers. 

Although often associated with car sound systems, subwoofers are also good for home theater setups.

What is the most powerful 8-inch subwoofer?

Overall, the most powerful 8-inch sub we reviewed is the Infinity Kappa 800w. Its power peaks at 1,600 watts. Its Root Mean Square (RMS), however, is 400W. This means it doesn’t maintain its highest wattage consistently. 

The Skar Audio VVX-8v3 doesn’t peak as high but has a higher 600W RMS.

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Keelan Balderson

Keelan Balderson

A qualified journalist and longtime web content writer, Keelan has a passion for exploring information and learning new things. If he's not writing or pushing his own brands, you'll find him watching pro wrestling or trying not to rant about politics online.

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