Car Subwoofers

Best 8 Inch Subwoofer 2021- Buyer's Guide

Mike Cross
Updated Dec 27, 2020

The 8 inch subwoofer is probably the smallest sub in terms of size  currently available in the market. There has been a never ending debate on whether or not a bigger subwoofer is better than a smaller one.

There are tons of variables to consider before making a concrete decision. In any music environment there are highs, mids and lows. Highs are considered treble, mids are usually vocals and snares and the subwoofers comes in for the lows.

Bass is not directional, which means that anywhere there is bass you can hear it from. To add bass to a car stereo , the subwoofer is integrated into the car system.

Installing a subwoofer can help lighten the load on your car stereo  speaker by letting  you play them flat using the subwoofer to pick up on all those really low frequencies.

Subwoofers come in all shapes and sizes. There are small subwoofers that you can fit under a seat and there are also big subwoofers that can take up the entire trunk. If you want some bass in your car then the 8 inch subwoofer comes highly recommended. Obviously the bigger the subwoofer the more power you are going to need to make it move. Amplifiers are always going to be needed when you add a subwoofer. We recommend checking here for  amplifier's buying guide.

8 Inch Speaker Buyer's Guide

  1. JL Audio 8W3V3-4 8" Single 4-Ohm W3V3 Series Subwoofer

This  8 inch subwoofer has to be one of the best ever built by JL Audio.  JL has a solid reputation  when it comes to the quality and power and the JL Audio 8W3V3-4 8 is no exception.

If you are cramped for space and still looking for max power, this subwoofer comes in handy. You get excellent SQ without having to worry about distortion with absolutely low frequency. Getting a good amp will ensure you get the most out of the this amp.


  • Low carbon steel & bottom plates
  • Designed to optimize SPL performance
  • 5" high roll foam surround
  • High excursion spider design
  • Dual 4Ω voice coils
  • 100oz ceramic ferrite magnet
  • 8"
  • 1,200W max
  • 600W RMS

2. CT Sounds Tropo 8 Inch Car Subwoofer 250w RMS Dual 4 Ohm

This 8 inch subwoofer is the perfect combination of durability and performance driven sound. The first thing you notice about the CT sounds Tropo subwoofer is the white heavy duty basket which gives a clean look and it stems still to allow for increased durability.

The double stack magnet let you feed this subwoofer some serious power. It is designed to withstand extreme heat conditions with the 2 inch voice coil which aids in heat dissipation and helps you play the subs for long listening sessions.

Having a paper cone creates a clean and clear sound which compliment any genre of music. The quality cotton spider will keep the treble intact when the bass is hitting the hardest.


Size: 8”

Cutout Diameter: 7.2”

Overall diameter: 8.4”

Nominal impedance:2 ohm

Power handling: 250W rms, 500W max

Voice coil diameter: 2” (50.8 mm)

Fs:  51.550 Hz

SPL: 82.3 dB

Xmax (mm): 12.5

Mounting depth (in): 4.6

3. Skar Audio VVX-8v3 D4 800 W Max Power Dual Voice Coil Subwoofer, 8" H

It utilizes a highly rated paper cone and impresses how it performs musically and is also SPL oriented. This sub can take a lot of power without cracking. You will be impressed particularly if you have space constraints in your vehicle.

It also boasts of adaptability to handle low frequencies really well. You can play for extended periods of time without stretching the subs all thanks to the high grade copper voice coil.


Dual 2 Ohm Voice Coil Configuration

Peak Power : 600 Watts

RMS Power : 400 Watts

Competition Grade Pressed Paper Cone

High Roll Foam Surround

2" High Temperature Copper Voice Coil

Frequency Response : 55 - 500 Hz

Sensitivity : 82.3 dB

Fs : 44.8 Hz

Re : 4.3 Ohms

Qms : 5.99

Qes : 0.59

Qts : 0.54

Mms : 131.4 gr

Nref : 0.08 %

Cms : 0.10 mm/N

Bl : 15.8 n/a

Vas : 5.4 L

Xmax : 13 mm

4. Massive Audio Hippo-84 8" Hippo Series High Power Car Audio Subwoofer

This 8 inch subwoofer is designed to handle lots of power while working efficiently to produce detailed sound with very limited distortion.

It comes with a woven fibre cone which provides  a beautiful balance of sound quality and power. The cone assembly is optimized to produce a full spectrum of low frequencies that will sound great with most speaker setups.

Built with a high roll Thom surround on the outside, these woofers offer excellent tone control with high amounts of excursion for enjoyable deep and articulate bass response.

The binding push terminals ensures strong connections that won't tumble under heavy abuse.


8" Dual 4 Ohm Hippo Series Subwoofer

Power Handling:

Peak: 1000 watts

RMS: 500 watts

Impedance: Dual 4 ohms

Kevlar fiber reinforced non-pressed paper cone with industrial textured finish

Stitched edge to the cone for added strength

Heavy die-cast alloy baskets

Over sizes mirror image dual poly / nomex spiders

Push pin banana style terminals

Black anodized one piece pole-plate for added motor force

Reinforced fiberglass woven dustcap for high power applications

Flux Ferrite Y40 Magnet

Sensitivity: 88 dB

5. Rockford Fosgate P2D4-8 Punch P2 DVC 4 Ohm 8-Inch 250 Watts RMS 500 Watts Peak Subwoofer

Rockford Fostage is one of the industry leaders in all things car audio and they don't disappoint with their 8 inch subwoofer.

Rockford punch subwoofers are designed to deliver serious bass with unsurpassed intensity and  relentless punch. The first thing you will notice  when handling the subwoofer is its obvious lasting durability and strong built quality.

Its patented technology significantly increases the subs rating in the cone area up to 25% to allow more output, increased efficiency and bigger bass. Its basket increases strength and minimizes weight.

It has unique integrated spider venting on the sides of the basket and energized aluminium voice coil format. The subwoofer is easy to mount allowing for easy installation.


8" subwoofer with dual 4-ohm voice coils

Kevlar® reinforced paper cone

Santoprene surround

hybrid StampCast basket provides strength while minimizing weight and resonance

power range: 75-250 watts RMS (500 watts peak power)

frequency response: 39-250 Hz

sensitivity: 83.3 dB

top-mount depth: 4-13/16"

sealed box volume: 0.2-0.3 cubic feet

ported box volume: 0.65 cubic feet

warranty: 1 year

What You Get In The Box:

One 8" Dual 4-ohm voice coil subwoofer

Trim ring

Eight 1-1/8" Allen head screws

4mm Allen head bit

Installation/Operation manual

6.Pioneer TS-SW2002D2 8-inch Shallow-Mount Subwoofer with 600 Watts Max Power

Having 3 or more subs playing full blast while driving is a lot of fun but contrary to popular believes, this 8 inch subwoofer offers more than 'noise'. Pioneer does an excellent job with the built quality of their subwoofers and a good price point. The 8 inch has a 3 inch mount which is great if you don't have a lot of space to play with.


8" shallow subwoofer with dual 2-ohm voice coils

mica-injected resin cone

handles up to 150 watts RMS (600 watts peak power)

works in free-air applications

frequency response: 20-200 Hz

sensitivity: 86 dB

mounting depth: 2-5/8"

box volume: 0.5 cubic feet

warranty: 1 year

What You Get In The Box:

One 8" Pioneer shallow mount subwoofer

Six 1-1/8" Self-tapping screws

Adhesive backed foam gasket

Manual (English/ French/ Spanish/ Portuguese)

Warranty information.

  1. JBL BassPro SL 8" Powered Subwoofer Enclosure System

This 8 inch subwoofer by JBL is a loaded powered subwoofer enclosure featuring an 8inch sub and an efficient class D amplifier built right in. It was designed to be installed underneath the seat leaving you with plenty of cargo space in your car.

The black finish gives you a modern look which blends in nicely with most vehicle interiors. It is rated at 250 watts max and 125 power RMS. This means this unit is going to give you the bass you need to round up your vehicle sound.

If you are looking to add more bass to your car but don't have the room for the bulky amps and subs, the JBL Bass pro SL 8 comes in handy.


powered subwoofer with heavy-duty ABS plastic enclosure

8" shallow-profile woofer

Class D amplifier (125 watts RMS)

low-pass crossover variable from 50-120 Hz at 12 dB per octave

bass boost (0 to +9 dB at 70 Hz)

speaker and line-level inputs

frequency response: 35-120 Hz

dimensions: 13-9/16"W x 2-7/8"H x 10-1/16"D

warranty: 1 year

What you get in the box:

Amplified subwoofer

20-amp ATO fuse (installed)

7" Speaker level input harness

Four 2-1/2" Mounting screws

3mm Allen head bit

Quick start guide

Mike Cross
Life is too short to drive with stock audio

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