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Best 6.5 Inch Subwoofers

You can survive with just a regular set of coaxial speakers. You don’t, strictly speaking, need a subwoofer. But you cannot believe the night and day difference having one will make. It’s not just the inevitable low-end bass boost that comes from a good quality sub; it’s the overall richness of the sound.

In this guide, we’ve evaluated the best 6.5 subwoofer for the year, and we’ve put together this short list of the top five, each with its own specific strength, so you can find the one that’s best for your needs.

This is by no means an exhaustive list, but it highlights some of the best options available.

Best 6.5 Inch Subwoofers — Reviews

1. Skar Audio EVL-65 D4

Skar Audio EVL-65 D4

  • Competition Grade Pressed Paper Cone
  • High Roll Foam Surround Advanced Air Flow Cooling System
  • 2-inch High Temperature Copper Voice Coil
  • Dual 2 Ohm Voice Coil Configuration

Last update on 2023-02-27 / Affiliate links / Images from Amazon Product Advertising API

Size 6.5″
Frequency range 50 – 250 Hz
Power Handling 
  • RMS: 200 Watts
  • Peak: 400 Watts
Sensitivity 83.1 dB
Top-mount depth N/A
Impedance Dual 2-Ohm

On a budget but still want that boom in your vehicle? Check out the Skar Audio EVL-65 D4 6.5″ sub. It’s not expensive, but you still get a lot for the money.

This thing is built like a tank. It’s small footprint allows it to be easily installed in a variety of applications where adding a woofer might not otherwise be possible.

This sub sports a 4-layer 2″ pure copper voice coil, and a powerful 39 Oz single slug ferrite motor. Furthermore, it comes equipped with a competition grade pressed paper cone supported by high-roll foam surround for precise linear excursion, and long lasting performance. This sub boast a 50Hz to 250kHz frequency response and 83.1 dB sensitivity, giving you all the range and power you could want.

Speaking of power, at 200 watts of continuous power and the ability to handle bursts up to 400 watts, the Skar Audio EVL-65 D4 delivers more than enough grunt, and the bass it puts out is solid and muscular, allowing you to hear and feel even the subtlest of effects.

Its aluminum diecast chassis on the other hand uses an advanced air flow cooling system to help shunt heat away from internal components, allowing the subwoofer to run cool even when the bass gets heavy.

2. JL Audio 6W3V3-4

JL Audio 6W3V3-4 6.5 inch subwoofer

Size 6.5″
Frequency range 30 – 300 Hz
Power Handling 
  • RMS: 150 Watts
  • Peak: 300 Watts
Sensitivity 80.49 dB
Top-mount depth 4-3/16″
Impedance 4 ohms

If you frequent any of the popular car audio forums, or if you’ve ever taken any interest in speakers or car audio systems, JL Audio is a brand you likely recognize, and for good reason.

It’s one of the most recognized names in the car audio industry. The company has been in business for along time and has released everything from home audio systems to car and marine audio components and maintained a level of quality throughout.

When it comes to subwoofers, Jl Audio subs seem to hit the sweet spot for a lot of guys, and that’s because they’re very well-engineered and reasonably priced for the most part.

The 6W3V3-4 is one of the best 6.5 subwoofer that JL Audio has to offer. This little beast is built to deliver respectable and articulate bass with a medium-power amplifier.

Powered by a mineral-filled polypropylene cone that’s supported by nitrile-butylene rubber surround, this sub is able to handle up to 150 watts on continuous basis, and bursts up to 300 watts. It has a frequency range of 30 – 300Hz.

With lows that dig down into the depths of 30Hz, you’ll definitely hear amazing low frequencies with a great sense of realism for its size.

This subwoofer is optimized to operate in a tiny 0.15 cu. ft. sealed enclosure, or a 0.25 cu. ft. ported enclosure.

3. Rockville W65K9D4

Rockville W65K9D4

  • 2-inch 4-Layer ASV Voice Coils
  • Double Stacked 66 Oz High Quality Magnet
  • Thick Foam Surround
  • Black Non-Pressed Paper Cone
  • Double Stacked 66 Oz High Quality Magnet
  • Ultra-stiff PolyPropylene (PP) Dustcap
  • Cast Aluminum Basket

Last update on 2023-02-27 / Affiliate links / Images from Amazon Product Advertising API

Size 6.5″
Frequency range N/A
Power Handling 
  • RMS: 250 Watts
  • Peak: 500 Watts
Sensitivity 82.1dB
Top-mount depth 4.17″
Impedance Dual 4 ohms

If you’re short on cash and looking for a decent 6.5 inch subwoofer that can get the job done without breaking the bank, then Rockville W65K9D4 is a great option to consider.

Rockville Audio is a brand we haven’t come across very much at all, however, their products seem to be well-liked, probably because they’re budget-friendly compared to the competition.

If you believe that you get what you pay for, the Rockville W65K9D4 subwoofer proves that axiom right. Build-quality wise, It’s not the best by any means. It’s fitted with non-pressed paper cone that’s bonded to thick foam surround.

This 6.5″ car subwoofer sports 82.1dB sensitivity and can handle up to 250 watts of power on continuous basis. Its Dual voice coils allow more wiring flexibility.

This subwoofer will work equally well in a sealed (0.14 – 0.4 Cubic Feet) or ported enclosure (0.4- 0.7 Cubic Feet)

All in all, while we weren’t entirely impressed with the Rockville W65K9D4’s build quality and performance, we couldn’t be too mad since this sub is quite affordable.

4. DS18 EXL-6.2D

DS18 EXL-6.2D

  • Dual Voice Coils
  • 90 Oz High-Strength Double Ferrite Magnet
  • 2-Layer Conex Spider
  • 2 inch Black Aluminum 4-Layer Voice Coil
  • Large Foam Edge and Paper with Glass Fiber Cone

Last update on 2023-02-27 / Affiliate links / Images from Amazon Product Advertising API

Size 6.5″
Frequency range 38Hz – 1KHz
Power Handling 
  • RMS: 400 Watts
  • Peak: 800 Watts
Sensitivity 88 dB
Top-mount depth 4.25″
Impedance Dual 4-ohm

If you have deep pockets and you’re looking for something that can bump out extra power, the DS18 EXL-6.2D is a good option to consider.

Despite being a newcomer to the car audio industry, DS18 puts out some solid, and well-built subwoofers, and the EXL-6.2D is no exception.

The 6.5 car subwoofer comes equipped with a glass fiber cone bonded to large foam edge surround. It’s also featured with 90 Oz strong double ferrite magnet, and 2-layer conex spider, while the 2″ black aluminum 4 ohm dual voice coil provide flexible wiring configurations for your audio setup. The aluminum basket on the other hand provides a solid base for the subwoofer.

The DS18 EXL-6.2D beast 88 dB sensitivity and can handle up to 400 Watts RMS. And with a frequency response of 38Hz to 1kHz, you’ll score energetic bass and a good low-frequency response.

This little beast will work equally well in a sealed (.24 cu-ft.) or ported (.6 – .9 cu-ft.) enclosure.

5. Earthquake Sound SWS-6.5X

Earthquake Sound SWS-6.5X

  • Low mounting Profile
  • High temperature voice coil with heat-sink attachment
  • NOMEX/ROMEX spider assembly
  • Aluminum Bobbin
  • Inverted style cone design for maximum excursion

Last update on 2023-02-27 / Affiliate links / Images from Amazon Product Advertising API

Size 6.5″
Frequency range N/A
Power Handling 
  • RMS: 100 Watts
  • Peak: 200 Watts
Sensitivity N/A
Top-mount depth 1-13/16″
Impedance 4-Ohm

For the money, the Earthquake Sound SWS-6.5X is a definite no-brainer. For less than $100, you get a pair of 6.5 high-performance shallow subwoofers that will easily fit into the tightest spots in today’s space- and depth-challenged vehicles.

Thanks to a combination of a mounting depth of less than 1-3/4″ deep, an inverted style cone design, these subs can be mounted almost anywhere where conventional subwoofers cannot fit.

Earthquake Sound SWS-6.5X aren’t going to turn your ride into a rolling thunderstorm of bass. However, they’ll complement your speakers and fill out the low-end frequencies.

Earthquake Sound SWS-6.5X subwoofer can handle up to 100 watts of power on continuous basis. The frequency response isn’t specified by the manufacturer. We would expect these subs to go beneath 30Hz.

Final Thoughts

That brings our review of the best 6.5 inch subwoofers to an end. In this list, we included everything from dirt cheap 6.5 subs all the way to high-end models and a few in-between to cater for different tastes, and budgets.

With any luck you’ll find something that works well for your setup and fits within your budget.

Alex Brown

Hey There, my name is Alex Brown, I'm an LA-based sound engineer with over 10 years experience installing, troubleshooting, and repairing commercial, automotive, and household sound equipment. I've installed highly competitive car audio systems, and everything from navigation systems to full car stereo systems, remote starters, alarms and beyond. I enjoy creating solutions and simplifying everyday needs. I also love helping people get great sounding gear, thereby, saving the world from bad sound one customer at a time.

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