Car Speakers

Best 6.5 Speakers For Ultimate Bass In 2023

Mike Cross
Updated Apr 3, 2023
6.5 speakers

Good 6.5 speakers can be the ultimate ingredient to take your car audio system to the next level. A good 6.5 coaxial  speaker should be engineered for superior sound quality and easy to install at the same time.

Most factory car speakers leave a lot to be desired in terms of sound quality. If you are replacing them with high end speakers then you will need an amplifier to push power.

If you are looking for high quality 6.5 speakers to upgrade your car audio system, you can rest easy as we have reviewed  some of the best in the market today.

Best 6.5 Speakers To Buy For Your Car

1. Kicker 40CS654 6.5 inch 2-Way Speakers

The Kicker CS line of products are redefining the bar of quality products that don't break the bank.

It features a 6.5 inch dome tweeter for crisp and quality highs without getting to bright for more accurate and detailed sound reproduction.

To compliment the tweeters, the mid-woofers are made from polypropylene to give you punching mid-bass that doesn't overpower the high notes.

Kicker has kept the mounting depth on these speakers as shallow as possible for easy installation especially if you don't have a lot of space to play with.

With all the coaxial, component configuration and shallow mounting depth these speakers are perfect for just any installation. If you are looking for a pair of quality 6.5 speakers to run your stereo or off an amp the kicker 40CS654 is an excellent choice.


  • Power Handling:
  • Peak: 600 watts per pair / 300 watts each
  • RMS: 200 watts per pair / 100 watts each
  • Recommended power range: 15 - 100 watts RMS per channel
  • Polypropylene cone material
  • 4 ohms impedance
  • Frequency response: 40-20,000 Hz
  • Top-mount depth: 1-11/16"
  • Sensitivity: 90dB

2. Rockford Fosgate R165X3 Prime 6.5-Inch Full-Range 3-Way Coaxial Speaker

The Rockford Fostage  R165X3 6.5 speakers are a great budget friendly speakers when upgrading your factory system.

They have low wattage and can operate with both the factory and aftermarket stereo or even a decent power amp.

The speakers come in 2 way and 3 way configuration and are built using injected polypropylene  cones for extended frequency response.

The speakers also feature balanced dome tweeters to reproduce smooth crystal clear highs. Inline crossovers are included in the component models to better the overall sound reproduction.

These speakers are shallow and run off  of any source unit. If you are looking at replacing your factory speakers with an affordable and high quality speaker, prime  is a great choice.


  • 6-1/2" PRIME Series 3-Way Car Speakers
  • Power Handling:
  • Peak: 180 watts per pair / 90 watts each
  • RMS: 90 watts per pair / 45 watts each
  • Frequency response: 52-20,000 Hz
  • Top-mount depth: 2-3/16"
  • Sensitivity: 91dB

3. Kenwood KFC-1695PS 320W 6.5" 3-Way Performance Series

If you are looking to take your stereo system to the next level without spending a fortune then this is the stereo for you. These speakers can handle up to 125 watts RMS efficiently while achieving high sound quality and reliability.

They are designed to take a beating and can handle up to 600 watts peak power during hard listening sessions.

The speakers feature water resistance paper cone to ensure durability. The radial rib pattern included in the design gives more responsive bass and strength to the speaker.

The additional rubber surround  ensures longevity and you can be sure to enjoy your music without having to replace the speakers for many years to come.

For musicality, there is a 1-3/16'' tweeter and 0.5'' super tweeter. The acoustic sound harmonizer gives a flawless listening experience.


  • 6-1/2" 3-way speakers (pair)
  • grilles included
  • power range: 2-75 watts RMS (320 watts peak power)
  • impedance: 4 ohms
  • frequency response: 75-22,000 Hz
  • sensitivity: 88 dB
  • top-mount depth: 1-13/16"

4. Polk Audio DB651 6.5"/6.75" 2-Way Marine Certified db Series Car Speakers

The Polk Audio 6.5 speakers are some of the best selling in the industry and all for good reasons.

Uses liquid cool tweeters made from polymer and silk to give you not only crisp but detailed highs. The Mica composite cone gives you high accurate bass and punching mids.

These speakers are marine certified. This means you can put them in your car, boat or even off road vehicle. Since they are marine certified, the materials are more durable and you can enjoy your music for a long time.


  • 6-1/2" 2-way Coaxial Speakers (Marine Certified)
  • Power Handling:
  • Peak: 360 watts per pair / 180 watts each
  • RMS: 120 watts per pair / 60 watts each
  • Frequency Response: 40 - 22,000 Hz
  • Sensitivity: 92 dB
  • Nominal Impedance: 4 ohms

5. Infinity Kappa 62.11I 150W 6.5-Inch 2-Way Kappa Series Coaxial Speakers

Infinity Kappa speakers offer a perfect upgrade for factory or aftermarket sound system. The speakers have  balanced and clear sound with a perfect midrange.

With these speakers, there is compensation for an extra resistance with a  2-ohm nominal impedance.

It has high sensitivity  which makes it a good upgrade  because of the fidelity improvements integrated into the speakers.

The chrome insterts can compliment most modern vehicle interiors. You will never see any visible mounting screws which gives the speakers a natural  aesthetic to the vehicle.

With its exquisite design, strong lows and articulate highs, the kappa series of 6.5 speakers are perfect as an upgrade to your car audio system


  • 6-3/4" 2-way car speakers
  • Plus One+ glass-fiber woofer cone with hi-roll rubber surround
  • 1" edge-driven, soft dome tweeter
  • included brackets allow mounting in a variety of 6-3/4" and 6-1/2" openings
  • 2-ohm impedance
  • power range: 5-75 watts RMS (225 watts peak power)
  • frequency response: 45-25,000 Hz
  • sensitivity: 95 dB
  • top-mount depth: 2-1/8"

What You Get In The Box:

  • Two 2-way speakers
  • 2 Grilles
  • 2 Grille rings
  • 2 Plastic 6-3/4" adapter brackets
  • Eight 1-3/8" Self-tapping screws
  • Eight 1/2" Self-tapping screws
  • 8 Speed clips
  • 2 Adhesive backed foam gaskets
  • 2 Adhesive backed Infinity logo badges
  • Instructions

6. Infinity Reference 6032cf 6.5-Inch 180-Watt High-Performance 2-Way Speakers

These speakers feature a polypropylene cone that is light weight and you can clearly hear all the dynamics in your music collection.

The plus one cone technology maximizes the cone surface area for even greater output without additional power.

The speaker surround is accurate in its linear movement for minimum distortions at high volumes.

They feature a 1 inch edge driven textile dome tweeters that is soft enough for comfortable listening yet rigid enough to articulate high frequencies up to 21k HZ.

The speakers also feature tweeter attenuation that lets you select 0  to +3db  for greater emphasis on high frequencies. The unipivot design directs the sound towards the listener for better imaging.

Using patented technology, these 6.5 speakers have 3 ohm impedance allowing them to maximize the power they receive from your car stereo or after market system. These speakers are compatible with most car audio systems off the butt.


  • 6-1/2" (and 6-3/4" locations) Reference Series 2-way Car Speakers
  • Power Handling:
  • Peak: 360 watts per pair / 180 watts each
  • RMS: 120 watts per pair / 60 watts each
  • Top-mount Depth: 2-1/8"
  • Cutout Dimensions: 5-3/8"
  • Frequency Response: 53 - 21,000 Hz
  • Sensitivity: 93dB

7. Pioneer TS-A1676R 6.5-Inch 3-Way Speaker Pair

The Pioneer TS-A1676R boasts of a new cosmetic design with improved power handling. They will fit perfectly in just any car with little modification needed.

These next generation 6.5 speakers include mica matrix cone which  aids in spreading the dispersion of sound for deep bass.

It features new intuitive tweeters for optimizing mid to high frequencies even if the volume is full blast. The new improved technology offers better sound quality and longer playing hours for the different genres of music in your vehicle.

The multilayer matrix cone maintains the rigidity of the of speaker for maximum excursion.


  • 6-1/2"/6-3/4" 3-way car speakers (pair)
  • multilayer mica-matrix woofer with elastic polymer surround
  • 1-5/8" paper cone midrange
  • 3/8" PET (Polyethylene Terephthalate) dome tweeter
  • power range: 5-50 watts RMS (320 watts peak power)
  • frequency response: 32-40,000 Hz
  • sensitivity: 90 dB
  • top-mount depth: 1-3/4"
  • grilles included

What You Get In The Box:

  • Two 3-way speakers
  • 2 Grilles
  • Two 12" lengths of speaker wire (female quick slides on one end and bare wire on the other)
  • Eight 3/4" Self-tapping screws
  • 8 Speed clips
  • Warranty information

8. Audiopipe 8" Flat Loud Speaker

The Pro Audio pipe 6.5 speakers allow for tremendous amount of power to be played to your system. It is designed to bring you that live pro audio sound into your car and allow you to hear the precinct details of your music.

The sealed back speaker features totally enclosed basket design. Cone movement is limited which provides the speaker incredible durability and long lasting life for your sound system.

The speakers have a fiber resistance cone that can stand up to the elements of nature without compromising sound quality

The paper dust cap  design ensures a natural bridge sound to your music. With a shallow mounting depth, these speakers will fit almost anywhere.


  • 5" APMB Series Flat Mount Midrange Driver
  • Power Handling:

Peak: 250 watts

RMS: 125 watts

  • Heavy duty 18 oz. magnet
  • Durable 1.5" TIL voice coil
  • 8 ohms impedance
  • Frequency Response: 80-9,000 Hz
  • Top-mount Depth: 1-15/16"
  • Mounting Diameter: 5-7/8"
  • Sensitivity: 94dB

Must read: Best 8 Inch Subwoofer 2017- Buyer’s Guide

Mike Cross
Life is too short to drive with stock audio

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