---
product_id: 1155292
title: "Polk Audio DB651 6.5\"/6.75\" 2-Way Marine Certified db Series Car Speakers with Liquid Cooled Silk Tweeters"
brand: "polk audio"
price: "R517"
currency: ZAR
in_stock: true
reviews_count: 2
url: https://www.desertcart.co.za/products/1155292-polk-audio-db651-6-5-6-75-2-way-marine
store_origin: ZA
region: South Africa
---

# Marine Certified Silk Tweeters 360W Peak Power Polk Audio DB651 6.5"/6.75" 2-Way Marine Certified db Series Car Speakers with Liquid Cooled Silk Tweeters

**Brand:** polk audio
**Price:** R517
**Availability:** ✅ In Stock

## Summary

> 🎉 Elevate Your Sound Experience!

## Quick Answers

- **What is this?** Polk Audio DB651 6.5"/6.75" 2-Way Marine Certified db Series Car Speakers with Liquid Cooled Silk Tweeters by polk audio
- **How much does it cost?** R517 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/1155292-polk-audio-db651-6-5-6-75-2-way-marine)

## Best For

- polk audio enthusiasts

## Why This Product

- Trusted polk audio brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Marine Ready:** Designed to withstand the elements, these speakers are perfect for your next adventure on the water.
- • **Dynamic Balance:** Lightweight polymer/mica composite woofer ensures a rich, balanced sound that keeps you grooving.
- • **Unleash the Sound:** Experience peak power handling of 360 watts per pair for an audio experience that rocks your boat!
- • **Silk Tweeter Technology:** Enjoy crystal-clear highs with 3/4 inch liquid-cooled silk tweeters that elevate your audio experience.
- • **Precision Crossover Filters:** High and low pass crossover filters deliver a seamless sound transition, making every note count.

## Overview

The Polk Audio DB651 6.5"/6.75" 2-Way Marine Certified db Series Car Speakers are engineered for peak performance with a power handling of 360 watts per pair. Featuring a lightweight dynamic balance polymer/mica composite woofer and liquid-cooled silk tweeters, these speakers are designed to deliver exceptional sound quality while being marine certified for durability in outdoor environments.

## Description

Product Description               DB651                  .com               Turn up your vehicle's audio performance with the db651, a 6-1/2-inch coax speaker designed to drop into a variety of applications in no time at all. Advanced materials reduce component weight while offering rock solid reliability, advanced looks and ultra high performance. Borrowing technology from Polk Audio's flagship SR Series, the db Series offers exceptional value for the price. Turn up your vehicle's audio performance with the db651. Click to enlarge.Durable Butyl Rubber Surround won't fall apart under the stress of extreme temperatures, sunlight or time, for years of great Polk sound. Swivel Mount Tweeter allows precise aiming of sound. db651 FeaturesThe db651 come with 6-3/4 inch adaptor rings for easy fit in VWs, Audis, BWMs and other European cars. Dynamic Balance Driver Technology for pure, distortion free sound. Polymer/Mica Composite Cones are stiff yet lightweight for big sound and little distortion. Klippel Optimized Components for consistent, distortion-free sound. Marine Certified means the db651 is built tough to withstand the harshest environments on the water. Low-mass 2-Layer Kapton Voice Coil Kapton has a high melting temperature, ensuring reliability and high power handling. Swivel Mount Tweeter allows precise aiming of sound. Wheel-inspired style combines with rugged durability in the db grille. Polk Audio's db Series Polk Audio's entire db line of coaxial and component speakers has been redesigned and re-engineered with superior looks and even better sound. Polk has added three new sizes to cover a broader range of vehicle applications. And they've done all that at prices that make high performance affordable to everyone! The db Series works well in OEM factory systems, as well as with high-powered aftermarket head units and component power amps. The db Series delivers classic Polk Audio performance and durability like never before. This is how you turn up the style. The look is about more than performance. It's about making every detail count, from the wiring harness under the hood to the fit and finish of your loudspeaker installs. Even before you fire them up, the db Series delivers. ABS wheel-inspired grilles make a muscular statement about your entire audio system and say you're ready to unleash some real sound. Hidden wire channels give your system a clean, professional look. Now if you'd prefer to be more subtle about your audio system (although why would you?), db makes a comfortable stealth installation and will mount easily behind factory grilles. The db Series fits. Yes, it's just that simple. The last thing Polk wants is to sell you a great speaker that doesn't fit. Our new multi-hole mounting pattern and shallow-depth magnet design have created our highest vehicle application ratio for easy drop-in installations in just about any car on the road (and probably some that should have been taken off the road years ago). Tweeters in the component models can be flush & surface-swivel mounted using the supplied hardware. With db, we've made sure you have maximum install flexibility. High Efficiency Design It means less amplifier power is needed for more audio output. Meaning better sound and more volume using less power. The bottom line is db Loudspeakers will definitely blow you and your friends away, whether they're driven by aftermarket head units or factory installed electronics. Marine Certified Marine Certified means your db loudspeakers will perform reliably on the water as well as they do on land. So Polk attacked every db speaker with a series of punishing real world and accelerated weathering lab tests to see if they could take what some pretty nasty marine and automotive environments could dish out. Polk exposed dbs to hundreds of hours of salt fog, intense ultraviolet light and extreme temperatures from -40 degrees to 185 degrees F (-40 degrees to 85 degrees C). They performed as well after the tests as before (they didn't look so good). No wonder Correct Craft builds Polk Audio speakers into their award-winning Nautiques ski and wakeboarding boats, and Bullet uses Polk db speakers in their marine "tower" speaker enclosures. What's in the Box db651 Speakers (pair), Grilles, Installation Hardware, Owner's Manual

## Features

- 6 1/2 inches, 6 3/4 inches 2 way Coaxial Speakers (Marine Certified)
- Power Handling: Peak: 360 watts per pair / RMS: 120 watts per pair
- Lightweight dynamic balance polymer/mica composite mineral filled cone woofer
- 3/4 inches Liquid Cooled Silk/Polymer composite Dome Tweeter
- High Pass and Low Pass Crossover Filters / Low mass 2 Layer 25mm Kapton Voice Coil former

## Product Details

- **Brand:** Polk Audio
- **Speaker Maximum Output Power:** 180 Watts
- **Connectivity Technology:** Coaxial
- **Audio Output Mode:** Stereo
- **Mounting Type:** Boat Mount,Car Mount,Coaxial

## Images

![Polk Audio DB651 6.5"/6.75" 2-Way Marine Certified db Series Car Speakers with Liquid Cooled Silk Tweeters - Image 1](https://m.media-amazon.com/images/I/71DLeWc4CML.jpg)

## Questions & Answers

**Q: Would these sound good off stock Bose amp in my tahoe**
A: I hooked these up in my boat with NO amp and they sound amazing.  So my best answer is yes, they will sound good with your stock Bose amp.

**Q: I just ordered these and I want to be sure the color is silver as the picture shows.**
A: Also got the bronze/gold color. They should update the picture here, sounds like the silver was in the past. I bought 4 and all are gold

**Q: Does this comes with pairs or just 1 single speaker?**
A: I received 2 speakers when I ordered

**Q: Do they fit Chevy Silverado 1500 trucks?**
A: Front door yes rear need to be cut to fit 2000 ls ext cab

## Customer Reviews

### ⭐⭐⭐⭐⭐ Polk Audio DB651 - Great speakers for the price
*by J***R on December 17, 2011*

First of all, these speakers are NOT capable of handling 180 watts. According to the manufacturer, they are rated at a MAXIMUM of 60 continuous RMS watts per speaker. Peak power is an irrelevant number that anyone with at least half a brain discards. These Polk Audio DB651 speakers sound great! They have very clear highs, and solid lows. These are not going to produce any astounding bass like a larger or good set of component speakers, but for what they are, I've yet to come across anything that can beat them. Also and maybe most importantly, they have great (perhaps the best I've heard) tonal balance. In comparison, I also own a pair of the Polk Audio MM651, which sound great (lows/highs) and are even slightly louder (more efficient) than the DB651 series, but the MM651 have an overly present midrange that takes a good equalizer to somewhat tame. Even equalized however, the MM651 series doesn't sound overall as well as the DB651 series. If you're looking for a great set of 6.5" speakers that have a balanced, warm and clear sound, and also perform well at higher volume levels, then I recommend the DB651. Especially, if they are under 70 bucks a pair! Furthermore, I'd highly recommend using an amplifier in conjunction with these speakers.I am currently using a Kenwood DPX-701 headunit and Kenwood KAC-X542 amplifier that produces 80+ continuous watts RMS @ 4 Ohms X 4 in tandem with two pair of the DB651 speakers and they sound great. Unfortunately, I have to significantly attenuate the level and gain controls on the amplifier so I don't blow the speakers, and with the amazing sound quality, it's very tempting to crank it up. Matter of fact, one of the local officers was so intrigued by the intensity of my car stereo that he came over to where I was sitting (in my driveway) and wrote me a little white certificate of authenticity that I had to take to the courthouse and proudly display.Edit - Personal Preference Notice:I've encountered a few debates about "clarity" when it comes to speakers (these DB651s in particular) of which neither is wrong nor right, it's just personal preference. As I mentioned earlier in the review, these speakers have a warm yet clear sound. The treble is clear and plentiful, but it's not sharp, glass shattering, nor ear drum piercing. That is thanks to the "Silk Dome" tweeters. Silk Dome tweeters are typically not as efficient nor as loud as metal dome ( titanium, aluminum ect) tweeters, but they have a better balanced, soft, clear and warm sound. To me metal dome tweeters are uncomfortable to listen to because they have an untamable resonating tinny sound. I have a few friends, however, that disagree with my silk dome tweeter preference and actually prefer the flamboyance of the metal tweeters. So if you have a similar tonal taste as they do, you may be disappointed with the DB651 series high frequency performance and want to look further for a set of speakers with metal dome tweeters. Anyway to each there own; these Polk DB651 series speakers replaced my Eclipse SP6500 series (that had metal dome tweeters) and I can say it was a very noticeable improvement in sound quality and balance.

### ⭐⭐⭐⭐⭐ 1999 Toyota Corolla install. A success for the masses.
*by K***I on May 21, 2013*

This is the girl's ghetto guide to car stereo electronic upgrades.Yes, I'm striving to be that person who's stereo costs more than the car. With a low low income and a do-it-yourself attitude, you can be that person too!I bought these to replace my front door speakers on my Corolla.Unless your front speakers are blown, I highly recommend leaving them alone. Replacing these speakers yourself is not an easy task.If you have a '99 Corolla, these speakers will fit, as well as clear the window when you roll it all the way down.No need to buy the shallow version of these speakers...save the bass!Installation:You will need to literally rip off the door panels which will likely never go back on exactly the same way, but that is the price you may have to pay....you're driving a 15 year old car anyway, just give it some love.You have to pry off the armrest on the door to access a screw that is underneath. You also have to unscrew a screw where the handle is. If you have manual windows, you must get this metal C clip off in order to take the window handle off. You don't need a special tool, you can use a piece of cloth to shimmy it off. There are Youtube videos online, showing you this trick. After everything is unscrewed, grab the door and rip that baby off. Force required.The factory speakers are riveted on, so I hope you have a power drill. Drill those baby's out and cut the speaker wire.I don't know if this is the best approach, but I drilled new holes for the speakers and hammered in some drywall anchors. Old holes didn't line up. Connect the speaker wire, test those babies out and screw 'em in to your anchors. Pop the door back on and you are good to go. When I say pop, I mean look at where the plastic clips in the door panel line up with the holes in your door and punch that baby. Use the force!Sound Quality:I was going to buy something else and then I went to Best Buy to test out their speaker selection. I am glad that I did because these pretty ladies sang to me. I would not be ashamed to install these speakers in a much nicer car.The speakers do sound amazing. She swiveling tweeter is a huge selling point and it makes a difference when the speakers are down by your ankles. The highs are nice and clear and the lows sound way better than the Pioneer 6x9's in my trunk. Just remember, they're in a door, not a box...this matters.If you don't have an aftermarket stereo, do yourself a favor and buy one. These speakers like power and many factory stereo's don't bring it. You can get something totally decent on here for $65. Stereo's are simple to install on these cars. Toss some Dynamat in your door panel if you're a freak about it. Just think of it like playing music in a symphony hall vs. a two car garage. Nevertheless, the bass does thump...like a 6.5" should thump anyway. If you want more, do yourself a favor and install a subwoofer...then you will know thunder.In these little cars, you could get away with a 300 watt 10" or 12" with a sealed box and still have room in the trunk for under $300. I am afraid to stick my L7 in here.Unless you live in your car, no need to buy more expensive speakers than these. Save it for your home system, it'll be more impressive.Jah Bless.

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-03-05*