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Polk Audio

Polk Audio DB651 6.5"/6.75" 2-Way Marine Certified db Series Car Speakers with Liquid Cooled Silk Tweeters (Discontinued by Manufacturer),silver/black

    • Based on 1,763 reviews
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Availability: In Stock.
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Arrives Monday, May 20
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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

Description

Step up your vehicles audio performance with Polk Audio's revolutionary db651's. Cutting edge technology has allowed for an efficient speaker that has ability to accurately reproduce music like you have never heard before. A precise balance of materials including the Silk/Polymer Dome tweeter and Mica Cone woofer enable smooth roll off and quick response at any volume. The rubber surround adds to bass response as well as increases the lifetime of the speaker under any conditions. Being marine certified, the Polk DB651's will surprise you with its versatility and ability for use in many applications. The high efficiency loudspeaker means less power is necessary for the same quality output. The revamped db Series delivers that perfect Polk Audio performance and durability like never before. 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


Brand: Polk Audio


Model Name: db Series Car Speakers


Speaker Type: Coaxial, Component, Woofer, Tweeter


Connectivity Technology: Coaxial


Special Feature: Headphone for Men


Product Dimensions: 8 x 14.5 x 4.75 inches


Item Weight: 5 pounds


Item model number: DB651


Batteries: 1 12V batteries required.


Is Discontinued By Manufacturer: Yes


Connectivity technologies: Coaxial


Special features: Headphone for Men


Display size: 2.31 inches


Other display features: Wireless


Color: sky-blue


Whats in the box: Pair Speakers


Manufacturer: Polk Audio


Date First Available: July 7, 2004


Speakers Maximum Output Power: 180 Watts


Weight: 5 Pounds


Number Of Items: 1


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, May 20

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • fit my MINI perfect!
Style: Old Model
Fit my 2011 MINI Cooper like OEM. Easy install, sounds great, would purchase them again if needed.
Reviewed in the United States on August 10, 2023 by Francine
    • Just what my boat needed.
Style: Old Model
Lucky that this speaker set matched our existing speaker holes perfectly. Sound quality of Polk is fantastic.
Reviewed in the United States on August 6, 2023 by Scott Huse
    • Great upgrade for 100 Series Land Cruiser
Style: Old Model
Sound quality is excellent, install was easy once door panel is navigated. Don't forget to purchase the speaker adapter below, which is a plug and play harness for this vehicle. Metra 72-8104 Speaker Connector for Select Toyota Vehicles
Reviewed in the United States on July 17, 2023 by Carrington Moorer
    • Great sound
Style: Old Model
Love these speakers. Have 4 on my sailboat. Great sound. Will update if they fail quickly.
Reviewed in the United States on July 6, 2023 by brian0984
    • Work well in my smart ForTwo cabrio
Style: Old Model
While the dealer assured me that the "premium sound system" wouldn't need to have the speakers upgraded if I decided to put in a touch screen DVD/NAV system, reality proved otherwise. The stock speakers sounded really good with the top up, but with the top down at highway speeds, it was just a muddled bunch of noise. The smart car forums had many people recommending this set, because it fit well without any real modifications to the door. So I grabbed a pair. After having to pull the entire door apart (since the smart car has them mounting OUTSIDE IN, so they are held from behind the door panel, necessitating removal of most of the door, mirrors, handle, etc) I found that while they fit circumference wise, they didn't fit screw hole wise. The stock speakers had four screwholes, at cardinal points, 90 degrees apart. While these speakers also had that, the speaker ADAPTERS to mount with do not. So I was forced to use only two screws to secure it to the door, and had to even cut the screws short so they wouldn't bore through the door panel and stick out into the passenger compartment. Side note, seeing these "premium speakers" supplied by the manufacturer, laying on the floor next to the Polks, you could tell that the auto manufacturer's idea of premium is laughable at best. Cheap paper cones, just like anything I've pulled out of a car 25 years ago. But when half way done, with the drivers side speaker replaced and the passenger side still stock, I played with my stereo some, comparing the two sides with rock, jazz, classical... High volume, low volume, testing it out, and there WAS a very noticeable difference. So I replaced the second side, buttoned it all back up, while thinking to myself "Had I known what a pain this was going to be, I never would've started." And this is from someone who has been swapping out stereos in my cars since the mid 80's... However, the first time I dropped the top, got on the interstate, and wound my new head unit up about 50% volume, I was glad I went through all the hassle. Difference is night and day. I have a stock subwoofer, so at least their crossovers keep the bass from muddling too much on these, but considering how bad the stocks sounded, these were very impressive. Even at high speeds, lots of wind noise, I can get my music sounding surprisingly clear now. I haven't really cranked them past the 50% mark since I prefer to keep my hearing intact for a few more years, but that has proven to be sufficient for decent volume and clarity on the road. Once I slow down, I just lower the volume. Even at lower volume levels, the sound is amazing compared to the stock speakers. So all around, I am very happy. And for such a cheap price, there's no way to beat it. ... show more
Reviewed in the United States on May 25, 2010 by LegoDad
    • Polk dB651's are a great retrofit for the Jeep TJ sound bar
Style: Old Model
Review Image by JP JP
Review Image by JP JP
Review Image by JP JP
My 2000 Jeep Wrangler Sahara had a Sony MEX-BT3800U head unit that the previous owner installed. He had a custom dual sub-woofer in the back but removed it and left the wiring when I bought it in 2012. Recently the TJ has become my daily driver so I decided to upgrade the sound system. With a convertible option on the Jeep, I decided Marine Grade was called for. All 4 factory speakers are easily replaced without major surgery. I got Polk dB461's for the front and dB651's for the sound bar in the back. They were a direct retrofit installed in about an hour. Great sound from the Polks. Bright and clear speakers that I'm really happy with. With the loudness on, the 651's in particular had pretty good bass but it still needed that fullness only a sub-woofer could provide. The front dB461 speakers of course, don't have the bass of the 651 but for the frequency range it does carry, it's still a great speaker. Make sure you get the adapter plate for the Jeep since the front speaker mounting screws are in the center. With both Polk's I still wanted to "feel" the lows. With the wiring already in place, I considered building my own sub-woofer with a matching Polk 8 or 10" sub driver. Researching cabinets and amps, I realized loss of storage space and potential theft were significant considerations. I also don't need to vibrate the license plate. Just fill the sound band. A compact self powered sub is all I really needed. The PWE-S8 rose to the top of the choices. As it turns out, it fits invisibly under the back seat. I'm still tuning it but so far, the TJ sound is amazing over a wide range of music. I can literally feel the low keys resonate from piano and bass guitar passages. With adjustment capability at the head unit, I am able to experiment to find the sweet spot between sub and mains. The bass source location from the Alpine is invisible to the ear. It's all over the car. Exactly what I was looking for. A special note on installation and Alpine Tech Support in particular-Make sure your electrical connections are done right. I made my own ground connection on the rear seat bracket with a solid self tapping screw. Sanded the surface down to bare metal. The guys at Best Buy helped me properly run the red hot wire directly from the battery along the passenger side to the back. (The head unit wires run along the driver side. This separation eliminated any chance of interference and noise.) Then we connected to the remote-on wire (blue/white) of the head unit, plugged in the RCA connections and voila...NOTHING! No power light. We fiddled with it for about a half hour before the BB guys determined it must be the PWE-S8. I got the exchange unit from Amazon the next day thinking it will be a plug and play swap. This one didn't work either! that's when I called Alpine support and they walked me through some tests with a multi-meter. The guy emphatically said it's got to be my connection. Even though I was getting 12 volts, it dropped to 9 when the amp was under load. I know the hot was good because I saw it installed. This lead me back to the ground connection. I removed the seat bracket (2 big torx screws) and found paint on paint at the mounting point there. I sanded that down to bare metal on both surfaces, bolted it all back together and now, for real, VOILA! It worked beautifully. Self inflicted pain made a pretty straightforward installation a frustrating experience but I got it done. The Alpine PWE-S8 was the finishing touch on a great upgrade. My 2-3 hours in the Jeep in commute traffic is a lot better now. Cheers! ... show more
Reviewed in the United States on October 29, 2016 by JP JP
    • Good bang for the buck
Style: Old Model
They are good speakers. I am using them to replace some JL C2 coaxials that started popping from 7 years of use hooked up to an amp. I only paid $70 for these speakers, and the JL ones go for over $200. Here’s the real honest truth. They sound smooth and have good bass response. The tweeters are really good too. They DO NOT handle 60 watts as advertised. I have an Alpine PDR 75, which produces 75 watts per channel at 4 ohms, and 100 watts per channel at 2 ohms. I have them on 4 ohms, so max output is at 75 watts, and I have it set to where they will distort at 56 out of 62 on my receiver. The amp is only turned up to about 35% on the gain, but we all know gain isn’t watt for watt. I’d say they comfortably are handling 45-50 watts with zero distortion. That said, I don’t care, because my front speakers are components and handle most of the sound stage anyway. For $70, they sound great, but if you run them on a small amp with 40-50 watts per channel, it’s more than enough. Oh, and once I got the rear door panels popped off, they only took a few minutes to install, but I already had speaker wire running from my amp into the holes. ... show more
Reviewed in the United States on November 1, 2022 by Kevin Bennett

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