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Polk Audio > 
Item#: 9SIA1CZ0C98048

Polk Audio 6.5" 180w 2-Way Coax Speakers (Price per pair/DB-651)

  • 35 Hz - 22 kHz
  • Impedance 4 Ohm
  • Sensitivity 92 dB
  • Supplied Adaptor Rings enable the db651 to fit both 6-1/2 inch and 6-3/4 inch applications, ensuring an easy fit in everything from domestics t
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The sound isn't really coming from out of thin air, though your friends may think so. The db651 loudspeaker is designed with a polymer cone woofer, butyl rubber surround, and 19mm liquid-cooled silk dome tweeter with Neodymium magnet for clear, detailed highs. You’ll deeply attract by its superior looks. Low-mass 2-layer Kapton Voice Coil former is lightweight for high sound output.

These full range speakers have a 35Hz to 22 kHz frequency response so you don't even need to find a place to hide a subwoofer. Marine Certified, the db651 is durable enough to withstand various toughest environments. Supplied Adaptor Rings makes the db651 able to fit both 6.5” and 6.75” applications, ensures easy fit from domestics to imports.

  • newegg Perfect for Use in Boats The Polk Audio db651 boasts a pair of marine certified speakers that stands up to the stress of extreme temperatures, sunlight and time, perfect for use in boats of all types.
  • newegg Exceptional Sound Quality The Polk Audio db651 boasts a 6.5" Dynamic Balance, mineral filled cone and 0.75” liquid-cooled silk-polymer composite dome tweeter to deliver crisp highs and accurate lows for an immersive listening experience.

Learn more about the Polk Audio db651

General

Brand
Polk Audio
Model
db651
Type
2-way Speaker
Speaker Size
6.5"

Component

Woofer Material
Polymer/Mica Composite cone
Surround Material
Butyl Rubber Surround
Tweeter
0.75" Silk/Polymer composite dome
Voice Coil
Low-mass 2-Layer Kapton Voice Coil
Magnet Construction
Neodymium magnet

Specification

Peak Power
180 Watts
RMS Power
60 Watts
Sensitivity
92 dB
Frequency Response
35 Hz - 22 kHz
Impedance
4 Ohm
Mounting Depth
Top Mount: 1.13" (with adapter ring)

Bottom Mount: 2.31"

Feature

Features
Supplied Adaptor Rings enable the db651 to fit both 6-1/2 inch and 6-3/4 inch applications, ensuring an easy fit in everything from domestics to imports including VWs and Audis, BMWs and other European imports. (The Adaptor Rings reduces the driver's top mount 3/8" to only 1-5/8").

Muscular ABS Grilles, computer optimized and based on exclusive MOMO designs.

Pole Plate Heat Sink promotes better heat dissipation for superior power handling and reliability.

Flat Spider for faster, longer excursion linear motion.

Flexible Woven Leads sewn directly into Spider for greater reliability.

Rock solid, acoustically inert Stamped Steel Basket finished in rustproof Gun Metal Gray.

Stainless steel mounting hardware.
Package Contain
Pair of Speakers

Manufacturer Warranty

Parts
1 year limited
Labor
90 days limited

Quick Info

Warranty

  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 90 days


Customer Reviews of the Polk Audio db651

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  • Daniel L.
  • 8/29/2012 4:56:46 PM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year

5 out of 5 eggsBest in price range performance

Pros: I purchased 2 pairs of these Polks a couple years ago to replace the stock speakers in my 2000 Saturn. For the first year I ran them straight off my Kenwood KDC-MP832u head unit. Due to the high efficiency and wide frequency response of these speakers, they were an absolutely phenomenal improvement over the factory speakers. The sound reproduction is great quality even when the speakers are only being fed about 18-20w RMS. The high efficiency also helps them get MUCH louder than most 6.5s. Also, better for bass than most all 6.5" speakers, but still, no 6.5" can replace a larger sub.
Then, about a year ago, I added an amp and a 10" Alpine sub to my system and WOW, these speakers really shine when they're fed a little more power. Right now they are getting about 40w RMS each with the LPF set to 100 hz. I can crank the volume up to ear-damaging levels and hear absolutely no distortion whatsoever. All in all, I am simply amazed by the performance and value of these speakers.

Cons: Absolutely none for me.

Other Thoughts: 1. Bought mine for $60/pair shipped.
2. BE AWARE: THE TWEETER DOES PROTRUDE from the rest of the speaker. Consider this when looking at mounting locations. I had to make a couple "field modifications" to my rear deck before they would fit comfortably.
3. The volume control on my HU goes from 0 to 35. Since amping these speakers a year ago, I haven't tried turning the volume past 26-27ish for fear my ears will start bleeding and subsequently my head might explode.
4. You will be hard-pressed to find better 6.5" speakers in this price range. Probably have to move up a price tier or two before finding something to outperform these.

Did you find this review helpful? Yes No

  • Victoria W.
  • 10/6/2011 8:24:37 AM
  • Tech Level: Average
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsAWESOME SOUND!

Pros: Love the sound these speakers give. After my speaker in the front gave out I was upset that I had to go buy new speakers because I thought my sound was decent. But after I had these installed in my car, WOW, I sure didn't know what I was missing!

Cons: Non

Other Thoughts: Keep in mind when you buy these people that your buying only TWO speakers, a friend of mine bought these as well and called me up cause he only recieve two speakers... -_-` Don't think this is a whole set of speakers, it's not, it's only two.

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  • Jorge G.
  • 10/2/2010 9:50:16 AM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

4 out of 5 eggsDecent speakers

Pros: Nice looking nice upgrade from stock

Cons: non at the moment

Other Thoughts: Wow I bought these at newegg for $39 a pair I bought 2 pairs for less than 90 dollars. The new price just left me kinda suprised.

Did you find this review helpful? Yes No

  • Matt D.
  • 7/25/2010 12:45:44 PM
  • Tech Level: Average
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsgreat

Pros: you may need a amp to tak these babys further i mean as long as u want to blow ur ear drums

Cons: tweet stuck out to far for my jeep gc cut 2 inch whole were the tweet would be so it sticks out a lil but everything is good now. didnt come with the clips foir the speaker there only like 5 bucks at a auto zone

Other Thoughts: needs asub... but the bass is still alot alot better then the infinity system the jeep came with

1 out of 1 people found this review helpful. Did you? Yes No

  • Anonymous
  • 2/28/2010 8:30:47 AM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsBooming

Pros: Sooo much better than my factory "paper bag" speakers. Blows sony trashy x-plode speakers they replaced, away. Good all around sound. I'm not audiophile, but these sound great. Period.

Cons: I got mine cheaper, but thats they way it works I guess...

1 out of 1 people found this review helpful. Did you? Yes No

  • Joseph C.
  • 2/17/2010 12:44:51 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGood entry level speakers!

Pros: Without an amp they are a big step up from stock car speakers, add an amp to the mix and in the words of my friend "When did you get your subs in?!" yea, they weren't in my car. These speakers got high hit low and go LOUD. POLK All the way!

Cons: i had to custom install them myself.

1 out of 1 people found this review helpful. Did you? Yes No

  • Dennette m.
  • 1/5/2010 12:37:34 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsQuality Speakers!

Pros: Good Sound, easy to install, crank out the bass!

Great Price for Polk Speakers!

Cons: The grills they come with look dumb (in my case I didn't need them, just an observation though)

Other Thoughts: I am using the factory HU and they are not used to full potential. They need and will handle lots of power! New HU next?

1 out of 1 people found this review helpful. Did you? Yes No

  • Jonathan W.
  • 12/31/2009 12:29:01 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month

5 out of 5 eggsPolk 6.5's + Alpine CDE9872

Pros: Best 6.5's I've ever heard! I had a pair of Kenwood 6.5in 3-way speakers that I loved and I was trying to custom rig from my old truck into my new 96 Nissan D21 Pickup i got frustrated and bought these instead. The Polk's are blowing the old Kenwoods out of the water in terms of Bass and clarity. They plopped in without much of a headache also. Plus they are water proof which is what killed a stock speaker in my new truck.

These speakers perform awesomely in every genre I listen to! I listen to a lot of classic rock, lots of NIN, and Techno all different kinds especially Drum and Bass. I hear things my old 3 ways were not putting out.

If your a music freak these speakers will make you smile ear to ear.

Cons: Had to use some different mounting screws to get them into my truck some wider self tapping ones.

*Other Nissan pickup owners beware that you will need to drill at least one more hole to get the speakers mounted up solid only 2 of the spots will work on the adapter included. You will also need to cut the door panel to fit the new speakers. You can leave it uncut but your door panel will be a bit loose and bulged which could cause problems with your locks. ( I know from exp)

Other Thoughts: If your like me and don't have a lot of back depth on the door to mount the speakers grab these these are nice and slim so no headache of fabricating an adapter plate seeing one is included.

make sure you have a good head unit to fully utilize these speakers :D

1 out of 1 people found this review helpful. Did you? Yes No

  • Gilmore W.
  • 12/3/2009 6:38:45 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsSatisfied

Pros: Sound great!!!! Clear as a bell !!!!!Solid Performance!!!!!

Cons: Too loud? ahhhh No! Well maybe. What?

Other Thoughts: I put these in an an older model LX450 Front doors, Much louder than the rear stock speakers. Made the whole system perform much better.

0 out of 1 people found this review helpful. Did you? Yes No

  • Yongsuk C.
  • 11/23/2009 7:41:39 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsGood

Pros: This speak set is awesome. For the price, you cannot get anything better. I've ran it through with and without amp, and it serves the best. I had another speaker pair sony it performs about 3 times better if not more.

Cons: like all the speakers speakers alone can only go so far. if you want to maximize this boy, get an amp and blast it.

Other Thoughts: I regret not getting this set for my front as well. I thought I'd give a try for pioneer and kicker didnt meet my expectation. I give 5 out of 5.

2 out of 2 people found this review helpful. Did you? Yes No

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Polk Audio > 
Item#: 9SIA1CZ0C98048
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