Polk Audio DB651 6.5-Inch Coaxial Speakers
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 Features The 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 Opt...
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Tagged with: 6.5Inch • Audio • Coaxial • Coaxial Speakers • DB651 • High Performance • Polk • Polk Audio • speakers

I purchased a set of four DB651’s to replace the factory speakers in my 2004 Nissan Sentra. My intention was to replace the entire factory sound system piece by piece, but once I installed these speakers I realized I didn’t need to change out my head unit or add an amp. These speakers sound perfect with the factory HU. I can turn the HU up to maximum volume and the Polk can handle it with no distortion. When I first installed them, I had a raspy popping sound, but I realized the factory subwoofer was still connected. Since disconnecting the Sub the sound has been perfect! These speakers pick up the bass perfectly, so I decided not to add a sub at all. The sound isn’t competition quality, but more than what I’ll ever need. Perfect full-range speakers for the average listener. Purchasing these speakers saved me a lot of money on replacing the rest of my system. Thanks Polk!! You have a new fan!
I bought these to replace speakers in a Pontiac vibe. I am extremely please with my choice. I also replaced the factory radio because the CD was skipping and hooked these speakers up to a JVC replacement radio. Wow, what a difference. I read several reviews b4 I bought these and would agree with many people that these speakers sparkle with brilliant sound. The replacement was easier than I thought. It was an excellent choice and I would recommend it to anyone.
I installed this in a 24′ pontoon boat. WOW!! These are the best sounding speakers for the price, very good base with mimimal distortion. I am going to add another set in the spring. I could only imagine how these would sound in a car. If you are looking for a marine grade speaker for a reaonable price these are a great choice.