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The Polk Audio DB651 features 6-3/4 inch adaptor rings and 180 Watts power handling with 4-ohm impedance.

Turn up your vehicle's audio performance with the db651, a 6-1/2-inch coax speaker designed to drop into a potpourri of apps in no time at all. Advanced materials reduce element weight while supplying rock solid reliability, innovative looks and ultra high performance. Borrowing technology from Polk Audio's flagship SR Series, the db Series offers special value for the price.

Turn up your vehicle's audio performance with the db651. Click to enlarge.

Durable Butyl Rubber Surround won't fall detached under the stress of extreme temperatures, sunlight or time, for years of outstanding 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 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 element 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 lowcost to everyone! The db Series works well in OEM factory systems, as well as with high-powered aftermarket head units and element 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 with regards to more than performance. It's regarding making each detail count, from the wiring harness underneath 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 regarding your entire audio scheme and say you're ready to unleash galore real sound. Hidden wire channels give your scheme a clean, professional look. Now if you'd prefer to be more subtle in regards to your audio scheme (although why would you?), db makes a comfortable stealth installation and will mount effortlessly behind factory grilles.

The db Series fits. Yes, it's just that simple.
The last thing Polk wants is to trade you a outstanding speaker that doesn't fit. Our new multi-hole mounting pattern and shallow-depth magnet design have produced our most eminent vehicle application proportionality for easy drop-in installations in just regarding any car on the road (and in all probability galore that will have to have been taken off the road years ago). Tweeters in the factor models may be flush & surface-swivel mounted using the supplied hardware. With db, we've made sure you have greatest or most complete or best possible install flexibility.

High Efficiency Design
It means less amplifier power is necessitated for more audio output. Meaning better sound and more volume using less power. The bottom line is db Loudspeakers will unquestionably 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 carry out reliably on the water as well as they do on land. So Polk attacked each db speaker with a series of punishing real world and quickened weathering lab tests to see if they could take what some beauteous nasty marine and automotive environments could dish out. Polk exposed dbs to hundreds of hours of salt fog, intense ultraviolet light and uttermost 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