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Polk MM691

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RRP: $315.00
Our Price: $289.00

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6x9-Inch Coaxial Mobile Audio 3-Way Loudspeaker


The MM691 is an ultra-high performance 3-way 6x9-inch suitable for either your vehicle or boat. As a result of 3 years of Polk research and development, the new MM series have been designed to offer unparalleled sound quality with exceptional fit to meet virtually any application. The MM Series offers exceptional value for the price. Through the use of high-tech carbon composite baskets, powerful neodymium motor structures using oversized voice coils, and state-of-the-art woven glass composite cones, we offer high-end audio performance normally found only in the most expensive loudspeaker systems. In addition, these space age materials offer weight savings that can mean higher performance for your car or boat. You won't be disappointed with the MM691's performance!

Features

Space age materials reduce weight of components while offering rock solid reliability, advanced looks and ultra high performance.

Neodymium magnets a rare earth metal offering exceptional strength to performance ratio, found only in the most exotic speakers, saves tremendous weight. Don't let the sound system weigh your vehicle down. Since the magnet is smaller, the speaker can fit into more applications.

Carbon composite basket based on the spokes of a wheel is lightweight, will not flex during peaks and looks great! Don't be afraid to show off the back of your speaker.

Woven glass composite cones feature tremendous stiffness-to mass ratio. Lower mass means faster transients and finer detail.

Klippel optimized components using a state-of-the-art Klippel distortion analyzer, Polk engineers were able to optimize the woofer's motor structure, voice coil alignment and suspension for the best possible performance, even at extreme listening levels.

Large-diameter voice coils (30mm) in drivers increase reliability and power handling capacity.

Marine Certified Polk MM Series speakers are built tough to withstand the toughest environments so they are perfect for use in boats of all types. Correct Craft offers Polk speakers in their award-winning Nautiques ski and wakeboarding boats.

All Polk products are made using the best materials and the most advanced manufacturing techniques. They pass the industry's most exhaustive quality tests, including drop testing, extreme signal response and UV & salt exposure testing. Polk loudspeakers are built to perform for a lifetime.

Specifications

Driver Complement

Tweeter

Quantity: 1
Diameter: 3/4" (1.91cm)
Type: Silk composite dome

Midrange

Quantity: 1
Diameter: 1" (2.54cm)
Type: Silk composite done

Mid / Woofer

Oval Height: 6" (15.24cm)
Oval Width: 9" (22.86cm)
Quantity: 1
Type: Dynamic Balance driver with poly composite cone

Electrical

Total Frequency Response: 30-25kHz
Nominal Impedance: 2.7 ohms
Efficiency: 94 dB

Power Handling

Continuous: 125 watts
Peak: 300 watts

Shipping

Unit of Measure: pair

Installation

Cut-Out

Oval Height: 8 3/8" (21.27cm)
Oval Width: 5 1/2" (13.97cm)

Full-Range Mounting Depth

Top Mount: 3 3/16" (8.10cm)
Bottom Mount: 3 1/2" (8.89cm)

Grille

Height: 1 1/8" (2.86cm)

Warranty

Speaker Warranty: 1 year parts and labor (original purchaser)

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