6 1/2-inch slim mount mobile loudspeaker

6 1/2" slim mount coaxial
16.51cm slim mount coaxial


$9995 per pair

Available Finishes:
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Your Ride, Our Sound. Even Sweeter.

Turn up your vehicle’s audio performance with the db651s slim mount, 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. The 6-1/2 inch DXi651s comes with a 6-3/4 inch adaptor ring for easy fit in VWs, Audis, BWMs and other European cars.

DXi651s Features:

Dynamic Balance® driver technology for pure, distortion free sound.

Bi-laminate composite cones are stiff yet lightweight for big sound and little distortion.

Klippel optimized components for consistent, distortion-free sound.

Low-mass 2-layer Kapton voice coil has a high melting temperature, ensuring reliability and high power handling.

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.

Driver Complement

Diameter3/4" (1.91cm) 
TypeDynamic Balance aluminum dome 
Mid / Woofer
Diameter6 1/2" (16.51cm) 
TypeDynamic Balance polypropylene cone 


Total Frequency Response50Hz-22kHz 
Nominal Impedance4 ohms
Efficiency92 dB
Power Handling
Continuous55 watts
Peak165 watts


Cut-Out Diameter5" (12.70cm) 
Height1 1/16" (2.70cm) 
Full-Range Mounting Depth
Top Mount2" (5.08cm) 


Unit of Measurepair 
Total Shipping Weight5.3 pounds


Speaker Warrantyone year parts and labor (original purchaser) 

Specifications, dimensions and features subject to change without notice. For more information call us at 1-800-377-7655 (USA and Canada). Outside of North America call +1 (410) 358-3600.

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