easy to install,great sound at all volumes,stylish design,high power handling 100 rms 200 peak,3 year polk warranty.

none so far

I recently installed a pair of polk momo mmc 690's in my car pair with diamond audio up front. The polks really sound fantastic. They rival my diamonds in sound! The highs are smooth and crisp and the mids are well defined. They put some great bass for a 6x9 and blow all other 6x9's away. Give them a listen you won't be disapointed!

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