Review on 🔊 Polk Audio DB522 DB+ Series 5.25" Marine Certified Coaxial Speakers - Black by Rene Putman

Great speakers. Excellent highs and mids. Not so much on the bass. Sounds like High +10, Mid +10, Bass +5. Still a good buy. I turn it to 25 and you can hear the difference to the factory. Easy to mount on my motorcycle. I have not installed with an amplifier. PROS: Audio gets louder as you turn up the volume (factory speakers seem to stop at some point). You hear all the records and high hats. Not to mention words. CONS: Not enough bass (you can hear it, but it's a bit quiet). High frequencies drown it out. Speaker grille did not fit my 2015 XC.