Polk Audio DB522 DB+ Series 5.25 Coaxial Speakers with Marine Certification ADQHDMIBB5M Combining practical functionality with the

Combining practical functionality with the control of a central mixer section

Wired Connectivity

and speaker size selector for different sizes & types of speakers

the intuitive front panel display

Polk Audio DB522 DB+ Series 5.25 Coaxial Speakers with Marine Certification ADQHDMIBB5M Combining practical functionality with theDynamic Balance: Dynamic Balance is a proprietary Polk Audio technology using laser imaging to determine what combination of speaker materials create the least amount of resonance. Eliminating resonance in speakers results in a wide, smooth response and low distortion. Marine Certification: Polk speakers are marine certified, making them a good choice for boats in fresh water, convertibles, motorcycles, ATVs, and other applications where the speaker