Polk Audio DB522 DB+ Series 5.25 Coaxial Speakers with Marine Certification ADQHDMIBB5M Speaker brackets

Speaker brackets

The spring terminals will accept up to 10 AWG speaker wire

and speaker size selector for different sizes & types of speakers

Combining practical functionality with the control of a central mixer section

Polk Audio DB522 DB+ Series 5.25 Coaxial Speakers with Marine Certification ADQHDMIBB5M Speaker bracketsDynamic 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