Polk Audio DB521 5.25" Coaxial Speakers Marine Certified (Pair/Certified Refurbished) blu ray - frequency response: 35-21

- frequency response: 35-21

Impedance 6 Ohms

Accessories can be added to many of the products for even more robust functionality

and wall mounting options

or backyard gatherings without compromising sound quality

Polk Audio DB521 5.25" Coaxial Speakers Marine Certified (Pair/Certified Refurbished) blu ray - frequency response: 35-21What are Certified Refurbished Specials? Electronics Expo's Certified Refurbished Program was designed to give customers peace of mind when purchasing refurbished units from Electronics Expo. Certified Refurbished products go through meticulous inspection processes including functionality testing, basic cleaning, inspection, and repackaging. These items may have had a minor blemish, scratch or defect repaired. Certified Refurbished item are fully