A marine single voice coil subwoofer speaker Equipped with 10-inch black Dynamic Balance polymer composite cone Frequency response: 28-200 Hz Power handling: 270 watts continuous, 540 watts peak Marine certified – Polk db Series speakers are built tough to withstand the toughest environments The Polk Audio db1040 10-inch voice coil subwoofer speaker is incredible sound at an affordable price. The polypropylene cone with rigid ABS dustcap stiffens the cone for greater mechanical stability and lower […]