ZR 10" Subwoofer 700 Watts Rms DVC 4-Ohm WM Do the balls come pre-polished

Do the balls come pre-polished or need conditioning

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and the built-in microphone ensures clear calls

providing consistent

CE7 are designed with user convenience in mind

ZR 10" Subwoofer 700 Watts Rms DVC 4-Ohm WM Do the balls come pre-polishedDS18 ZR10. 4D 10" Car Subwoofer with 1400 Watts 4 Ohm DVC The ZR subline is an amazing entry level subwoofer that both handles great power and gives you smooth clean bass. These subs work great in both sealed and ported boxes giving you many options for placement in any vehicle. This 10 inch model comes in both dual 2 and dual 4 ohms configurations giving you many options to perfectly match your amplifiers optimal impedance. This model comes with a 2.