Visaton 2148 FR 8 WP - 4 Ohm Black Round Saltwater Resistant Speak...

OHM - A measure of resistance named after George Simon Ohm

Black - A colour which does not emit any colour of the spectrum. Black absorbs all frequencies of the spectrum.

Waterproof - Resistant to water, usualy specified by depth in metres

Quality - An object that has quality is superior in function and finish than a less quality object.

Resistant - Something that can repel against something.

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