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2 Brand for Blocking bass from 4-5.25" Speakers.

Pack Comes With 2 Bass Blockers.

Place these on positive line to Speaker instead of the crossovers that come with your 4-5.25" Speakers for more power handling and better overall performance from your Speakers.

These are High quality Pac Audio Products

Fast Free Same Day Shipping!!

Item is 100% Brand New.

Thanks for your Interest!!!!