BB-525 Bass Blocks Designed to Protect Car Audio 5.25 Inch Speakers, Eliminate Frequencies 0-800Hz at 4Ohms, Pair

-Protects car audio 5.25” speakers from receiving damaging frequencies.

-Frequencies blocked:  4 ohms: 0-800 Hz / 8 ohms: 0-400 Hz

-Easily handles power of up to 50 watts.

-Yellow color coded leads for easy identification. Encased with wire leads for easy installation.

-Designed to enhance the performance and power handling of tweeters by removing frequencies beyond their capabilities.