Audiopipe BB133 Bass Blockers – Pair of 300 Hz Inline High-Pass Filters for Speakers

Enhance your car audio system’s performance by tailoring frequency response with the Audiopipe BB133 Bass Blockers (300 Hz). These passive inline high-pass filters are designed to attenuate low-frequency signals below approximately 300 Hz at 4 ohms, helping protect midrange and full-range speakers from excessive bass that can cause distortion or damage.

Each pair includes two non-polar capacitive bass blockers configured with 133 µF capacitance, optimized for popular speaker sizes such as 6″×9″, 5″×7″ and 6″×8″. Simply wire each blocker inline with a speaker’s positive and negative leads to establish a high-pass filtering effect that keeps undesired bass out of smaller drivers.