MAIN FEATURES   Protect your midrange clarity and prevent distortion by filtering out damaging low frequencies from your 6.5" speakers. The BB-65 blocks approximately 0–600 Hz at 4 ohms (and 0–300 Hz at 8 ohms),...

MAIN FEATURES   RECOIL Bass Blockers are specially engineered to improve the performance and reliability of your car's 3.5" (86mm) speakers—particularly tweeters—by filtering out low-frequency signals that can cause distortion or damage...

MAIN FEATURES   Specifically engineered for tweeters, Recoil Bass Blockers are inline capacitors that effectively filter out low-frequency signals that can cause distortion or damage to high-frequency drivers. By allowing only appropriate higher...

MAIN FEATURES   RECOIL Bass Blockers are designed to protect and improve the performance of 4” (100mm) car audio speakers by filtering out low-end frequencies that smaller drivers—especially tweeters—aren’t built to handle...

MAIN FEATURES   RECOIL Bass Blockers are engineered to protect and enhance the performance of 5.25” (130mm) car audio speakers by filtering out low frequencies that can distort sound or damage delicate components—especially tweeters. By...

MAIN FEATURES   RECOIL Bass Blockers are built to protect and enhance the performance of larger car audio speakers—specifically 6" (160mm) and 6x9" models—by filtering out low-end frequencies that can overload tweeters and smaller...