BB-4 - Bass Blocks Designed to Protect Car Audio 4 Inch Speakers, Eliminate Frequencies 0-1.2khz at 4ohms, Pair

The BB-4 Bass Blockers are passive inline filters engineered to protect 4-inch car audio speakers from low-frequency damage. By eliminating frequencies below 1,200 Hz at 4 ohms, they prevent distortion and extend speaker life without requiring additional amplification or wiring complexity. A practical solution for tweeters and small-diameter speakers operating in full-range systems.

• Frequency blocking: Eliminates 0–1,200 Hz at 4 ohms; 0–600 Hz at 8 ohms
• Power handling: Rated for up to 50 watts
• Sold as a pair: Includes two units for stereo installations
• Color-coded leads: Orange wiring for quick identification and correct placement
• Encased design: Wire leads included for straightforward inline installation
• Tweeter compatibility: Improves performance and power handling by removing out-of-range frequencies