Custom BNC FMOD ™ Inline Crossovers (High Pass Filter)

🇺🇸 MADE IN THE USA 🇺🇸

Standardized at 22K ohms and a - 3db frequency point.

Protect your speakers and eliminate distortion with precision. With a 12 dB per octave slope, these plug-and-play Harrison Labs (Red Label) FMOD’s (sold in pairs for two channel systems) are professional passive BNC line level crossovers that filter out unwanted low frequencies before they reach your amplifier. By removing subsonic noise and power-robbing low-end, these inline filters ensure your audio system plays louder, cleaner, and more efficiently. These high-end units are housed in a rugged die-cast aluminum Pomona enclosure with male and female BNC connectors, delivering the same high-performance engineering in a durable, professional-grade build.

Choosing the Right High Pass Frequency

For optimal performance, technical precision is essential. If you are undecided between two frequency values, the professional recommendation is to err on the side of the higher value.

Selecting the higher frequency provides a greater safety margin, protecting your speakers from low-end strain and over-excursion. This ensures a cleaner, more efficient output and superior protection for your professional or car audio system.