Full Frequency LCR Notch Filter Wave Trap For 2-4 Inch Speakers – DIY Audio

Got a DIY speaker project on your hands?

This LCR notch filter is just what you need to clean up the sound on your 2 to 4-inch speakers.

It’s an open-box unit, fully functional and ready to wire into your build.

Designed as a full frequency wave trap, this filter helps eliminate unwanted frequencies and makes your audio setup sound way cleaner.

Made in China and compatible with just about any brand, it’s a universal component that won’t lock you into one system.

No MPN or UPC, just solid performance for hobbyists and tinkerers.

If you're into custom speakers or repairing older gear, this little guy pulls its weight without costing a fortune.