Fangrui Product Details Treble And Bass Dual Frequency Divider: This Is A Professional Frequency Divider, Which Is Widely Installed In The Speaker. To Separate The Mixed Signal Into A Treble, Bass, And Then Were Sent To The Corresponding Treble, Bass Speaker Unit In Playback, Resulting In Enhance The Sound Quality Purposes.playing An Important Role Of The Total Frequency Signal Segmentation. Hifi Sound: Speaker Frequency Divider,make The Treble Clear And Increase The Intensity Of The Bass, Freely Enjoy Clear And Natural Music.treble And Bass Dual Frequency Support, Helps To Mit The Treble Signal To The Tweeter Unit, And Divide The Bass Signal Into Subwoofer Unit. High Quality And Super Durability: Wire Wound Ceramic Resistor And High-quality Metal Film Capacitors, Ensure Its Large Load Power, Long-term Durability, Burnout. Wide Application: Unit Hi-fi Sound Filter Module Board,widely Use In Treble And Bass Speakers, Car Full Frequency Speakers, Or Use Treble/ Bass Alone. Diy Speaker Circuit Board: 2 Way Frequency