[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 frequency support. helps to transmit the treble to the tweeter unit. and divide the bass into subwoofer unit. [Durability]: Wire wound resistor and metal film capacitors. ensure its large load power. long term durability. [DIY Speaker Circuit Board]: 2 Way Frequency Divider.Circuit board design with cutouts and lines for welding. very suitable for DIY and free welding. [Wide Application]: Unit Hi Fi Sound Filter Module Board.Widely use in treble and bass speakers. car full frequency speakers. use treble/ bass alone. [Treble and Bass Frequency Divider]: This is a professional frequency divider. which is widely installed in the speaker. To separate the mixed 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 segmentation. Specification: Material: PC Size Chart: 14.5cmx9cm/5.71inchx3.54inch Package Includes: 1Speaker Audio Crossover Filter Note: Please allow slightly errors 1-2cm differences due to manual measurement.