Treble and Bass Dual Frequency Divider: This is a professional frequency divider, commonly installed in speakers. It separates the mixed signal into treble and bass, then sends them to the corresponding tweeter and woofer units during playback, resulting in improved sound quality. It plays a vital role in overall frequency signal segmentation. Perfect HIFI Sound: Speaker frequency divider, makes the treble clear and increases the intensity of the bass, freely enjoy clear and natural music. Treble and bass dual frequency support helps transfer the treble signal to the tweeter unit and divide the bass signal to the subwoofer unit. High Quality and Super Durability: Wire wound ceramic resistor and high-quality metal film capacitors, its large load power, long-term durability, never burned out. Wide Application: Unit Hi-Fi audio filter module board, widely used in treble and bass speakers, car full-frequency speakers, or use treble/bass alone. DIY Speaker Circuit Board: 2-way frequency divider, circuit board design with precise cutouts and lines, free for welding, very suitable for DIY. High quality and free welding. Filtering: 1 treble + 1 bass 2 ways Power: 450W Impedance: 4-8ohm Frequency point: 2850H/2900Hz Color: Blue Material: PCB + electronic components Size: .145x90x40mm Package Contents: 2 * Speaker Crossover Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.