Features: Brand new and high quality. Treble and Bass Dual Frequency Divider: This is a professional frequency divider commonly installed in speakers. It separates the mixed audio signal into treble and bass, which are then sent to the corresponding tweeter and woofer units during playback, enhancing sound quality. It plays a crucial role in segmenting the overall frequency signal. Perfect HIFI Sound: Speaker frequency divider makes treble clear and increases bass intensity, allowing you to enjoy clear and natural music. Supports dual treble and bass frequencies, helping to transmit treble signals to the tweeter unit and split bass signals to the subwoofer unit. High Quality and Super Durability: Wire-wound ceramic resistor and high-quality metal film capacitors ensure its high load capacity, long-lasting durability, and never burn out. Wide Application: Unit Hi-Fi audio filter sound module board, widely used in treble and bass speakers, full-frequency car speakers, or for separate treble/bass use. DIY Speaker Circuit Board: 2-way frequency divider with a circuit board design featuring precise cutouts and lines, free for welding, making it highly suitable for DIY projects. High quality and free welding. Specifications: Filtering: Treble + Bass 2-way Power: 450W (under 800W available) Frequency Point: 2850Hz Impedance: 4-16 Ω External Dimension: approx. 178x127x52mm/7.01x5x2.05in Opening Size: approx. 141x91mm/5.55x3.58in Note: Please allow 0-1cm error due to manual measurement. Please ensure you don't mind before bidding. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x 2-Way Audio Speaker Crossover Filter