100% brand new and high quality Frequency Divider: The function of the frequency divider is to separate the mixed analog audio signals into high-pitched, mid-range and low-pitched parts, and then respectively send them to the corresponding high, medium and low woofer units for playing, thereby achieving the purpose of improving the sound quality. Professional: This is a tweeter+mediant+bass three-way KTV, stage professional speaker crossover and DIY upgrade tool which is to improve audio quality. High-quality Capacitors: Low loss and high quality, no longer have the problem of electrolytic capacitors. High-quality Materials: High temperature resistant wire, wire wound ceramic resistor and imported metal film.Over-current protection design, simple and beautiful line, reasonable component layout.Small switch can adjust the treble (normally 3 db can be added). Ensuring large load capacity, long-term durability and very good sound quality.Any questions,Please feel free contact us,we will do our best effort to serve you. Material :ABS+Metal Color: Blue, Red Product Dimension: approx. 121x88x35mm/4.76x3.46x1.38inches Net Weight: 250g/0.55lbs Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 1 Set WEAH320 Frequency Divider