Features: 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 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, professional speaker crossover and DIY upgrade tool which is to audio quality. High-quality Capacitors: Low loss and high quality, no have the problem of electrolytic capacitors. High-quality Materials: High temperature resistant wire, wire wound ceramic resistor and 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 load capacity, long-term durability and very good sound quality. Specifications: Material: ABS+Metal Color: As Shown Product Dimension: . 138x90x33mm/5.43x3.54x1.30inches Net Weight: 200g/0.44lbs Filtering characteristics: 1 high, 1 medium and 1 low three-way frequency Power: 250W Impedance: 4-8 ohms Crossover : bass/midrange 850Hz, treble/midrange 2 ways, 200Hz-5500Hz switch adjustable Package Contents: 1 x Frequency divider Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real . The measurement allowed error is +/- 1-3cm.