Anaerobic Inductor: with low inductance, low loss, ensuring a clearer sound-quality. Audios Frequency Dividing Capacitance: Remove the capacitance on the tweeter and make the sound-quality clearer. High Performances Wiring Port: It is made of insulating material and has good electrical and mechanical properties. No welding operation is required. It is only necessary to unscrew It with a screwdriver and insert the wire for locking. Excellent sound enhancement tool with overcurrent protections to safe use, dependable and practical. Frequency Ranges: 25Hz-22KHz Impedance: 4-8Ω Out Power: 200W Frequency: 3.2KHz Attenuation Slope: 12dB/oct Colour:As Shown Material:ABS Package Contents: 2 * audio crossovers 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.