Product name: treble midrange bass three-way crossover Maximum power: 150W Frequency response: 50hz-20khz Adjustable frequency of treble frequency divider: 2000HZ-20KHZ Alto adjustable frequency divider frequency points: 780hz, 820hz-2000hz Bass adjustable crossover frequency: 50hz, 100hz-900hz Suitable impedance: 4-8Ω Suitable for 4-11 inch speaker below 150W Application: For home audio treble midrange bass three-way DIY Colour:Blue + Red Material:ABS Size:93x63x28mm Package Contents: 1 * Frequency Divider Only the above package content, other products are not included. Note: Light shooting 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.