1. It adopts over-current protection device, which is sturdy and durable with long service life. 2. The high-capacity part uses the famous non-inductive capacity in parallel, and the high-power non- capacitor, the low-frequency part is converted by inductance to achieve a clear and full effect. 3. The PCB floor adopts fireproof board, and the thicker copper layer can withstand high current. 4. The special capacitor of polypropylene film voltage divider and the inductance coil of high temperature resistance wire its carrying capacity, long-term durability and very good sound quality. 5. 2 x 300W 3 Way Speaker Frequency Divider Loudspeaker Crossover Filter Circuit 40Hz/20kHz Filter Circuit 40Hz/20kHz Max Power: 300W Impedance: 4~8ohm Mounting Diagonal Hole Distance: 190mm Mounting Adjacent Hole Distance: 143mm,127mm Recommend Speaker Used Range: 12 inch speaker Material:Plastic + Metal colour:As Shown Package Contents: 2 x Speaker Frequency Divider 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.