ITEM NAME:Ajustable Treble Bass 2 Way Audio Frequency Divider Speaker Crossover Filters Description: Crossover frequency: 3.0KHz Impedance: 2/4/6 Ohm Maximum power:220W Effective frequency: 55Hz-20KHz Cross slope: 12dB / oct Specification: Size: Length 120mm * Width 65mm Package Includes: 1 Piece 2 way Filters Board SKU: ALU0014563768002310.Cross slope: 12dB / oct. Crossover frequency: 3.0KHz. Effective frequency: 55Hz-20KHz. 1 Piece 2 way Filters Board. Size: Length 120mm Width 65mm. SKU: ALU0014563768002310.