Monacor DN-4, 3-Way Crossover for 8 Ohm, Air core coils, High quality, bipolar electrolytic capacitors, Output impedance: 8 Ohm, Crossover frequency: 650/6000 Hz, Slope/oct.: 12/6 dB, Max. input power: 100 W, Dimensions: 120 x 23 x 70 mm, Weight: 0.315 kg