Subwoofer Filter. Passive 4 Ohms subwoofer filter for use in Hi-Fi and PA loudspeaker systems. Crossover frequency: 120Hz Slope: 12dB/octFrequency: :- 120Hz Slope: :- :- 12dB/Oct.
Impedance: :- 4 Ohms Power: :- :- 300 Watts rms.