QTX Subwoofer filter, 12dB, 120Hz, 4 Ohms, 400W - 900.582UK

Passive 4 ohms subwoofer filters for use in Hi-Fi and PA loudspeaker systems.
Crossover frequency 120Hz
Damping factor of 12dB/oct
Connections by solder terminals
Damping 12dB/Oct.
Frequency 120Hz
Impedance 4 Ohms