800W Deep Bass Subwoofer Frequency Divider Crossover Filter Home HiFi Amplifier Audio System Passive Subwoofer Speaker Dedicate From Haoh, $82.92 | DHgate.Com
Subwoofer Crossover 4 Ohm 130 Hz 200w
1200 Watt 150Hz High Power, Low Pass Subwoofer Passive Crossover On te – SpeakerAddict