2pcs 200W Pure Bass Subwoofer Crossover Second-Order Crossover Frequency Distributor Divider 2 Way Speaker Audio Crossover Filter

I tried 0hz which made no sense, but sounded good. Then tried 8 hz which did not sound good. Set both back to 0. Using on a cheap BT amplifier with 4 speakers running parallel, but have a bigger one coming that will have separate power outputs so i can get more power for each speaker. Hopefully, will work well. Would buy these again. BTW, comes bareboard so i used cardboard and a zip tie to wrap each unit to avoid grounding in my door panels.

8 ohm setting seemed to sound better than the 0 ohm for my setup. Going to use these again on another set of speakers. Months later- Pict of the second set of speakers I put these in with excellent results. You can see one of the first speakers I put these in behind to the right. The first one I bought to replace the burned out circuitry in a Klipsch sub. Worked well there too with a separate amp. I’m not sure why others are having issues.

After installing these crossovers. All I heard was static under the bass like bad coils in the subs. So I ran the subs with no crossovers, and they sound way better w/o the crossover. Disappointed spend more to get better quality. I was still hearing the highs thru the sub. I went with component crossovers. That did the job.

The 0 & 5hz switch is just off and on. You can't hear 5hz so that's not the crossover frequency. No idea what the cut-off is but so far so good, sounds just like it did with the factory Polk amp/crossover. No issues, inexpensive would recommend.

It’s ok, doesn’t really meet the frequency levels expected.

Absolutely love these, I ordered 2 but need 6 more

This little gem works extremely well with the Bass Shaker (Transducer) I am using with my flight simulator setup. I was a bit hesitant at first because of some negative reviews but I am very pleased with it. I have made a small base for it to sit on top of my sub amp. I have set it to 0 HZ for my purpose and it filters all mid and highs out. I wish they made the PCB in black and used the golden type capacitors or made a "luxory" model. Anyway, all in all I am very happy with this purchase and will buy more to have a spare, just in case.

I took a broken jbl 1000 subwoofer and bypassed the burned out amp to make it a passive subwoofer sounds good on running off a 7.1 amp. Iwillbe ordering a couple more soon to use in a speaker build in progress.