I have 2 on my amp and want to integrate a SUBwoofer that does not have in and out, Best good way to do this ?

[HarmoSound]

I look around already a little - And purchase some XLR splittler from aliexpress - but not I have a loop feedback in my sound ... So I wonder what I should use to make all this work !

and what you guys use ?

thanks !

[BertKoor]

All what? No details were given.
I'm sure ChatGpt will give you a confident answer.

[justin3am]

I think this person wants to know how to connect a subwoofer and a pair of speakers to an amp which just has a pair of outputs and a sub which doesn't have pass through.

Based on what has been described, I venture to guess they are using passive speakers with a separate amp. Is that correct? Is the sub also passive (speaker terminals not RCA, XLR or 1/4")? If you have active monitors and an active sub, then you can use a monitor controller which has a sub out. I use a Drawmer CMC3 but there are others like that.
If you are using passive speakers and a passive sub, you'll need amps for each an possibly a crossover. Hard to make a recommendation without knowing more.

[HarmoSound]

I have 2 active speaker and 1 active sub - so thank JUSTIN for you answer ill check more in details all of this . This seem to work , but I think I dont need that much.

So let me explain my setup more in details .
PC to AUDIENT 14 - then I send the signal to my headphone amp - I take the out from the AMP and send it to my 2 active speakers And would like to know how Can I easelly add my active sub into the mix. The XLR splitter is giving FEEDBACK into my speakers

[BertKoor]

A splitter should do what you want, provided you wired things up properly.

Audient interface outputs --> inputs of headphone amp
LINE outputs of the headphone amp --> XLR splitters
One branch of the splitters --> active monitors
Other branch of the splitters --> active sub

Now I'm writing this up: what about this headphone amp? Brand & model? Does it actually have proper line level outputs? You're not using the phones outputs of it? Otherwise you need to split the signal in three.

Does the sub work OK with the splitters removed? (so connected just like you'd have monitors only)

You can only get proper textbook feedback when the signal is, like... fed back somehow. I don't see how active speakers can physically do that.

Can you perhaps describe in other works what exactly you are hearing or experiencing?

[HarmoSound]

Its a singxer - I use it at 90% on the OUTPUT level at all time and adjust the sound level in my windows.

I figure out what was teh problem - My RCA cable from Aliexpress was badly solder - now I put another cable and its working perfectly

thanks for the information BerthKoor

[HarmoSound]

UPDATE : My sub was having a short with my whole system from the Splitter - because of a Auto shut down function ....

I have swap the Plug of the sub to another Electricity plug and Disable the auto shot down function , now everything work fine !