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New Klipsch Promedia 2.1 THX Subwoofer not working


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I just set up my Klipsch speaker system I got from Walmart and although both my left and right speakers work fine, my subwoofer is not working.  I have tried reseating the 9 pin serial connection and trying different power outlets as well as ensuring the subwoofer's knob is turned up where it needs to be.  I have also tried to see if maybe using the AUX input would show any different results but this has sadly resulted in nothing as well.  Does anyone have any suggestions on what's up?

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On 3/17/2021 at 10:45 PM, Oddball44 said:

I just set up my Klipsch speaker system I got from Walmart and although both my left and right speakers work fine, my subwoofer is not working.  I have tried reseating the 9 pin serial connection and trying different power outlets as well as ensuring the subwoofer's knob is turned up where it needs to be.  I have also tried to see if maybe using the AUX input would show any different results but this has sadly resulted in nothing as well.  Does anyone have any suggestions on what's up?

Have you had any luck fixing this? I just got mine in yesterday and I’m having the same problem 

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  • 1 month later...

Hi Folks!

 

I was having the same issue and I was able to fix it. Remove all the surrounding screws on the back of the sub's rear plate. That will let you take the whole back piece off with all the boards attached.

 

I noticed the minute I looked at the board that the cable from the sub was unplugged. The connector that clips it to the board is not very strong at all. I reconnected the cable and everything works exactly as it should. 

 

Hopefully this helps someone having the issue of the sub not working!

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  • 4 weeks later...
On 5/18/2021 at 9:09 PM, cvdisace88 said:

Hi Folks!

 

I was having the same issue and I was able to fix it. Remove all the surrounding screws on the back of the sub's rear plate. That will let you take the whole back piece off with all the boards attached.

 

I noticed the minute I looked at the board that the cable from the sub was unplugged. The connector that clips it to the board is not very strong at all. I reconnected the cable and everything works exactly as it should. 

 

Hopefully this helps someone having the issue of the sub not working!

 

Thanks for this!!!!!

Exact same thing here. it's just a 4pin connector. If you've ever plugged a fan into a motherboard it's the same kind of cable. They must bump loose in shipping.

Edited by Keegs79
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  • 1 month later...
On 5/18/2021 at 7:09 PM, cvdisace88 said:

I was having the same issue and I was able to fix it. Remove all the surrounding screws on the back of the sub's rear plate. That will let you take the whole back piece off with all the boards attached.

 

I noticed the minute I looked at the board that the cable from the sub was unplugged. The connector that clips it to the board is not very strong at all. I reconnected the cable and everything works exactly as it should. 

 

Hopefully this helps someone having the issue of the sub not working!

 

Thanks! I had a different connector loose, but it was a simple fix with this advice.

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Also had this issue, subwoofer wires were not even inserted into the white plug. Inserted wires into correct pin holes for the white plug and then plugged it in. Unfortunately the connection is so bad and loose I will most likely have to reseat the plug if I ever move the subwoofer.

 

Other than that issue the speaker set is amazing, especially for the recent sale price of $70. If this is a common issue I would imagine a lot of returns will be happening, don't see most consumers taking apart a brand new speaker set to fix this issue.

 

Please remember to unplug the speakers before opening them, totally didn't make this mistake myself and got a nice shock 😅

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