New Person Same Buzzing, Static, Heartbeat issue with my Polk Audio PSW125

Polk Audio Powered Sub - maybe 12 inch, cant find a model number, purchased from FutureShop and had a 9 year warranty but they went out of business and its has a consistent heartbeat ticking sound unless you turn it off, also it has static buzzing and will appear to come one and off. PSW125, I see that several other people have the same issue, what can I do to get this repaired??
Comments
This is usually caused by a defective 47uF cap in the signal path.
Digi-Key does stock a replacement capacitor.
The part number is 495-6019-ND.
Hope this helps.
I followed up asking if I can send this anywhere and received no reply.
Is Kim a Polk employee?
Needless to say, this did not help solve my issue.
"A doctrine fostered by a delusional, illogical minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a t-u-r-d by the clean end."
President of Club Polk