Hi StevetheWW,

Check the cable at the receiver pre-out level if it is correctly inserted or if there is any noticeable damage with the input. Double check the menu settings of the receiver that the subwoofer is set to yes/on. Check the controls on the back of the sub itself.

As a last resort, turn off the EP175 and unplug it from the electrical outlet for a few hours. Re-connect the cables and try again if you can hear any sound.

P.S. You can also check internally if a wire is disconnected.

I’m armed and I’m drinking. You don’t want to listen to advice from me, amigo.

-Max Payne