Axiom mentions the use of cheater plugs in the EP350 troubleshooting guide with regards to hum.

http://www.axiomaudio.com/troubleshooting_ep350.html

I don't think any manufacturer out there recommends the use of cheater plugs but it is still an option.

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

-Max Payne