SIRIO 2016

[18TW074]

Hi! New to 11 meters and just put the sirio 2016 up in my roof ,When i transmit my subwoofer make noise .I have the same at 80/40/20 meters but with a lowpass filter and a choke balun it's better .What can i do for the sirio antenna at 11 m band?The problem is i worried for my neighbors