Speaker Hum

[savage1984]

I'm pretty sure it's just the back two. They're the ones my brother and I mounted to the ceiling and wiring through the attic-like area between roof and house. Really dusty and stuffy up there. You think there's a chance it has to do with wiring? THey're o2 free but not cl2 certified. Because those weren't available from monoprice for another two months (right about now).