Our Church uses Yamaha CM 12V speakers for monitor, powered by QSC GX5 amps. Every 3 to 5 minutes once we hear a weird buzzing static noise from the speakers. The noise will be loud, and will last for less than a second. This has been happening for a while now. Can anyone help me to fix it?
QSC GX5 Stereo Power Amplifier - http://www.guitarcenter.com/QSC/GX5-Stereo-Power-Amplifier.gc
Let me know if you need any more details.