Great Church Sound

現場聲音提示，實際上混頻器，即時反饋消除指導，以及更多！

Learn tips to instantly eliminate feedback, practice mixing and EQ with a multi-track digital mixer, learn about frequencies, follow a comprehensive soundcheck checklist, and get access to more free tools to help you get better results with your sound system. There is even a free frequency analyzer and SPL meter included.

The Great Church Sound mobile app is the perfect interactive companion to the book "Great Church Sound - a guide for the volunteer".