Frequency Asked Questions

Learn to identify audio frequencies using this simple, free app. This is a good way to train your ears to mix audio or eliminate feedback.

How it Works:

- Buttons for up to 32 of the commonly used frequencies are displayed from left to right - just as they would be on an rack mount EQ or mixing board.

- Click the button matching the frequency you hear.

- When you are correct, the next frequency will play.

Features:

- Select from three frequency ranges based on the quality of your speaker (or headphones)

- Select "Easy Mode" to reduce the number of frequencies until you've learned the basics