MixEfx:

MixEfx is a free Macintosh and Windows compatible application designed specially by Zoom.With MixEfx, you can set mix parameters and add high-quality effects such as reverb and echo. Other features include a low cut filter, phase reverse, AUTO GAIN control for each input. MixEfx even has three memory slots for saving user settings with quick recall.

Download MixEfx for Mac:
Download MixEfx for PC:

MixEfx