Launch Mixcraft and open the project in which you want to make an echo.
Click the "Effects" button if you want to add an echo to the entire project. If you want to make an echo for a specific Mixcraft track, click the "FX" button on that track.
Click the drop-down "Effects" menu. Click "Acoustica Delay" in the list that opens.
Click the drop-down menu under "Preset." Choose either "Slapback Echo" or "Echoes" from the list of presets.
Click the "Edit" button next to the preset. Click and drag the "Delay" slider to adjust the echo's time. Adjust the "Wet Mix" and "Dry Mix" sliders to determine how much of the echo effect Mixcraft applies to the audio.
Close the "Edit" window and the "Effect List" window. Click the "Play" button to hear the echo effect.