Echo can be added to the sound from the mic connected to this unit. The front panel switch can be used to set the effect to two levels or turn it off. With the AD-850-SE and a mic, you can easily enjoy karaoke.
* You will also need a separate amplifier and speakers for karaoke.
Echo explanation
This adds reverberations to the original sound. The original sound is repeated with various amounts of delay and damping over time to produce an almost natural reverberation sound, similar to that heard in a hall or studio.