Amp = no overall protection, no output line.
= Pregnant with a new speaker is not covered. No filter.
Double platinum cd = no perfect loop. No MP3 playback. Right deck broke down on the second day of use.
Mixer = must contact the original on the path B. not listening to the headphone mix. no effect.
Micro = I does not even matter.
Brand that manufactures equipment made by Asian children for a pittance. The quality of the components is zero. The protection of pregnant (filter) and receiver do not exist.