the difference in just only the switch. emetabox 1 with power button on/off at the back was originaly made from korea which for asian users. emetabox 1 without power switch on/off was assemble intended to middle east market and assembled in middle east. both can accept d/s and MTG. both belongs to metaware group of companies. Both are working for dream au when u patch it with the latest release. another thing is besat too which is solely sold to middle east. these 3 receiver both works for dream au. pm guro1925 since he shipped hundreds of besat already in his territory.