The PA10/4 is a great value simple PA set that includes a 4-channel powered mixer, 10-inch speaker, speaker stand, and microphone. It is easy to carry and set up, so even beginners can use it with confidence. It is recommended for small-scale situations such as mini live performances in classrooms, karaoke, acoustic events, and street performances. The estimated number of people to use (indoors) is about 50.