The Explorer DUAL Deluxe Package AC Only Option (EXP-DPDUALAC) comes with a portable sound system that is small, lightweight, and easy to transport. It includes the EXP-8000U2AC speaker which comes with two built-in 16 channel wireless receivers, and your choices of two wireless microphones. It also comes with the EXP-8001 companion speaker, a connection cable, and two speaker stands. It is AC powered only, which means it must be plugged into a power source to run. It has two universal microphone jack inputs on the back, a "Voice Over" music ducking feature. Use it at schools, sporting events, corporate events, places of worship, and more!