The Pyle Pro 401 is a 150 Watt, 4 channel powered PA mixer and amplifier. This product is perfect for small intimate gatherings where a PA system is needed. This product includes 4 balanced microphone inputs, inputs for cassettes and cdís, and built in reverb with individual control. Each channel has itsí own volume and equalizer control. Also expect great sound as this mixer includes a Master EFFX control with echo and a line audio RCA output for use with such products as an IPod or MP3 players.