The AN-Mini speaker monitor is the most powerful, smallest system in the market. The AN-Mini is battery-operated so you can take it anywhere. It delivers a powerful sound, which will project clear, intelligible speech. Just switch it on and you are ready for any indoor or outdoor assemblies. You can also connect your iPod, MP3 player, or CD Player to the AN-Mini. Perfect for any school event, special event, classroom, or cheer squad.