With the Epson AP-60, it's easy to enhance the learning experience. This affordable projector sound solution offers everything you need to captivate any audience. With four speakers and 60 W of sound, it's ideal for virtually any classroom or boardroom. With the infrared (IR) wireless microphone, it allows the teacher to be heard throughout the room. The AP-60 is sure to engage every student and optimize the level of retention. The AP-60 offers remarkable clarity and relieves vocal strain. It supports up to two IR microphones, as well as other audio devices.