2455AV-03 AM/FM stereo media player powerful enough for 100 students and learning center flexibility with 6 built-in headphone jacks with five rugged 2924AVPS Stereo headphones; Reads CD-R/RW files; Variable playback CD/cassette settings meet the demands of differentiated learning styles; Voice-Over feature with a wired microphone projects announcements over any audio program; Multiple input and output jacks for added capabilities (microphones, headphones, external speakers); For independent or group learning, tutorials, dance & music instruction, language instruction and playback of recorded books