Multimedia player / recorder is a dynamic, all-in-one media center for educational uses. Powerful speakers are loud enough for groups up to 100 people & can be used as a mini public address system. Built-in microphone records student responses to help you monitor their progress. Variable speed playback for its CD / cassette players is perfect for differentiated language learning as well as music & dance instruction. External casing is made with rugged, ABS plastic for safety & durability. Steel grilles protect the speakers from accidental damage. Two, 1/4" external speaker jacks allow you to quickly connect additional speakers. Line input / output connects with computers & other equipment. Six, built-in headphone jacks offer listening center capabilities for an extended learning experience. Detachable power supply stores in the internal compartment when not in use for easy storage & transportation. Full-function remote control offers classroom flexibility & performance.