The Plenum-Rated 2x2 Drop In Ceiling Speaker is specifically designed for use in K-12 classrooms to deliver high quality audio from multimedia presentations, video clips, movies and other curriculum throughout the classroom. This speaker is designed to mount in the drop-ceiling frame that is often present in classrooms. Available in an industry standard 8 Ohm version, this speaker ensures long life and quality sound. The Plenum-Rated 2x2 Drop In Ceiling Speaker integrates seamlessly with an Audio Amplifier to provide a complete classroom sound system. Additionally, the speakers can be combined with the A/V controller and RapidRun® for a complete connected classroom. This ceiling mount speaker provides a clean, unobtrusive look while dispersing sound down to students at 100 degrees for full classroom coverage.