If students can’t hear what’s going on, learning will suffer. Even in relatively small learning spaces, HVAC equipment, hallway activity, hard surfaces, poor speaker placement, and distance from the instructor can make speech difficult to understand. A well-designed classroom audio system helps distribute sound more consistently, allowing students to focus on the lesson rather than strain to hear it.
Classrooms are rarely acoustically neutral. Sound reflects from walls, floors, windows, whiteboards, and other hard surfaces. At the same time, conversations, ventilation systems, equipment, and activity outside the room create competing noise. These conditions can make an instructor’s voice less distinct, particularly for students seated farther away.
A systematic review published in Frontiers in Psychology found that classroom acoustics can affect learning, motivation, engagement, social relationships, and student well-being. The review also reported that 46% of students rated classroom noise as unacceptable. Against this backdrop, the classroom audio system you choose becomes critical.
Students do not need to have diagnosed hearing loss to be affected. Learners may struggle when an instructor turns toward a display, speaks while moving around the room, or competes with background noise. Even minor clarity problems can increase listening effort, leaving students with less attention available to process and retain the material.
Clear and evenly distributed sound can influence several parts of the student experience, from following a lecture to participating in group discussion.
When students can hear an instructor without straining, they can direct more attention toward understanding the lesson. Distributed speakers and instructor microphones help maintain consistent classroom audio volume throughout the room, rather than making sound noticeably louder near the front and weaker toward the back.
This consistency is especially valuable in large classrooms, lecture spaces, laboratories, and flexible rooms where instructors move among students. It also helps students hear multimedia presentations without sudden changes in volume between spoken instruction and digital content.
Improved classroom audio also supports students with hearing difficulties, multilingual learners, students with attention challenges, and those who process spoken information differently. As part of a broader accessibility strategy that considers room acoustics, it can help everyone in the room.
Modern instruction often involves more than a lecture delivered from the front of the room. Students may participate in discussions, present projects, collaborate with remote classmates, or interact with guest speakers through video conferencing.
Microphones, speakers, and integrated controls can make these activities easier to follow. Instructors can transition between speaking, playing a video, hosting a remote participant, and inviting student questions without disrupting the flow of the class. Better sound can also improve recordings used for lecture capture or asynchronous learning.
The appropriate equipment depends on the room’s dimensions, acoustics, instructional purpose, and existing technology. A small seminar room may require a relatively simple setup, while a large lecture hall may need multiple integrated components.
Common elements include:
And, all of it has to integrate seamlessly within your classroom so you aren’t wasting time having to struggle with the technology to make it work.
More than 40% of AV equipment spending in education goes toward traditional classrooms, the largest category of spend. Because classrooms represent such a significant portion of AV demand, institutions benefit from planning purchases across buildings and departments rather than treating every room as a separate project. Coordinated purchasing can help establish common equipment standards, reduce the number of products that technology teams must support, and create a more familiar experience for instructors moving between rooms.
Lifecycle planning is equally important. Microphones, speakers, controls, processors, displays, and conferencing equipment may have different replacement schedules. Understanding these cycles allows institutions to budget more predictably and avoid replacing an entire setup when only one component has reached the end of its useful life.
E&I Cooperative Services is the only member-owned, nonprofit sourcing cooperative focused exclusively on education. Through its competitively solicited cooperative contract with B&H Photo Video, members can access more than 700,000 products spanning audio, video, projection, multimedia, AV presentation, surveillance, and everyday technology. The contract also provides favored pricing, instant quotes, technical advice, dedicated account support, online purchasing, and punchout capabilities.
Explore the E&I B&H Photo Video cooperative contract to simplify the sourcing of classroom audio systems and educational AV equipment.