Audio System Buyer's Guide

Choosing an audio system is about more than selecting products. The right system aligns with your goals, fits your facility's communication infrastructure, and supports every person in the room — whether in a classroom, meeting space, or large gathering area.

This guide provides a structured evaluation framework. Each section addresses a specific decision category so you can compare systems on what actually matters: sound quality, safety, usability, integration, scalability, and long-term support.


What Makes Up an Audio System

A modern audio system eliminates uneven sound, reduces the effect of background noise, and ensures that every listener hears clearly regardless of their position in the room. Four capabilities define what a complete system should provide.

Core Capability

Clear and Even Voice Amplification

At its core, a classroom audio system distributes sound evenly — eliminating hot spots where sound is too loud and dead zones where sound is faint. High-quality systems maintain uniform coverage even in rooms with poor acoustics or excessive background noise, while reducing strain on the presenter's vocal cords.

Core Capability

Media Audio Support

Videos, interactive software, and other digital content play a central role in today's classrooms. Systems with stereo capabilities, multiple speakers, and line arrays provide consistent, immersive sound. A broad frequency response ensures quality reproduction of all types of media audio.

Core Capability

Reliable Paging, Intercom, and Alerts

Integration with campus, building, and emergency alert systems ensures clear communication reaches every listener, no matter where they are. Announcements and alerts arrive promptly and reliably, creating a safer and more connected environment.

Core Capability

Accessibility for All Listeners

Every space contains individuals with diverse listening needs. Students with hearing challenges benefit from sound that integrates with assistive technologies. English Language Learners need clear amplification to absorb language nuances. Those with auditory processing challenges require distortion-free, consistent sound to maintain focus. Neurodiverse individuals engage more effectively when audio includes noise-canceling features and customizable settings.


How Classroom Audio Impacts Learning

The teacher's voice is the primary medium of instruction. When audibility varies by seat, room acoustics, or background noise, students strain to hear and comprehension suffers. A classroom audio system standardizes the listening experience — making consistent audibility an infrastructure condition rather than an individual effort.

The Audibility Principle

If students cannot hear clearly, no other instructional investment — curriculum, professional development, or technology — delivers its full value. Audibility is the prerequisite, not the enhancement.


What the Specs Mean

A teacher or presenter wears a wireless microphone that transmits to a receiver, which is often combined with an amplifier. The amplifier optimizes voice and media audio, then delivers sound through one or more speakers. Understanding the options within each component helps you match the system to your environment.

Microphone Types

Boom Microphones clip to a belt or pocket with a mic extending near the mouth. They provide excellent sound quality, particularly outdoors. Pendant Microphones hang around the neck, leaving hands completely free — a popular choice for classroom use.

Speaker Options

Ceiling Speakers provide broad, even coverage while staying visually out of the way. Wall Speakers work well in rooms with angles, alcoves, or areas where ceiling mounting is impractical. Single (Point) Speakers are easy to set up but tend to produce uneven coverage unless multiple units are used. Line Arrays arrange multiple speakers in a column, providing even sound distribution and straightforward installation.

Wireless Transmission Methods

MethodStrengthsLimitations
FM RadioLong range, passes through walls, good for auditoriumsMay pick up interference from other radio signals
Infrared (IR)Superior sound quality and clarity; signal stays in the room for secure, interference-free audioRequires line-of-sight; challenging in spaces with large windows or glass
DECTSupports multiple microphones; clear, high-quality sound; works well with glass surfacesHigher risk of cross-talk; more limited range than FM
FrontRow ELEVATEUses multiple transmission methods simultaneously; adapts to different environments; avoids the limitations of any single method

Sound Quality Metrics

Sound quality is not just volume — it is clarity, consistency, and intelligibility. Three measurements define audio performance.

Signal-to-Noise Ratio (SNR) measures the level of the speaker's voice relative to background noise. A ratio of 65dB or higher ensures speech remains clear from every seat. Frequency Response defines the range of audio frequencies a system reproduces. A wider range (20Hz–20kHz) provides balanced reproduction of both voice and media. Distortion measures how much the system alters the original sound signal. Lower distortion percentages mean more accurate reproduction — preventing muffled or harsh audio that interferes with comprehension.

Feedback Management

When a microphone's output loops back into the system, it creates a squealing sound. Proper mic placement can mitigate this, but digital systems with active feedback suppression eliminate it entirely.

Installation Types

Installed Systems mount speakers and receivers to walls or ceilings for long-term use in fixed locations. Low/No-Install Systems require no wiring or mounting, making them convenient across a range of environments. Portable Systems are free-standing and easy to move — useful for spaces that require flexibility.


Safety Features

Emergency preparedness is a top priority at every school. Modern audio is a critical component of a solid communications strategy. The system should be easy to control so everyone is prepared to send quick, coordinated responses when seconds count.

What to Look For

Voice-activated emergency alert capabilities with hands-free operation. Integration with facility-wide communication networks for coordinated responses. Instant alert functionality. Centralized control for rapid management of emergency alerts. Compatibility with two-way communication systems. Emergency/panic buttons on the device and microphone.


Sound Quality

Uneven sound distribution, distortion, and lack of compatibility with assistive technologies reduce engagement and comprehension. The goal of any classroom or meeting space audio system is equal sound distribution — and speaker design is only part of the solution. Minimizing the distance between listeners and speakers matters just as much.

Ceiling and wall speakers are ideal for distributing audio evenly to a full listening area. More speakers means better coverage. Line array systems reinforce sound waves and focus energy forward, making them especially useful in auditoriums and performance spaces. Single-speaker systems are convenient and cost-effective but may amplify some areas more than others and create feedback-prone hot spots.

Speech Enhancement: OptiVoice

OptiVoice emphasizes the speech frequencies — particularly soft consonants — that are crucial for understanding. This overcomes acoustics that might otherwise distort or muffle the presenter's voice. The technology is especially beneficial for English Language Learners and other listeners who need additional support with word recognition and comprehension.


Usability

Teachers have a lot on their plates. When an audio system is complicated to set up and control, instructional time is lost. The best systems simplify installation and daily operation so teachers focus on students, not technology.

Straightforward controls that require minimal training. Plug-and-play functionality that reduces setup time. Portable, lightweight designs that are easy to move. Simple interfaces without excessive switches and knobs. Comfortable microphones — those heavier than 85 grams (3 oz) often draw complaints. Intuitive mute functionality that is easy to locate. Smart microphones that automatically shut off when not in use.


Device Integration

Modern classrooms contain a mix of technologies. The audio system should integrate with other equipment and devices — creating a cohesive environment where everything works together rather than competing for attention.

Projector and computer speakers are often insufficient for distributing sound across a room, especially for multimedia materials. Routing all audio through one system ensures clear, rich delivery. Verify that the system has enough input jacks to support the devices you plan to connect. Advanced systems with Bluetooth eliminate the need for physical connections when streaming wirelessly from laptops, phones, or displays.

Individuals with hearing loss often require additional support. Systems with mixed output capabilities ensure all audio — voice, multimedia, and alerts — is transmitted efficiently to hearing aids or receivers.


Paging & Display Integration

Advanced audio systems integrate with campus or building communication to streamline and clarify messages. When a page or intercom call arrives, the system can automatically mute or lower room audio. IT teams can remotely manage and control connected devices like projectors and document cameras from the same infrastructure.

With a fully integrated audio-visual system, schools can share messages, updates, and emergency alerts through speakers and displays in every room, hallway, office, and common area. High-quality audio ensures messages are heard clearly. Large, bright displays make those messages visible and can add context — wayfinding, procedure information, and related details.

A communication system that works for daily operations is the same system people will trust during an emergency.

Where You Need to Be Heard

Audio systems are not only needed in classrooms. Large presentations, outdoor events, assemblies, and multipurpose spaces also require clear, consistent sound.

For fixed locations, an installed system integrates with the room's existing devices and becomes part of the environment. For shared or changing locations, a portable system with line arrays provides excellent coverage and straightforward setup.

Outdoor Considerations

Infrared transmission is less effective in sunlight — use FM transmission for wireless microphones outdoors. Choose systems with long-lasting battery power. Line arrays provide excellent coverage while requiring only one unit for setup.


Scalability

Needs change. Rooms are repurposed. Districts expand. The audio system should grow with the environment without requiring replacement.

Modular designs that support future upgrades and expansions. Systems that adapt to various room sizes and teaching styles. Compatibility with hybrid and remote setups for long-term flexibility. Hassle-free expansion to additional speakers as needed.

Channel Count

The number of channels your system requires depends on how many microphones and devices will be active simultaneously. A single microphone with occasional media playback works with most systems. Multiple microphones for team teaching or student presentations — combined with additional media inputs — require more channels. Verify the system supports your current needs and provides headroom for growth.


Recording

Some environments benefit from lesson or meeting recording. If this is a requirement, verify whether the system supports recording natively or requires additional software. Recording functionality can be especially valuable for absent students, professional development review, and compliance documentation.


Support & Training

Investing in a modern audio system is only part of the process — staff need to be confident using every feature. Comprehensive training and responsive support determine whether the investment delivers long-term value or goes underutilized.

Comprehensive user manuals and video tutorials should be readily available. Professional training should ensure all users are confident in operating the system. Responsive customer service for troubleshooting and guidance. A warranty with regular updates to maintain functionality over time. On-demand resources for continued growth and expertise.


Which System Fits

FrontRow by Boxlight provides audio systems designed around the questions in this guide — with capabilities that address sound quality, safety, integration, usability, and scalability.

No/Low Install

Juno

An all-in-one unit that integrates a wireless microphone, speaker, and audio processor. Advanced DSP eliminates distortion in noisy or acoustically challenging environments. Uniform sound distribution covers rooms of all shapes and sizes. Plug-and-play setup minimizes disruption. Compatible with multimedia tools for synchronized audio playback. Energy-efficient design reduces power consumption.

Low/Flexible Install — Ideal for Tech Refreshes

Unity

Powered by FrontRow ELEVATE multi-wireless transmission. Plug-and-play installation with existing 70-volt speakers. Supports multiple microphones for team teaching, student presentations, and group discussions. Integrates with Boxlight interactive displays for synchronized audio-visual experiences. Includes emergency/panic buttons on both the device and microphone. Networked capabilities allow campus communication, remote monitoring, and control — reducing IT workload. Expandable with additional speakers, microphones, and controls.

Installed, Integrated, and Customizable

ezRoom

Powered by FrontRow ELEVATE multi-wireless transmission. A customizable, scalable solution designed for classrooms, multipurpose spaces, and district-wide deployment. High-quality audio processing delivers clear, even coverage across large or small rooms. Integrates with projectors, displays, and assistive listening devices. Includes emergency/panic buttons. Networked for campus communication and remote management. Expandable as needs grow.

Campus-Wide Communication Platform

Conductor

A centralized platform for campus-wide communication. Emergency alerts and automations facilitate rapid response. One-button instant lockdown capabilities enable facility-wide alerts. Integration with third-party school safety platforms. Multi-zone functionality allows targeted messaging to specific areas. Administrators control audio, visual, and emergency communications from one interface. Integrates with two-way communication systems and existing IT infrastructure. Centralized device management reduces the IT burden.

CapabilityJunoUnityezRoomConductor
InstallationNo/LowLow/FlexibleFull installFull install
ELEVATE TransmissionYesYes
Multiple MicrophonesYesYes
Display IntegrationYesYesYes
Emergency ButtonsYesYesYes
Campus PagingYesYesYes
Networked ManagementYesYesYes
Scalable / ExpandableYesYesYes
Multi-Zone MessagingYes
Third-Party Safety IntegrationYes
An effective audio system empowers presenters, supports listeners, and connects to the communication infrastructure a school already depends on.

Ready to Evaluate FrontRow Audio Systems?

FrontRow by Boxlight provides classroom audio, campus communication, and safety alerting — connected to Clevertouch displays and CleverLive signage as a unified system.

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