Training Room Sound System with SD5 SuperDispersion Ceiling Speaker Array, MA120BT 120W Bluetooth Mixer Amplifier and Wireless Lavalier Microphone

Inside the Design

This training room sound system is engineered to provide clear, evenly distributed audio for instructional and presentation-based environments. At the heart of the system is the Pure Resonance Audio SD5 SuperDispersion® drop tile ceiling speaker array, which delivers smooth 360° sound coverage for exceptional speech intelligibility throughout the room. Powered by the Pure Resonance Audio MA120BT 7-channel Bluetooth mixer amplifier, the system offers reliable performance, flexible input options, and simple day-to-day operation. Completing the solution is a Shure BLX wireless presenter system with a discreet lavalier microphone, ensuring consistent, professional-quality vocal reinforcement for instructors, presenters, and trainers.

Sound System Features:

• 360° omnidirectional audio coverage for consistent sound throughout the room
• Exceptional speech intelligibility for training and presentation environments
• Simple, drop-in ceiling speaker installation for fast setup
• Bluetooth-enabled mixer amplifier for wireless audio playback
• Reliable wireless lavalier microphone for hands-free presentations
• 7-channel mixer amplifier with flexible inputs and intuitive controls
• Ideal solution for training rooms, classrooms, and meeting spaces

About the System Components

Pure Resonance Audio SD5 SuperDispersion® Ceiling Speaker Array

The SD5 SuperDispersion® ceiling speaker array provides 360° of clear, evenly distributed sound coverage, making it ideal for speech-focused environments. Featuring three 5.25" drivers and a high-performance tweeter, the SD5 minimizes frequency cancellation and delivers excellent vocal clarity with low distortion. Its lightweight, low-profile design allows it to drop seamlessly into standard 2x2 or 2x4 ceiling grids, providing fast installation and professional results.

Pure Resonance Audio MA120BT 7-Channel Bluetooth Mixer Amplifier

The MA120BT mixer amplifier delivers 120 watts of clean, dependable power and features seven input channels for versatile system configuration. Bluetooth connectivity allows for wireless audio streaming from mobile devices, laptops, and tablets, while additional inputs support microphones and auxiliary sources. With intuitive front-panel controls, paging capabilities, and an included IR remote, the MA120BT is built for simple operation in training and educational environments.

Shure BLX14/CVL Wireless Presenter System

The Shure BLX14/CVL wireless presenter system provides reliable, high-quality wireless audio for professional presentations. The system includes a BLX4 single-channel receiver and a CVL lavalier condenser microphone that delivers clear, natural vocal reproduction. Designed for ease of use and consistent performance, this wireless microphone system allows presenters to move freely while maintaining excellent sound quality.

System & Component Videos

Pure Resonance Audio SD5 SuperDispersion® Ceiling Speaker Array

• Omnidirectional coverage pattern delivers 360° x 180° of consistent, even sound coverage
• Proprietary tweeter design with a lower crossover point enhances vocal clarity and speech intelligibility
• Wave-guided housing directs sound evenly throughout the room
• Ported enclosure acoustically optimized with bass-reflex tuning to reduce turbulence
• Low-profile metal back-box includes built-in safety suspension points
• Thumbwheel selectable 8-ohm and 70V inputs for compatibility with commercial amplifiers
• Installs in minutes by dropping into any standard 2x2 or 2x4 ceiling grid
• Includes safety cable kit with braided steel cables and adjustable fasteners for secure installation

Pure Resonance Audio MA120BT 7-Channel 120W Bluetooth Mixer Amplifier

• Compact 1RU, high-efficiency design ideal for commercial sound systems
• 7-channel mixer amplifier with Bluetooth wireless audio streaming
• Integrated MP3 media player with USB, SD card, and FM radio support
• Supports multiple microphone and auxiliary inputs for flexible system integration
• Bass and treble tone controls for easy sound customization
• 4–16Ω / 70V speaker output with 120W rated power
• Protection circuitry with level, overload, and fault indicators
• Forced air-cooling fan ensures reliable performance during extended operation
• Includes IR remote control for convenient system operation

Shure BLX14/CVL Wireless Presenter System with CVL Lavalier Microphone

• Professional wireless presenter system designed for speech and presentations
• CVL lavalier condenser microphone delivers clear, natural vocal reproduction
• BLX4 single-channel wireless receiver offers simple setup and dependable performance
• Operates on Shure’s reliable analog wireless platform for consistent audio quality
• Includes bodypack transmitter with secure connection for hands-free operation
• Powered by PS23US external power supply with included AA batteries

• (1) Pure Resonance Audio SD5 SuperDispersion® Ceiling Speaker Array
• (1) Safety Cable Kit: (4) Steel Safety Cables, (4) Carabiners and (4) Fastlinks
• (1) Pure Resonance Audio MA120BT 7-Channel 120W Bluetooth Mixer Amplifier
• (1) IR Remote Control
• (1) Power Cord
• (1) Shure BLX14/CVL Wireless Presenter System with CVL Lavalier Microphone
• (1) BLX4 Single Channel Wireless Receiver
• (1) CVL Lavalier Condenser Microphone
• (1) PS23US Power Supply
• (2) AA Batteries
• (1) Pure Resonance Audio XLR-3 Microphone Cable - 3ft
• (100') West Penn 225 16/2 Non-Plenum Audio Speaker Wire - Gray