White Noise System with 12 C3 3" 70 Volt Ceiling Speakers, MA120BT 120W Bluetooth Mixer Amplifier and SMG1 Sound Masking Generator

Inside the Design

This white noise sound masking system combines twelve Pure Resonance Audio C3 3" micro ceiling speakers with the MA120BT 7-channel 120W Bluetooth commercial mixer amplifier and the SMG1 sound masking generator for a plug-and-play solution that enhances privacy and reduces distractions. The system allows frequency adjustment for white, brown, and pink noise, providing customizable sound masking to suit any environment. It seamlessly integrates sound masking with background music and paging, optimizing speech privacy and creating a comfortable, focused atmosphere. Includes 500' of 18/2 plenum-rated speaker wire for flexible installation. Ideal for offices, medical facilities, conference rooms, libraries, and other commercial spaces requiring enhanced privacy and reduced noise distractions.

Sound System Features:

• Designed for drop tile ceilings, with C3 speakers featuring screw-on Easy-Mounting threaded mounting rings
• The C3 provides the smallest possible footprint while maintaining high-quality sound; twelve speakers cover approximately 1800–2700 SF
• Adjustable tone control for customized sound masking with white, brown, or pink noise; compact, durable design for reliable, privacy-enhancing performance
• Integrated Bluetooth enables wireless playback for ambient music or other audio sources
• MA120BT mixer amplifier allows control of sound masking, music, and paging with adjustable levels and mix proportions
• Multiple inputs support wired microphones, AV equipment, and computer audio; included IR remote allows easy adjustment from a distance
• Passive cooling design ensures quiet, reliable operation for long hours in busy environments

About the System Components

Pure Resonance Audio C3 Micro Ceiling Speakers

Ideal for drop tile ceilings, the C3 3" micro ceiling speakers are compact, lightweight, and feature an intelligent design that seamlessly blends into the ceiling. With 8Ω and 70V taps, these speakers deliver high-quality sound for sound masking, background music, and paging applications. The Easy-Mounting threaded ring allows secure, clean installation without additional hardware, making them perfect for offices, medical facilities, and other commercial spaces where speech privacy and ambient sound control are important.

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

The MA120BT 7-channel 120W Bluetooth mixer amplifier is a compact shelf-mount design ideal for small to medium commercial installations. It delivers reliable performance for distributed audio systems, supporting 70V, 100V, 4Ω, and 8Ω speaker output configurations. With integrated Bluetooth, USB, SD, and FM playback, plus multiple mic and line inputs, the MA120BT provides flexible audio integration. Featuring a frequency response of 60 Hz-15 kHz with <0.5% THD, a high signal-to-noise ratio (Line ≥85 dB; Mic ≥72 dB), passive cooling, and built-in protection against short-circuit, overload, high temperature, and clipping, this amplifier ensures clean, stable sound. Ideal for smaller systems requiring multiple inputs and flexible outputs, it includes an IR remote for convenient control of music, paging, and sound masking levels.

Pure Resonance Audio SMG1 Sound Masking Generator

The SMG1 is a versatile sound masking generator designed to enhance speech privacy and reduce distractions in commercial environments. Compact and durable, it provides adjustable frequency control for white, brown, and pink noise, allowing customization to suit any space. With a plug-and-play setup, the SMG1 is ideal for offices, medical facilities, hotels, call centers, and any other environment where privacy and noise reduction are critical.

System & Component Videos

Pure Resonance Audio C3 3" Micro Ceiling Speaker with C3 Easy-Mounting Ring

• Compact and lightweight
• Smallest possible footprint while maintaining powerful quality sound
• Intelligent, stylish design that seamlessly blends into the ceiling
• Power tap transformer switch for selectable 8 ohm or 70V/100V operation for commercial applications
• Tap settings:
• 70V: 8 ohm, 1.5W, 3W, 5W
• 100V: 8 ohm, 3W, 6W, 10W
• Quick & easy installation with threaded mounting ring
• Perfect for background music in offices, retail stores, restaurants, hotels, foyers, and auxiliary spaces
• The threaded mounting ring provides secure, clean installation into ceiling tiles with no additional hardware required

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

• Compact shelf-mount design ideal for small to medium commercial installations
• 120W power output for reliable performance in distributed audio systems
• 7-channel mixer amplifier with multiple mic and line inputs for flexible integration
• Built-in Bluetooth for wireless music streaming from compatible devices
• Integrated MP3 media player with USB, SD, and FM radio functionality
• Supports 70V, 100V, 4Ω, and 8Ω speaker output configurations
• Frequency response of 60 Hz to 15 kHz with <0.5% THD for clean, accurate sound
• High signal-to-noise ratio: Line ≥85 dB; Mic ≥72 dB
• Passive cooling design—no fan—ensures quiet operation
• Built-in protection against short-circuit, overload, high temperature, and clipping
• No dedicated emergency priority input, ideal for non-emergency paging applications
• Perfect for smaller systems requiring multiple inputs and flexible output options
• Includes IR remote control for convenient media and Bluetooth control

Pure Resonance Audio SMG1 Sound Masking Generator

• Adjustable tone control to produce white, brown, or pink noise for customized environments
• Compact and lightweight design fits easily into any commercial setting
• Durable build for long-lasting, reliable operation
• Plug-and-play setup with mounting bracket, dual RCA, and ⅛" TRS outputs
• Enhances privacy for conversations and sensitive information
• Improves focus and reduces distractions to support productivity in workplaces

• (12) Pure Resonance Audio C3 3" Micro Ceiling Speakers with Easy-Mounting Rings
• (1) Pure Resonance Audio MA120BT 7-Channel 120W Commercial Bluetooth Mixer Amplifier
• (1) IR Remote Control
• (1) Power Cord
• (1) Pure Resonance Audio SMG1 Sound Masking Generator
• (500') Provideon 2C18P 18/2 Plenum Audio Speaker Wire - Black