Office White Noise System Featuring 10 C3 3" 70V Ceiling Speakers & MA120BT 120W Mixer Amp with PrivacyCard White Noise Generator & 4 Volume Controls

$ 1,765.99
$ 1,493.99

Office White Noise
System Solution

Speech Privacy System with Stylish 3"
Ceiling Speakers for up to 2250 SF

This office white noise system combines ten sleek 3" ceiling speakers with the MA120BT and a PrivacyCard for plug-n-play white noise sound masking as well as 4 white volume controls. This extremely simple and versatile sound masking solution allows you to mix our proprietary masking noise with your favorite music. Plug it in and instantly mix sound masking, speech privacy, and background music and paging into any space.


Ideal for drop tile ceilings, these speakers are engineered for ceiling tiles with screw on Easy-Mounting threaded mounting rings.



The C3 provides the smallest possible footprint while maintaining high-quality sound. Ten speakers cover approximately 1500-2250SF.

Sound Masking PrivacyCard™

Eliminate distractions and create a productive workspace. Easily add speech privacy and sound masking for offices.

Sound Masking, Music, Paging

The MA120BT allows the user to select, play and control sound masking, music and paging to the desired levels and mix proportions of music and masking sounds.


The MA120BT is equipped with inputs for wired or wireless microphones, CD/DVD players, laptops, computers, TF cards and USB thumb drives.


The clean white decora style volume control provides excellent frequency response, low insertion loss, and reliable performance.

Office White Noise System

Implementing white noise for office spaces not only introduces ambient sound masking for enhanced speech privacy but also integrates background music and paging functionalities. This comprehensive solution is designed to increase privacy, improve focus, and effectively neutralize disruptive environments within office spaces. Perfectly suited for corporate office buildings, call centers, sales floors, law offices, banks, medical facilities, government establishments, counseling or therapy offices, and various other commercial applications where reducing distractions and ensuring speech privacy are essential.

PrivacyCard™ USB White Noise Sound Masking Generator

Pure Resonance Audio has taken the mystery out of sound masking for offices by creating an affordable USB sound masking generator that's small, portable and incredibly easy to use. The PrivacyCard™ sound masking generator pairs ambient white noise with the all-so-familiar USB drive enabling you to plug-in and play white noise in offices with almost any USB mixer or mixer-amplifier. Provide privacy in office buildings, shared workspaces, corporate business offices, call centers, sales floors, and other business applications.

C3 3" Micro Ceiling Speakers

Ideal for drop tile ceilings and featuring a stylish, intelligent design, the Pure Resonance Audio C3 3" micro ceiling speaker is compact and lightweight. This ceiling speaker seamlessly blends into the ceiling creating a beautiful architectural look. With 8 ohm and 70 volt taps, the C3 ceiling speaker is designed to provide excellent sound quality for a wide variety of low to medium volume applications such as background music, paging and ambient sound masking in offices. An ultra-thin flat bezel allows the C3 to blend into ceiling planes. The quick and Easy-Mounting threaded ring provides secure, clean installation onto ceiling tiles and many other ceiling types.


The Pure Resonance Audio MA120BT mixer amplifier with built-in Bluetooth and 70V/100V transformer technology provides a simple to operate and reliable 6-input solution with a built-in Bluetooth media player for wirelessly streaming background music in hospitality applications. Balanced and unbalanced inputs 70V, 100V, 8 ohm, or 4 ohm outputs, and a compact size and interface are all combined to make this mixer-amp an easy choice for your conference room audio system.|


Due to the possibilities of FM radio interference and the variables involved, it's not recommended to use FM radio as your primary input source.


The VC50W 50W white decora style 70V volume control is part of Pure Resonance Audio's family of speaker attenuators built to control volume for 25V/70V/100V sound systems. The VC50W features a durable plastic decora wall plate with a white finish and matching knob. This decora remote volume control provides excellent frequency response, low insertion loss, and reliable performance. The clean white decora style will fit in perfectly with decora wall plates for existing light switches and electrical outlets in your room.


Frequency Response: 120 Hz - 20 kHz

Low Frequency (-10 dB): 180 Hz - 20 kHz

Impedance: 8 ohms with 70V transformer (built-in)

Maximum Input Voltage: 17 dBV (7.1V, 6W into 8Ω)

Power Taps @ 70V: 1.5W / 3W / 5W

Power Taps @ 100V: 3W / 6W / 10W

Transducer: Full-range 3" driver

Nominal Coverage Angle: 130° conical coverage

Cutout Size: 4.25" (107.95 mm)

Overall Dimensions (Dia x D):
4.125" (104.78 mm) x 4" (101.6 mm) without connector
4.125" (104.78 mm) x 4.69" (119.08 mm) with connector

Weight: 1.6 lbs (0.73 kg)


Rated Power Output: 120W

Speaker Outputs: 70V, 100V and 4 Ohms, 8 Ohms or 16 Ohms

Mic 1 input by balanced XLR with phantom power
Input 2-3 Mic/Line switchable unbalanced 6.3 mm phone jack
Line 1-2 inputs by RCA; Line output by RCA

Frequency Response: 60Hz - 15kHz (±3 dB)

Protection: Short-circuit, clip, overload and high temp protection

Dimensions: 3.5" (88 mm) x 11.8" (300 mm) x 10.8" (275 mm)

Weight: 6.6 lbs (3 kg)                                                                                                                                                              



Plate Size: Single Gang

Plate Type: Decora White

Power Rating: 50W

Total Attenuation: 30 dB

Frequency Response: 100 - 20 kHz

Connector: Detachable Phoenix-style Euroblock Terminal

Dimensions (H x W x D): 4.5" (114.3 mm) x 2.75" (69.85 mm) x 2.5" (63.5 mm)

Weight: 1 lb (0.45 kg)


(10) Pure Resonance Audio C3 3" Micro Ceiling Speakers with Easy-Mounting Rings  
(1) Pure Resonance Audio MA120BT 120W Bluetooth Mixer Amplifier
     (1) IR Remote Control
     (1) Power Cord
(1) Pure Resonance Audio PrivacyCard™ USB Sound Masking Generator - White Noise
(4) Pure Resonance Audio VC50W 50W Decora 70V Commercial Volume Controls - White
(500') 18/2 Gauge Speaker Wire


C3 Ceiling Speakers:


Cut Sheet

MA120BT Mixer Amplifier:


Cut Sheet

USB PrivacyCard:

Quick Start Guide

VC50W Volume Controls:

Cut Sheet