Sound Masking System Featuring 4 Pendant Speakers & Sound Masking Generator

$ 990.99
$ 825.99

Sound Masking & Background Music System

Speech Privacy System for Open Ceiling Office Designs Up To 2000 SF

This sound masking, background music and paging system combines four sleek 4" pendant hanging speakers with the MA30BT and a PrivacyCard™ for plug-n-play white noise sound masking. This versatile sound masking solution allows you to mix our proprietary masking noise with your favorite music or paging and announcement system. Just plug in the PrivacyCard™ to mix sound masking, ambient noise, background music, and paging into any space.


The down-firing design of the PD4 pendant mount speaker directs the high fidelity sound for an evenly distributed 150° wide coverage pattern.


These treated speakers and two-layer, powder-coated grilles bring high-performance audio and vocal clarity to both indoor and outdoor sound systems.

Sound Masking PrivacyCard™

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


The MA30BT 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 MA30BT is equipped with inputs for wired or wireless microphones, CD/DVD players, laptops, computers, SD cards and USB thumb drives.

Remote Control

The included remote control manages volume levels, play/pause, skip and more all from a distance.


We've taken the mystery out of sound masking by creating an affordable USB sound masking generator that’s portable, small and incredibly easy to use. The Pure Resonance Audio PrivacyCard™ sound masking generator pairs white noise with the all so familiar USB drive enabling you to plug-in and instantly start playing white noise. Extremely simple and flexible, this solution allows the user to mix our proprietary masking noise with background music.

Add ambient sound masking, speech privacy, background music, and paging into any area to increase privacy or simply mask a disruptive environment effectively. This sound masking package is perfect for open office plans, medical facilities, call centers, banks and financial organizations, hotels, military and government agencies, law enforcement, law offices, spas, educational institutions and retail stores.

Designed for open-architecture high ceiling environments, the PD4 speakers are ideal for paging, announcements, or foreground and background sound reinforcement. The down-firing design of the driver directs the high fidelity sound for an evenly distributed 150° wide coverage pattern. This noise canceling speaker system includes four of our PD4 4" hanging pendant speakers in a durable weather resistant construction with treated drivers and two-layer, powder-coated grilles.

Also included is our MA30BT, as well as our sound masking generator PrivacyCard™. This noise-canceling sound system package is the ideal solution for providing ambient sound masking, background music and paging.



Power Handling: 25 Watts RMS; 70 Watts Peak

Frequency Response (±3 dB): 95Hz - 20KHz

Frequency Response (±10 dB): 65 Hz – 20 kHz

Impedance: 8 ohm

Peak Output: 103dB

Woofer: 4 inch Polypropylene

Tweeter: 3/4 inch Black silk

Transformer: 70.7V: 2W / 4W / 8W / 16W / 8 ohm
                          100V: 4W / 8W / 16W / 8 ohm

Certifications: REACH, RoHS

Dimensions (H x Dia): 7" (117.8 mm) x 5" (127 mm)

Weight: 3.35 lbs (1.52 kg)



Rated Power Output: 30W

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 (±3dB)

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)


(4) Pure Resonance Audio PD4 4" Weather-Resistant Open-Ceiling Pendant Mount Loudspeakers
     (4) Rear Covers (with Hole for Eyebolt)
     (4) Eyebolt and Nuts
     (4) Mounting Kits
          (8) Steel Cables
          (8) Carabiners
          (8) Fastlinks
          (4) Wire Retention Plates
(1) Pure Resonance Audio MA30BT 30W Bluetooth Mixer Amplifier
     (1) IR Remote Control
     (1) Power Cord
(1) Pure Resonance Audio PrivacyCard™ USB Sound Masking Generator - White Noise
(250') Free 18/2 Gauge Speaker Wire


PD4 Pendant Speaker:


Cut Sheet

MA30BT Mixer Amplifier:


Cut Sheet