Pure Resonance Audio 500W Rack Mount Sound Masking Generator with White Noise USB PrivacyCard

$ 1,216.99
$ 1,013.99

Create a Comfortable
Working Space

500 Watt Rack Mount Commercial White Noise Generator for Speech Privacy

Great for commercial spaces where personal information is shared, this sound masking generator creates a comfortable environment, reduces distractions, improves concentration, and increases productivity. Simply plug the proprietary USB PrivacyCard into the USB port on the RMA500BT 500-watt rack mount mixer amplifier to instantly add a low-level, unobtrusive background noise that reduces the intelligibility of human speech. This commercial white noise generator also allows you to mix speech privacy with ambient music and is equipt with priority ducking for announcements and paging.

Sound Masking PrivacyCard™

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


Simply plug-in the PrivacyCard™ to the mixer amplifier's USB port and instantly play white noise sound masking with your background music.


Unplug the PrivacyCard™, take it with you in your wallet or purse, plug it back in when needed.

Sound Masking, Music & Paging

The RMA500BT mixer 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 mixer amplifier is equipped with inputs for 70V speakers, wired or wireless microphones, CD/DVD players, laptops, computers, TF 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 created an affordable sound masking generator with our Pure Resonance Audio PrivacyCard™ sound masking generator, a small, portable and very easy to use USB card. Our PrivacyCard™ sound masking generator pairs perfectly with our RMA500BT 500 watt rack mount mixer amplifier, connect your speakers and simply plug-in and instantly play white noise throughout your space. Extremely simple and versatile, this solution also allows you to mix our proprietary masking white noise with your background music and paging. It forms an invisible masking boundary to create a comfortable and secure space in an area or perimeter of a room.

Sound masking systems add a low level, unobtrusive background noise reducing the intelligibility of human speech. Create a more comfortable environment, reduce distractions and improve concentration to increase productivity, and protect confidentiality. This sound masking generator and amplifier 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.

This Pure Resonance Audio sound masking package includes the versatile rackmount RMA500BT 500 watt mixer amplifier and a PrivacyCard™ white noise sound masking generator to create a simple and effective sound masking privacy solution, all you need is speakers.



Rated Power Output: 500W

Speaker Outputs: 4 - 16Ω/70V

Frequency Response: 50Hz - 16kHz +/- 3 dB

THD: 0.05%

Cooling Mode: Forced fan with variable speed cooling with side entry airflow

Protection Mode: Overheat/Short-circuit

Power Consumption: 650W

Remote Control: IR remote control with replaceable CR2025 3V lithium battery

Dimensions (H x W x D): 1.73" (44 mm) x 19.05" (484 mm) x 11.61" (295 mm)

Weight: 11.50 lbs (5.22 kg)


(1) Pure Resonance Audio PrivacyCard™ USB Sound Masking Generator - White Noise
(1) Pure Resonance Audio RMA500BT 500W Commercial Bluetooth Mixer Amplifier
      (1) IR Remote Control
      (1) Power Cord


RMA500BT Mixer Amplifier:


Cut Sheet

USB PrivacyCard:

Quick Start Guide