DynasoundPro® 70 Volt Sound Masking Systems



70 Volt sound masking systems have been a professional approach to commercial sound masking since the mid-1970s. Even with the development of networked sound masking systems, centralized systems are often still a good choice in some workplace environments. Centralized systems provide manual per-loudspeaker volume control, hard-wired zones and cannot be reconfigured via software as with a networked system.


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70 volt sound masking systems are well suited to environments having uniform acoustical conditions and basic paging requirements. Loudspeakers are “daisy-chained” together into hard wired zones using standard two-conductor audio cable. All loudspeakers in a given zone receive the same audio signal. Loudspeaker mounted volume controls provide adjustment on a local basis.



Sound Masking Generators/Mixers/Amplifiers for 70 Volt Systems


DS1042 The DS1042 features a digital masking generator with adjustable volume and low pass filter for tuning. A 25-watt amplifier provides power for up to 25 loudspeakers or approximately 6000 square feet.

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DS1092The DS1092 features digital masking generator with an adjustable low pass filter for tuning. The DS1092 incorporates a mixer to introduce paging and music signals into the system. A 40-watt amplifier provides power for up to 40 loudspeakers or approximately 10,000 square feet.

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DS3008The DS3008 masking/paging processor features four independent digital masking generators, eight balanced line-level inputs, and outputs. The DS3002 has the same internal DSP as the DS3008 but with 2 balanced line-level inputs and outputs instead of 8.

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DSLG22 Amplifier 

The DynasoundPro DSLG22 sound masking amplifier is well suited for traditional 70 volt systems as well as smaller installations.

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Dynasound manufactures sound masking loudspeakers for every application including loudspeakers designed for use in open structure and above suspended ceilings, below raised access floors and indirect field applications, where appropriate.





The Dynasound DS1338 loudspeaker is designed for quick and easy installation into open structure architecture and above suspended ceilings.

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The Dynaound DS1390 loudspeaker is a dual, horizontally opposed speaker which produces uniform sound dispersion and is ideally suited for reverberant under floor cavities and ceiling plenums.

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The DS1375 contains a five-inch diameter speaker. The compact enclosure includes a flame-retardant, acoustical insert to eliminate standing waves and metallic resonance. Dynasound’s DS1375 sound masking speaker is designed for quick and easy installation into suspended acoustical tile or drywall ceilings.

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DSRMP AttenuatorDSRMP Attenuator

Zone level volume controls provide precise 1.5 dB changes in level.

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QC10 Wall Mount AttenuatorQC10 Wall Mount Attenuator

The QC10 is a UL Listed, single-gang, 20W, ten-step, continuous rotary, audio level attenuator with an OFF position. Brushed, stainless steel faceplate with embossed positions and a black knob with a white