Engineering Department

Our application engineers are specialists in audible technology. Their in-depth knowledge about pitch, quality and loudness and how these relate to conditions found within the environment can make a vast difference in the success of your product development or production.

This division’s entire purpose is to assist your staff in reaching the value final product of your organization within the most efficient expenditure of time and money. We are often called upon to act as liaison between your product design team and original factory engineers in order to accelerate the product development cycle, and it is quite common for us to be involved with innovations that lead to new industry standards affecting product material, packaging, or construction.

Each and every customer program is regarded with priority and security. All supporting documentation we generate are managed according to the most stringent security protocols and we provide electronic files in either MS Word, Excel, DWG, DXF, DWT and PDF formats for your convenience.

Engineering Change Notices
2018-09-07 CE-ECN-090718-PANEL-MOUNT PANEL MOUNT ALARMS Update ring nut part and drawing to new thickness and height to increase shear strength.
2018-08-30 CE-ECN-083018-PANEL-MOUNT PANEL MOUNT ALARMS As of 9/15/2018, all front panel mount alarm ring nuts with be manufactured according to this ECN which improves reliability, but remains compatible with the prior ECN.
2018-03-11 CE-ECN-031218-PANEL-MOUNT PANEL MOUNT ALARMS As of date code 17335, all front panel mount alarm ring nuts and housings are not compatible with ring nuts and housings of earlier date codes.
Quality Management & Compliance
RoHS Compliant


Oct 29, 2018
Welcome Pinnacle Marketing our new sales rep in Alabama, Georgia, Mississippi, North and South Carolina and Tennessee.

Mar 22, 2018
Welcome Technology Marketing Corp., our new sales rep in Indiana, Ohio, Kentucky, Michigan, Western Pennsylvania, and West Virginia.

Feb 5, 2018
Welcome Luscombe Engineering Co. our new sales rep in Northern California and Northern Nevada.


Sep 14, 2018
Mobile Speakers:

July 2, 2018
NEW Backup Alarms

June 11, 2018
NEW MEMs Microphones

May 14, 2018
PinPoint Alerts



Wide selection in stock. Find our closest equivalent part and call for free samples.


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