Richard Dean Associates Demonstration Resources

Richard Dean Associates is pleased to provide technical demonstration and test resources to the audiovisual and acoustics community. We hope these resources help you design and specify better AV and acoustical solutions to your customers and for your business. Available resources are listed below.

Shure MXA Noise Reduction Performance

Under a spectrum of tightly controlled ambient noise levels in a typical conference room, the Shure MXA920's built-in Intellimix noise reduction was tested for efficacy and impact on speech ineligibility and quality. Audio recordings are provided and complete experimental conditions are detailed.

Shure MXA 901 vs Shure MXA 920 Height Performance

The effect of mounting height on speech quality and intelligibility are compared between the Shure MXA 901 and Shure MA 920. Audio recordings are provided and complete experimental conditions are detailed.