SoundTube AC-SM31-XFMR-BK Transformer for SM31 Speaker, Black

Optimize on-site audio performance and simplify installation with the SoundTube AC-SM31-XFMR-BK transformer, purpose-built for the SM31 speaker. This pro accessory delivers reliable impedance matching so paging, announcements and background music remain clear and consistent across large facilities—critical for security, surveillance and monitoring applications. The AC-SM31-XFMR-BK (Manufacturer Part Number AC-SM31-XFMR-BK) features a durable, discreet black housing that blends into ceiling- and wall-mounted deployments while protecting the transformer from wear in demanding commercial environments.

Engineered for installers, the in-line transformer reduces labor by enabling fast, tool-free connections and straightforward integration with distributed audio systems, including common 70V/100V lines and low-impedance setups. By preserving audio fidelity and preventing overloads, it helps maintain intelligible voice evacuation, paging and monitoring feeds across retail, education, healthcare and security installations. Add the SoundTube AC-SM31-XFMR-BK to your kit to ensure consistent performance and easier commissioning—order now to streamline your next SM31 deployment for pro AV, security, surveillance and paging systems.

• Ensures consistent, intelligible paging and background audio by providing correct impedance matching for SM31 speakers
• Designed specifically for SoundTube SM31 installs (MPN AC-SM31-XFMR-BK) for seamless system integration and reduced configuration time
• Discreet black finish blends into commercial and security environments for a low-profile installation
• Rugged in-line transformer housing minimizes service calls and withstands pro AV and surveillance environments
• Simplifies integration with distributed audio and monitoring systems, including common 70V/100V setups and low-impedance configurations