Window Intercom Amplifier – STS-A31H

Our amplifier provides full open duplex communication and is compatible with all of our window intercom products, including power supplies.

Energy-saving “green” standby mode is automatically used, achieving a power saving of up to 80%
Constant-current hearing loop drive (with engineer adjustable hearing loop drive level)
Isolated audio line input / output allows additional ohmically isolated line level audio input or output to recording system (custom, not available together)
LED column indicator aids adjustments and indicates power and status levels
Continuous self-testing means that no specialized equipment is required to confirm functionality
DC Power: 2.1mm DC jack
Power and status indication: Green/red LED column

Visit our Window Intercom Hub for more information about our systems and for help choosing the right one for your application.