This is an AC-Powered In-Line Amplifier. It is compatible with both single-line and multi-line standard or electronic phones. Amplifier increases incoming telephone volume more than 3 times above normal (–2dB to +19dB) with variable volume control. Includes an AC power cord with automatic bypass allowing the user to hear in case of power failure. One year manufacturer's warranty. Available in the following colors: ash, black, ivory or pearl. |