Everything you need to create a high-quality fixed hearing loop system for a counter, desktop or ticket booth. Ideal for banks, post offices, reception desks, ticket offices and any other area requiring person to person coverage. PDA103 amplifier includes a 3.5mm microphone input for use with the AMT microphone supplied, a line level input and an outreach socket. Metal compensation control helps improve intelligibility in rooms with high metal content. Adjustable mic, line level and outreach controls. Drive level control allows the amplifiers output stage to be set up to suit the exact characteristics of the application. State-of-the-art audio processor features an automatic gain control which compensates for poor microphone techniques and helps suppress loud noises, hisses and clicks. Limit, Peak, Loop Fault and Power On indicators. Designed to be wall-mounted using the keyholes provided. Exceeds the requirements of BS7594 and EN60118-4 when correctly installed.