Add to Cart Compare MIC-500AT Professional Headset Microphone for Audio-Technica Wireless Systems. Beige. Enersound MSRP: Now: $49.95 Was: The Enersound MIC-500AT is a professional miniature headset microphone designed to work together with most Audio Technica wireless transmitters with 4-pin HRS connector. It is ideal for speech and any application requiring minimal... MSRP: Now: $49.95 Was: Add to Cart Compare