Audio-Technica AT8491P Magnetic Piano Mount for ATM350a MicrophoneThe Audio Technica AT8491P is a magnetic piano mount designed to attach a gooseneck equipped Audio Technica ATM350a condenser microphone (available separately) to a metal part such as the cast iron frame of a piano. It supports vertical or horizontal placement and features a felt lining on its base to prevent damaging the finish of the surface of your instrument. Its socket incorporates a locking screw that allows it to securely hold an AT8490 5" or