ProCo Short Stop, AKA Cough Drop. "Short Stop" Momentary Microphone Muting Switch is a simple microphone signal muting device that offers clean reliable performance with any balanced or floating low-impedance (150 ohm nominal) microphone or signal source. The Short Stop is ideally suited for use in broadcast, disc jockey, sports announcing, boardroom, and live entertainment applications when the need to temporarily mute a microphone output is required. • MFSKU CDSS • UPC 703272076314