Shure MX 150 B/C TQG, High-Quality Lavalier Microphone, For voice applications, Changeable equalisation caps, Cardioid, Frequency Response: 20 - 20,000 Hz, SPL max. 147.5 dB, 4-pin. TQG plug, Diameter: 5.8 mm, Length: 11 mm, Black reinforced cable, Including tie clip and windshield