Suitable for Vocal- Drums- Guitar Amplifiers and Other Instruments. On/Off Switch. Cardioid Polar Pattern. 3 Pin XLR Connection. Metal Body with Steel GrillePickup Pattern: Cardioid Response: 50Hz-16kHz Sensitivity: -77db Impedance: 250 Ohms Weight: 250g. The SX-7 Is a solid performance microphone giving reliable and clear reproduction in any stage environment. Its primarily designed for vocal work and it has good feedback characteristics- while maintaining a smooth response. It will also find a place in front of the back line helping with solid sound reinforcement to the back line. This model includes a switch on the microphone body.. microphone-dynamic microphone