ISK P-300 Condenser Microphone Suspension Type Computer Karaoke Microphone for Webcast, Random Color Delivery Feature: 1. All-electronic circuits and small-diaphragm sound head; 2. Special sound head and structural design, computer soundcard 5V power supply, plug and play, easy to use; 3. Streamlined design, sleek, and elegant; 4. Has a high sensitivity, low noise, wide dynamic range and other characteristics; 5. Body with aluminum alloy brazing process with an iron material mesh head design make the structure more durable Technical Parameters: 1. Monomer: small vibration 2. Point: the super-cardioid 3. Frequency response: 20Hz-20kHz 4. Sensitivity: -37dB ?± 2dB (0db = 1V Pa at 1kHz) 5. Output Impedance: 150ohm ?± 30% (at 1kHz) 6. Load Impedance: >=1000ohm 7. Equivalent noise level: 16dB A 8. Maximum SPL: 135dB (at 1kHz less than 1% T.H.D) 9. SNR: 78dB 10. Voltage: 5V power supply computer sound card 11. Monomer weight: about 456g (including BOP hood and Simple stand) 12. Dimensions: 50x42.5x215mm