Microphone system designed for saxophone and other wind instruments. The kit consists of the B210 Solo system and the SB21 microphone. Microphone: Type: Capacitive Directivity: Cardioid Output impedance: 2.2 KΩ Cleanliness: -47dB ± 3dB (0dB = 1V / Pa at 1KHz) Maximum sound pressure level: 140dB Signal to noise ratio: 68dB Frequency response: 50Hz - 20KHz System: Type of transmission: UHF Band: 630 - 680MHz Frequencies: 2x 100 Dynamics:> 90dB Harmonic values: