Saxophone Microphone Wireless Plastic Housing Saxophone Receiving System for Brass Wind Instrument 100‑240V EU Plug Item Type: Saxophone Microphone Material: Plastic and electronic components Receiver: Frequency Range: UHF 660 to 690MHz Frequency: Preset 16 selectable channels Modulation Method: Pi/4 DQPSK Latency: <6ms Sampling: 48KHz Frequency Response: 60Hz to 15KHz±2dB Total Harmonic Distortion: <0.8% (1KHz) Signal to Noise Ratio: >92dB Receive Sensitivity: -92dBm Power Supply: 1 x 3.7V lithium battery 702535/600MAH (built in) Power Consumption: > 6 hours of continuous use Microphone Transmitter: Frequency Range: UHF 660 to 690MHz Modulation Method: Pi/4 DQPSK Transmitter Power: 10mW Sensitivity: -47db±2dB Frequency Change: Infrared pair frequency Microphone Type: Condenser (Supercardioid) Power Supply: 1 x 3.7V lithium battery 702535 600MAH (built in) Power Consumption: > 6 hours of continuous use