professional wireless microphone 2 handheld microphone true diversity Product Description The MD-575K wireless microphone system . System has 200 selectable channels, with infrared data synchronization. Optional to Lavalier/Headsetmicrophone. System Features Dual channel UHF wireless system with 200 optional frequencies. Easy to setup. Infrared Scan and sync instantly and automatically sets up the system. LED display indicates the system RF status,work frequency, ,battery etc. Digital pilot technique and effectively anti-interferce noise. Design for entertainment and durability tube structure. Rugged metal housing on both transmitters and receiver Optional transmitters. Detailed Photos Product Parameters System overviews Working frequency 640~690MHz/customized Frequency quantity 200 Frequency response 40hz-18Khz Working range 100-250meters Oscillation Mode PLL Channel interval 250KHZ Max Deviation ±45KHZ Harmonic Distortion/T.H.D ≤0.5% S/N >110dB Receiver: RF stability ±0.005% Mid-frequenncy 110MHZ. 10.7MHZ Antenna Access TNC/50Ω Audio output Balanced and Mixed Spurious Suppression ≥75db Power supply DC 12V 400mA input Max output electrical level +10dbv Sensitivity Adjustment 12-32dBuV Transmitter: Transmitter Type/handheld Dynamic microphone Pickup Pattern Cardioid Housing Material Zinc Aluminum Alloy RF Power 10-30mW Power Supply 2*AA 1.5V Alkali batteries Battery Life Time 8 hours Packaging & Shipping What's in the Box? Packing:color box Single set :55*43*10cm Sets: 5 sets for 1 carton Carton size:55*41*45 cm Wireless Receiver 1 Transmitter(handheld) 2 Antennas 4 6.3mm jack cable 1 Anti-slip rubber ring 2 Power Supply 1 1.5v AA Batteries 4 User guide 1 Company Profile FAQ Q1.Who are you? We are professional wireless microphone manufacturer, ranging from wireless microphones, wireless monitoring systems, wireless conference equipment and peripheral audio equipments. Q2. Can i visit your factory? Yes, you are welcomed to visit any time. It's located in Enping City, Guangdong Province, around 200KM away from Guangzhou, Foshan, Shenzhen. Q3. Can you produce according to customer's design? Yes, OEM and ODM orders are welcomed. Customization requires MOQ. Q4.How can I get the samples? You can contact our salesmen for more information. Q5. How can you guarantee quality? Approved ISO-9001:2015, and Standardization of production processes apply. Always a pre-production of sample is a must before mass production. Always commit quality control for every piece. Q6. Do u have any qualification certificates? Yes, we have the CE and RoHS certificates, letters patent of own design products, you can contact with sale representatives to check the certificates.