Product Name: diversity single-channel wireless receiver IX-R11 Series: Wireless Microphones microphone pointing schematic As these points to how it was, you can try to find a microphone. As shown in FIG handset recording lease, the arrow direction in front of the microphone are corrected, the dotted line is substantially the pickup range, outside this range, the pickup will be insensitive. If the conditions, the proposed multi-point or find a microphone to try, we can understand the significance of the point. Technical parameters: the number of single-channel group channel panel LCD display LCD can display RF / AF signal strength wired handset maintenance, SQ setting, transmitter battery capacity and operating frequency oscillation mode PLL phase-locked frequency synthesizer RF stability ± 0.005 % (10 ~ 50 ℃) Carrier frequency UHF: 721.100MHz ~ 860.100MHz RF Transmitter Output: 30mW maximum audio input level: -10dB audio output level XLR connectors: -13dBV, 1/4-inch fittings: -2 dBV Output Impedance XLR connector: 200 Ω 1/4 inch connector: 1kΩ XLR balanced output impedance Pin 1: ground, pin 2: (+), Pin 3: (-) Sensitivity: 12dB usually Product Name: Professional microphone plane CL- 75CB Series: Professional Broadcast Microphone Products: Professional microphone plane for press, radio or conference room use can be placed flat or hanging installation, dome unidirectional handheld microphone, and with ON / OFF switch mode, through the LED display, especially for use in combination conferencing systems with low-frequency attenuation circuit, at the bottom of a large area of ??the earthquake is more fitted rubber mats, anti-seismic and reinfusion have good performance. Product Name: handheld condenser microphone CL-73C Series: Professional Broadcast Microphone Products: professional handheld condenser microphone, suitable for news, interviews, musical instruments, recordings and other occasions. Broadband capacitive pickup head clear and effective radio can also provide two power supply options (48V DC phantom power or 1.5V AA battery-powered one section), and is equipped with ON / OFF switch mode, for more occasions . Wuhan handset brand is good, handheld microphone, video provided by Wuhan Wuhan Jiuhua Jiuhua Video Engineering Limited. Jiuhua Video Engineering Co., Ltd., Wuhan (www.jowa-tech.com) strong, credible, in Wuhan, Hubei control and adjustment equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improve Wuhan Jiuhua innovative ideas will lead into the brilliant video and you work for a better future!