The boya uhf duo lavalier microphone wireless by-wm8 pro-k3 consists of the by-wm8 wireless microphone and the by-wm8 pro receiver. The by-wm8 is a high quality wireless microphone system. With by-wm8 pro, you can record clear speech for projects like youtube vlogs, presentations, lectures, wedding videos, and interviews. This package is also perfect for mobile journalists, presenters, content creators and vloggers. You can connect the by-wm8 pro wireless microphone and by-wm8 pro receiver to your dslr camera with 3.5 mm jack plug. It is also possible to connect the by-wm8 pro to professional cameras with xlr connectors. Since you can work with the receiver on two channels, you can expand the system with an additional transmitter or microphone. This allows you to conduct interviews with two people without the need for an additional receiver. Unwanted background noise is minimized thanks to the cardioid characteristic. This makes it ideal for noisy environments such as showrooms, busy public areas and sporting events. Application boya uhf duo lavalier microphone wireless by-wm8 pro-k3 the pro-k3 is easy to use. The interviewee wears the wireless microphone. A cable leads from the receiver to the video camera or other recording device. It is possible to attach the receiver to your camera using the supplied hot shoe adapter. The receiver has a ¼ female thread so that it can also be mounted on a tripod. Also, the receiver has a headphone output, so you can listen to the recorded audio in real time. Specifications system: - channels: 48 - frequency response: 40hz-18khz (+/-3db) - max. Range: up to 100 meters (without obstacles) - operating temperature: -10 to 50 degrees celsius specifications transmitter: - rf output level: 10 mw - audio input connector: 3.5 mm jack plug - reference audio input level: -60dbv - input frequency range: 20hz-20khz - distortion: 0.5% or less - power supply: 2x aa battery (not included) - max. continuous use time: 6 hours - dimensions (h x w x l): 208x67x29 mm - weight (without batteries): 81 grams specifications receiver: - audio output connector: 3.5mm jack plug - signal to noise ratio: 80db or more - distortion: 0.5% or less - headphone output level: 30mw - audio output level: -60dbv - power supply: 2x aa battery (not included) - max. continuous use time: 4 hours - dimensions (h x w x l): 208x67x29 mm - weight (without batteries): 95 gram specifications lavalier microphone: - transducer: condenser microphone - directionality: omnidirectional - frequency range: 35hz-18 khz - signal to noise ratio: 74 db spl - sensitivity: -30db +/- 3db / 0 db = 1v / pa, 1 khz) - connection: 3.5 mm lockable mini-plug - length: 1.2 m