2.4 GHz wireless microphone a professional sound system
The BOYA BY-WM4 Pro K2 is a wireless microphone system with a 2.4GHz spectrum consisting of a dual-channel body-worn receiver and two body-worn transmitters, compatible with smartphones, DSLRs, camcorders large public, PCs. The dual channel receiver provides two sound sources simultaneously is equipped with a dual channel wireless beltpack receiver, capable of capturing two sound sources and simultaneously transmitting them to your recording devices.
Microphone with two different outputs on the receiver
Featuring two kinds of outputs, audio output and headphone monitor output, this receiver allows users to transmit audio to cameras via the 3.5mm TRS to TRS cable or to smartphones via another TRS to TRS cable. 3.5mm TRRS. Thus to monitor the audio of the receiver, after plugging headphones into the headphone monitoring jack.
An innovative line on the transmitter with powerful capability
Additionally, the transmitter comes with a line-in jack that allows it to accept audio such as background music from external devices. This will be a small post-production advantage when recording with a proper line-in audio input. Transmitter and receiver are both lightweight, each about, BY-WM4 Pro K2 works about 6 hours, and the operating distance is up to 60m without obstacles.
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Wireless Transmitter Specifications
- RF Modulation: GFSK (Gauss Frequency Shift Keying)
- Frequency band: 2.4 GHz (2405-2478 MHz)
- Response frequency: 35Hz-14KHz±3dB
- Signal/Noise: 84dB or more
- Distortion: 0.05% or less (output 32Ω,1KHz,65mW)
- RF output level: 3mW
- Earphone output level: 32Ω,65mW
- Receive sensitivity: -90dB +/- 3dB / 0dB=1V/Pa, 1kHz
- Audio input connector: 3.5mm mini jack
- Operating range: 60m (197ft) (unobstructed)
- Power requirement: 3V DC (Two AAA batteries)
- Power Consumption: Transmitter: 3V/70mA
- Receiver： 3V/70mA
- Receiver: 45 x 70 x 35 mm (1.8 x 2.8 x 1.4 inches)
- Transmitter: 45 x 70 x 35 mm (1.8 x 2.8 x 1.4 inches)
- Weight: Receiver: 47g (1.7oz)
- Transmitter: 47g (1.7oz)
- Warranty: 6 months