• The clip-on lavalier microphones feature omnidirectional pickup patterns that help to deliver consistent audio levels even when the subject turns away form the mic.
• The mics plug into the lightweight bodypack transmitters, which run on two AAA batteries.
• An LED indicator on the unit shows power and low-battery level.
• Simply power On the receiver and transmitter to access reliable, two channel wireless audio functionality in an instant.

• The compact receiver features a removable attachment clip that comes off to accommodate the included shoe mount for placement on your camera.
• The receiver’s input level can be adjusted to accommodate speakers at different volume levels.
• A 3.5mm TRS cable for connection to a camera or camcorder is included. A 3.5mm TRRS cable for connection to a smartphone or tablet is also included.
• The receiver features a 3.5mm headphone jack for monitoring.
• The RX4 Pro is a dual-channel receiver, so it can simultaneously handle both TX4 Pro wireless transmitters and output them to your camera or mobile device for recording.
• Up to 8 systems can operate simultaneously in the same location, but each system should be separated by at least 16.5′ to avoid interference.
• Additional receiver options that mount and plug in directly to your smartphone’s digital input are also available including the BY-WM4 PRO RXD for Lightning and BY-WM4 PRO RXU for USB Type-C models.

Boya BY-WM4- Pro-K2 Wireless Microphone System