BOYA BY-WM4 PRO TX+RX Compact 2.4 GHz Wireless Lavalier Microphone for DSLR Camera Smartphones Tablet PCs Recording Vlogging

Designed for videographers on a limited budget and video hobbyists, BY-WM4 PRO is a new generation 2.4GHz wireless microphone system, dual-Channel for capturing audio with dual subjects to your smartphones, tablets, DSLR cameras, consumer camcorders, PCs etc.

The BY-WM4 PRO system is suitable for a wide range of wireless applications such as interviews, mobile journalisms, reporting, vloggings, podcasts and more.

The BY-WM4 PRO system is a expandable evolution system that allows the user to mix and match different kinds of receivers while using with the TX4 Pro transmitter.

RF Modulation: GFSK (Gauss frequency Shift Keying)
Frequency band: 2.4 GHz (2405-2478MHz)
Frequency response: 35Hz-14KHz±3dB
Signal/Noise: 84dB or more
Distortion: 0.05% or less (32Ω,1 KHz,65mW output)
RF output level: 3mW
RF Output Power: ＜10mW
Earphone output level: 32Ω,65mW
Reception sensitivity: -90dB +/- 3dB / 0dB=1V/Pa, 1kHz
Audio input connector: 3.5mm mini jack
Operation range: 60m (197ft) (without obstacle)
Power requirements:
TX4 Pro/RX4 Pro: 3V DC (Two AAA size batteries)
BY-WM4 PRO RXD: Supplied by iOS device
BY-WM4 PRO RXU: Supplied by USB Type-C device
Plug: BY-WM4 PRO RXD: Apple MFi Certified Lightning Connector
BY-WM4 PRO RXU: USB Type-C Connector
Consumption power: Receiver：3V/70mA Transmitter: 3V/70mA
Dimensions:
TX4 Pro/RX4 Pro: 45x70x35mm (1.8x2.8x1.4”)
BY-WM4 PRO RXD: 82×30.7×12mm (3.2×1.2×0.5”)
BY-WM4 PRO RXU: 82×30.7×12mm (3.2×1.2×0.5”)
Weight:
TX4 Pro/RX4 Pro: 47g (1.7 oz)
BY-WM4 PRO RXD: 12g (0.4oz)
BY-WM4 PRO RXU: 9.5g (0.3oz)

• Ideal for Youtubes, vloggings, s,
podcasts, mobile journalisms and more
• Digital 2.4 GHz frequency band
• Dual-Channel wireless receiver
• Ultracompact and miniature-size for receiver
• Super-clear recording sound
• Up to 60m (197ft) operation range (without obstacle)
• Monitoring sound by 3.5mm headphone output
• Master volume control
• Selectable stereo and mono mode (For BY-
WM4 PRO RXD/RXU only)
• Omnidirectional lavalier microphone
• Standard camera shoe mount and clip included
(For BY-WM4 PRO/BY-WM4 PRO-K2 only)
• Hard case included
• Compatible with smartphones, DSLR cameras,
consumer camcorders, PCs etc
(For BY-WM4 PRO/BY-WM4 PRO-K2 only)
• Compatible with smartphones, tablets, laptops
(For BY-WM4 PRO-K3/K5 only)

BY-WM4 PRO-K1

1* Transmitter(TX4 Pro)
1* Receiver(RX4 Pro)
1* Lavalier/lapel microphone
1* 3.5mm to TRS audio output cable
1* 3.5mm to TRRS audio output cable
1* Cold-shoe mount
1* Wind screen
1* Microphone Holder clip

BY-WM4 PRO-K2

2* Transmitter(TX4 Pro)
1* Receiver(RX4 Pro)
2* Lavalier/lapel microphone
1* 3.5mm to TRS audio output cable
1* 3.5mm to TRRS audio output cable
1* Cold-shoe mount
2* Wind screen
2* Microphone Holder clip

BY-WM4 PRO-K3

1* Receiver(BY-WM4 PRO RXD)
1* Transmitter(TX4 Pro)
1* Lavalier/lapel microphone
1* Wind screen
1* Microphone Holder clip
1* Pairing Pin

BY-WM4 PRO-K4

1* Receiver(BY-WM4 PRO RXD)
2* Transmitter(TX4 Pro)
2* Lavalier/lapel microphone
2* Wind screen
2* Microphone Holder clip
1* Pairing Pin

BY-WM4 PRO-K5

1* Receiver(BY-WM4 PRO RXU)
1* Transmitter(TX4 Pro)
1* Lavalier/lapel microphone
1* Wind screen
1* Microphone Holder clip
1* Pairing Pin

BY-WM4 PRO-K6

1* Receiver(BY-WM4 PRO RXU)
2* Transmitter(TX4 Pro)
2* Lavalier/lapel microphone
2* Wind screen
2* Microphone Holder clip
1* Pairing Pin