BOYA BY-WM8 UHF Dual-Channel Wireless Lavalier Microphone

Product Highlights

• 48 Selectable Channels
• Dual-Channel
• Ideal for ENG/EFP, DSLR Video
• Up to 100m (328 ') Operating Range
• Easy-to-Read LCD Display
• Adjustable MONO, Stereo, MONO-A, MONO-B
• Selectable Mic/Line Input
• BY-WM8R Bodypack Receiver
• 2 x BY-WM8T Bodypack Transmitters
• 2 x Lavalier Microphones

The BOYA BY-WM8 Dual-Channel UHF wireless system is a portable, camera-mountable wireless system for capturing audio with dual subjects. It can be used in several environments for video, field recording, interview, broadcast TV, and ENG applications.
It features an easy to read LCD display, a wide switching RF bandwidth, a Mic/Line switchable input, and digital circuitry, rugged lightweight plastic housing.
The BY-WM8 system consists of two bodypack transmitters, a camera-mount receiver, and two omnidirectional lavalier microphones. Also included with this system is a shoe-mount adapter, a single 1/8" to XLR output cable, a single 1/8 to 1/8" output cable, carrying case.
The receiver is built with mic and headphone output jacks. The bodypack transmitter includes a MIC jack and LINE IN jack.

• UHF transmission with 48 channels
• Dual-Channel
• User-friendly menu operation
• Muting function
• Locked-plug avoids accidental changing of settings
• Operates on 2 standard AA batteries for both transmitters and receiver
• Wide range of accessories adapts the system to most of requirements
• Both transmitter and receiver feature a comprehensive LED display providing channel, battery life, volume, operating mode.

Specifications：
 
System：
Oscillator type: PLL Synthesized Control Oscillator
Carrier Frequency Range: 576.4 MHz-599.9 MHz (Transmitter A) 568.6 MHz-592.1 MHz (Transmitter B)
Channels: 60Hz-15 KHz+/-3 dB
Carrier Frequency Range: 576.4 MHz-599.9 MHz (Channel group: A ) 568.6 MHz-592.1 MHz (Channel group: B )
Operation range: 100m (300')(without obstacle)

Transmitter：
RF output power:       ≤10 mW
Antenna: Flexible
Spurious emission:250 nW or less
Audio input connector:3.5mm mini jack
Audio input level: 600 mV-2000 mV
Reference deviation: ±7KHz (-60 dBV, 1 KHz input)
Input frequency range: 20 Hz-20 KHz
Power supply: Two AA batteries
Operation time:6 hours
Dimensions: 17.7 x 6.7 x 2.9 cm
Weight: 95g (without batteries)

Receiver：
Antenna: Flexible
Audio input connector:3.5mm mini jack
Signal-to-noise ratio:80 dB
Distortion: 0.8% (-60 dBV, 1 KHz input)
Earphone output level: 60 mW, 32 Ohms/1KHz
Audio output level: 120 mV
Power supply: Two AA batteries
Operation time: 6 hours
Dimensions: (H x W x L) 7.7” x 3.1” x 1.1”(19.6 x 8.0 x 2.9cm)
Weight: 130g (4.6 oz) without batteries

Lavalier Microphone：
Transducer: Back electret Condenser
Polar pattern: Omni-directional
Frequency Range: 35Hz ~ 18 KHz
Signal / Noise:  74dB SPL
Sensitivity:-30dB +/-3dB / 0dB=1V/Pa, 1 kHz
Connector: 3.5mm locking mini plug
Length: 1.2m (4’)