The BOYA BY-WM8 is an UHF Dual-Channel wireless microphone system, designed for ENG, EFP, DSLR video, and dual-Channel can work with two transmitters, perfect for interviews as well.

The receiver and the transmitters are lightweight and simple menu to operate.

It can be worked in one to two way (one receiver to two transmitters), or one to one way

(one receiver to one transmitter).

Features:

· Ideal for interviews, ENG/EFP, DSLR Video etc.

· Compander for High-quality and Clear sound

· Dual-Channel Wireless Receiver

· 48 UHF Channels

· Selectable STEREO/MONO Mode

· Plug and Record Functionality

· Programmable Mute function

· Mic and Line-in

· Camera-Mountable Receiver

· Monitoring sound by headphone output (Receiver)

· Includes Omni-Directional Lavalier Mic

· Includes XLR output cable, Stereo mini plug cable

· More than 6 Hours Continuous Operation

· Operation range can reach up to 100m(300') (without obstacle)

· Power Supply: Two ( x3 ) AA batteries

Specifications：

System

• Frequency response: 60Hz-15 KHz+/-3 dB
• Operation range: 100m (300')(without obstacle)
• Operating temperature: 14° F to 122° F (-10℃ to +50℃)
• Storage temperature: 14° F to 131° F (-10℃ to +55℃)

Transmitter

• RF output power: 20 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: (H x W x L) 7.0” x 2.6” x 1.1”(17.7 x 6.7 x 2.9 cm)
• Weight: 95g (3.4 oz) 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’)