The BOYA BY-WM8 Pro-K2 is an upgrated UHF Dual-Channel Wireless Microphone System for capturing audio with dual subjects, features an easy-to-read LCD display, a wide switching RF bandwidth, PLL-synthesized tuning and digital companding circuitry.The package is suitable for a wide range of wireless applications such as interviews, electronic news gathering (ENG), electronic field productions (EFP), film production, business and educational applications, and more.The BY-WM8 Pro-K2 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.More than 6 Hours Continuous Operation,Operation range can reach up to 100m(300') (without obstacle) (not include battery)Channels: 48Oscillator type: PLL Synthesized Control OscillatorRF output power: 10mWDistortion: 0.5% or lessCarrier Frequency Range: 576.4 MHz-599.9 MHz (Transmitter: A ) 568.6 MHz-592.1 MHz (Transmitter: B )Frequency response: 40 Hz to 18 kHz (+/-3dB)Operation range: 100m (300and#039;) (without obstacle)Dual-Channel Wireless Receiver48 Selectable UHF ChannelsBroadcast-Quality SoundIncludes Two Transmitters and One ReceiverSeletable Stereo and Mono ModeMic and Line-in, selectable Mute functionEasy-to-read LCD displays, automatic LCD-locked FunctionMonitoring sound by headphone output (Receiver)More than 6 Hours Continuous OperationOperation range can reach up to 100m(300and#039;) (without obstacle)Two bodypack transmittersA camera-mount receiverTwo omnidirectional lavalier MicrophonesA shoe-mount adapterThree Belt clipsA stereo 3.5mm mini plug cableA XLR output cableTwo Microphone holder clipTwo Wind ScreenA carrying case