Feature:1. Ideal for interview, ENG/EFP, film production. Compander for high quality and clear sound.2. Includes one dual-Channel wireless receiver and two transmitters. Up to 48 selectable UHF channels. Up to 32 MHz of transmission bandwidth.3. Selectable stereo and mono mode. Plug and record functionality.4. Easy and flexible wireless synchronization between transmitter and receiver via infrared. User-friendly menu operation. Selectable Mute function. Easy-to-read LCD displays.5. Wide range of accessories adapts the system to most of requirements. Locked-plug avoids accidental changing of settings.Specification: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 inch to XLR output cable, a single 1/8 to 1/8 inch 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.Features:Ideal for interview, ENG/EFP, film production.Compander for high quality and clear sound.Includes one dual-Channel wireless receiver and two transmitters. Up to 48 selectable UHF channels. Up to 32 MHz of transmission bandwidth.Selectable stereo and mono mode. Plug and record functionality.Easy and flexible wireless synchronization between transmitter and receiver via infrared.User-friendly menu operation.Selectable Mute function. Easy-to-read LCD displays.Wide range of accessories adapts the system to most of requirementsLocked-plug avoids accidental changing of settingsTransmission range is up to 100 meters. Power supply by Two (* 3) AA batteries. More than 6 hours continuous operation.Specifications:Brand: BOYAModel: BY-WM8 Pro-K2--System:Oscillator Type: PLL Synthesized Control OscillatorCarrier Frequency Range: 576.4 MHz-599.9 MHz (Transmitter: A), 568.6 MHz-592.1 MHz (Transmitter: B)Channels: 48Frequency Response: 40Hz to 18kHz (±3dB)Operation Range: 100m/300ft (without obstacle)Operating Temperature: 14 to 122 (-10 to +50)Storage Temperature: 14 to 131 (-10 to +55)--Transmitter:RF Output Power: ≤10 mWAntenna: 1/4 Lambda wire antennaSpurious Emission: 250 nW or lessAudio Input Connector: 3.5mm mini jackReference Audio Input Level: -60dBV (MIC input, 0dB attenuation)Reference Deviation: ±5 kHz (–60 dBV, 1 kHz input)Input Frequency Range: 20Hz-20kHzDistortion: 0.5% or lessPower Supply: Two AA size batteriesOperation Time: About 6 hoursDimensions: 20.8 * 6.7 * 2.9cm (H * W * L)Weight: 80g (without batteries)--Receiver:Antenna: 1/4 Lambda wire antennaAudio Input Connector: 3.5mm mini jackSignal-to-noise Ratio: 70 dB or moreDistortion: 0.5% or lessHeadphone Output Level: 30mW (16 Ohm)Audio Output Level: -60dBVPower Supply: Two AA size batteriesOperation Time: About 4 hoursDimensions: 20.8 * 6.7 * 2.9cm (H * W * L)Weight: 90g (without batteries)--Lavalier Microphone:Transducer: Back electret condenserPolar Pattern: Omni-directionalFrequency Range: 35Hz~18kHzSignal / Noise: 74dB SPLSensitivity: -30dB±3dB / 0dB=1V/Pa, 1 kHzConnector: 3.5mm locking mini plugLength: 1.2m / 4ftPackage Size: 28.4 * 23.9 * 5.6cm / 11.2 * 9.4 * 2.2inchPackage Weight: 928g / 32.7ozPackage List:1 * Receiver1 * Transmitter A1 * Transmitter B1 * XLR Output Cable1 * Stereo 3.5mm Mini Plug Cable2 * Omni-directional Lavalier Microphone2 * Microphone Holder Clip2 * Wind Screen3 * Belt Clip1 * Shoe Mount Adapter1 * Carrying Case1 * User Manual (English)Note:Batteries are not included.Package List:1 * Receiver1 * Transmitter A1 * Transmitter B1 * XLR Output Cable1 * Stereo 3.5mm Mini Plug Cable2 * Omni-directional Lavalier Microphone2 * Microphone Holder Clip2 * Wind Screen3 * Belt Clip1 * Shoe Mount Adapter1 * Carrying Case1 * User Manual (English)Note:Batteries are not included.