Specs: General Brand Boya Model Boya BY-WM8 Pro-K1 UHF Type Omnidirectional Connectivity Connection Type Wireless Audio Details Frequency Response (Hz - kHz) 40Hz-18kHz +/-3dB (System), 20Hz-20kHz (Transmitter), 35Hz-18KHz (Lavalier Microphone) Sensitivity -30dB +/-3dB / 0dB=1V/Pa, 1 kHz (Lavalier Microphone) Ports & Slots Plug Type 3.5mm Power Battery. 2 x AA Operating Range 100 Meters Physical Description Cable Length 4 Ft Weight (Kg) 80gm (Transmitter), 90gm (Receiver) Warranty Warranty Details 1 year Additional Info Others 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: 48, Operation range: 300ft (100m) (without obstacle) (System), RF output power: <=10 mW, Antenna: 1/4 Lambda wire antenna (Transmitter, Receiver), Spurious emission: 250 nW or less (Transmitter), Audio input connector: 3.5mm mini jack (Transmitter, Receiver), Reference audio input level: -60 dBV (MIC input, 0 dB attenuation) (Transmitter), Reference deviation: +/-5 kHz (-60 dBV, 1 kHz input) (Transmitter), Distortion: 0.5% or less (Transmitter, Receiver), Power supply: Two AA size batteries (Transmitter, Receiver), Operation time: About 6 hours (Transmitter), About 4 hours (Receiver), Dimensions: 208 x 67 x 29mm (Transmitter, Receiver), Signal-to-noise ratio: 70 dB or more (Receiver), Headphone output level: 30mW (16 Ohm), Audio output level: -60 dBV (Receiver), Transducer: Back electret Condenser, Polar pattern: Omni-directional, Signal / Noise: 74dB SPL, Connector: 3.5mm locking mini plug Specialty Dual-Channel Wireless Microphone System (One Transmitter and One Receiver), Digital Companding Circuitry, User-friendly menu operation with more control options, Auto-Lock function avoids accidental changing of settings, One Mic input and one Line Input for transmitter, Monitoring of receiver via headphones directly, Wide range of accessories adapts the system to most of requirements, Dual-Channel Wireless Receiver, Consists of One Transmitter and One Receiver, UHF transmission with 48UHF channels, Ideal for ENG/EFP, DSLR Video, Broadcast-Quality Sound, Operation range can reach up to 100m, Adjustable MONO and Stereo mode, Powered by one 2 x AA batteries for both transmitter and receiver Country Of Origin China Made in/ Assemble China Details: Brand - Boya, Model - Boya BY-WM8 Pro-K1 UHF, Type - Omnidirectional, Connectivity - Wireless, Frequency Response (Hz - kHz) - 40Hz-18kHz +/-3dB (System), 20Hz-20kHz (Transmitter), 35Hz-18KHz (Lavalier Microphone), Sensitivity (dB) - -30dB +/-3dB / 0dB=1V/Pa, 1 kHz (Lavalier Microphone), Battery - 2 x AA, Operating Range - 100 Meters, Plug Type - 3.5mm, Cable Length (ft) - 4 Ft (Lavalier Microphone), Weight (Kg) - 80gm (Transmitter), 90gm (Receiver), Others - 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: 48, Operation range: 300ft (100m) (without obstacle) (System), RF output power: <=10 mW, Antenna: 1/4 Lambda wire antenna (Transmitter, Receiver), Spurious emission: 250 nW or less (Transmitter), Audio input connector: 3.5mm mini jack (Transmitter, Receiver), Reference audio input level: -60 dBV (MIC input, 0 dB attenuation) (Transmitter), Reference deviation: +/-5 kHz (-60 dBV, 1 kHz input) (Transmitter), Distortion: 0.5% or less (Transmitter, Receiver), Power supply: Two AA size batteries (Transmitter, Receiver), Operation time: About 6 hours (Transmitter), About 4 hours (Receiver), Dimensions: 208 x 67 x 29mm (Transmitter, Receiver), Signal-to-noise ratio: 70 dB or more (Receiver), Headphone output level: 30mW (16 Ohm), Audio output level: -60 dBV (Receiver), Transducer: Back electret Condenser, Polar pattern: Omni-directional, Signal / Noise: 74dB SPL, Connector: 3.5mm locking mini plug, Specialty - Dual-Channel Wireless Microphone System (One Transmitter and One Receiver), Digital Companding Circuitry, User-friendly menu operation with more control options, Auto-Lock function avoids accidental changing of settings, One Mic input and one Line Input for transmitter, Monitoring of receiver via headphones directly, Wide range of accessories adapts the system to most of requirements, Dual-Channel Wireless Receiver, Consists of One Transmitter and One Receiver, UHF transmission with 48UHF channels, Ideal for ENG/EFP, DSLR Video, Broadcast-Quality Sound, Operation range can reach up to 100m, Adjustable MONO and Stereo mode, Powered by one 2 x AA batteries for both transmitter and receiver, Warranty - 1 Year, Country of Origin - China, Made in/ Assemble - China

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