Описание
1. The BOYA BY-WM8 Pro is an upgraded, 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. 2. 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.Feature1. Dual-channel wireless receiver. 2. 48 UHF channels. 3. Seletable stereo and mono mode. 4. Mic and line-in. 5. Selectable mute function. 6. Easy-to-read LCD displays. 7. Automatic LCD-locked function. 8. Monitoring sound by headphone output (receiver). 9. More than 6 hours continuous operation. 10. Operation range can reach up to 100m (300ft) (without obstacle). 11. Two AA batteries for both transmitter and receiver.Transmitter1. RF output power: =< 10 mW 2. Antenna:1/4 lambda wire antenna 3. Spurious emission: 250nW or less 4. Audio input connector: 3.5mm jack 5. Reference audio input level: -60 dBV (MIC input, 0 dB attenuation) 6. Reference deviation: +/- 5 kHz (-60 dBV, 1 kHz input) 7. Input frequency range: 20Hz-20KHz 8. Distortion: 0.5% or less 9. Power supply: Two AA size batteries (not included) 10. Operation time: About 6 hours 11. Dimensions: 208 (H) x 67 (W) x 29 (L)mm 12. Weight: 80g without batteriesReceiver1. Antenna:1/4 lambda wire antenna 2. Audio output connector: 3.5mm jack 3. Signal to noise ratio: 70 dB or more 4. Distortion: 0.5% or less 5. Headphone output level: 30mW (16 ohm) 6. Audio output level: -60 dBV 7. Power supply: Two AA size batteries (not included) 8. Operation time: About 4 hours 9. Dimensions: 208 (H) x 67 (W) x 29 (L)mm 10. Weight: 90g without batteriesLavalier Microphone1. Transducer: Back electret condenser 2. Polar pattern: Omni-directional 3. Frequency range: 35Hz ~ 18 KHz 4. Signal / noise: 74dB SPL 5. Sensitivity: -30dB +/-3dB / 0dB=1V/Pa, 1 kHz 6. Conn
