Full Digital Wired Dual Channels Microphone Interpretation Function with 64 Channels Selector

Simultaneous Interpretation Equipment 64 channels Full Digital Wired Dual Channels Chairman/Delegate Unit with 2 channel selectorsDetailed Photos Product Description1. With graceful line design, an OLED screen touch interface, wireless communication2. On OLED display: showing speaking time/speaking date/ headphone volume adjustment3. Timer on display to set a certain time for each delegate to speak, the chairman can remind the user or close the MIC automatically4. Detachable battery pack easy to replace and charge, working time 22 hours, 30 hours for standby5. Built-in DC connector for power supply without battery6. Built-in up 2 channels for two speaker7. Internal high-fidelity loudspeaker8. Headset interface on both sides with volume adjust9. Line-in interface which allows a microphone or another line-in device like a cell phone, or laptop to pass audio through to perform teleconference10. Full-digital signal transmission and processing, completely avoid RF interference from cell phones or similar devices.11. Support pluggable microphones and different lengths of microphones with strong audio collecting ability.12. All units can be configured as Chairman or Delegate units.Product Parameters ButtonTouchable interface, no physical buttonsSound Pickupheart-type capacitanceDisplayOLED display 128 × 32Sensitivity-46 dBV / PaMaximum power consumption2.0WDirectivity0 ° / 180 °> 20 dB (1 kHz)Headphone load16ΩHeadphone volume10mWHeadphone jack3.5mm stereoInput impedance2kΩSNR70dBFrequency response20 ~ 20000HzEquivalent noise20dBA (SPL)Main materialABSOperating temperature0 ºC to + 55 ºCColorBlackThe maximum sound pressure125dB (THD