Metal Desktop Circular Mic Dolby ClearVoice Range 1.5m

NV-YNSUPR-115 Desk Microphone

• Using multistage dynamic noise reduction processing, clear voice, low noise
• Built-in Imported chips, high sensitivity, beauty voice
• Using Dolby noise reduction technology, less noise
• Suppressing high intensity sound automatically
• Built in lightning protection processing, power polarity reversal protection processing
• DSP noise reduction processing, Automatic gain control (AGC) circuit, ALC automatic level control
• Integrated import front audio amplifier, microphone can drive directly Active speaker, DVR and recorder
• 1.5meters pickup range, Suit for place such as government, telecom, Tax, Power, Station, Expressway toll booth etc

Parameter

• Pickup Range: 1.5m
• Mic: Single mic
• Sensitivity: -45dB
• Transmission distance: up to 3000meters
• Frequency response: 20Hz~20KHz
• Signal Noise Ratio: 55dB
• Directivity: Omni directional
• Output impedance: 600 Ohm non-equilibrium
• Output signal amplitude: 2.5Vpp/-25db
• Signal processing: Digital noise reduction，AGC gain control，automatic level control
• Dynamic range: 104dB（1KHz at Max dB SPL）
• Maximum sound pressure: 120dB SPL (1KHz,THD 1%)
• Placement: Red line--power, black line - ground wires, white line -- audio.
• Transmission cable: 13.0.5 mmRVVP 3 core shielded cable, ordinary 4 core telephone lines, five types of network twisted-pair cable
• protection: lightning strike protection, Power supply polarity reverse connect protection、ESD protection
• Voltage: DC12V
• Supply current: 20mA
• Operating temperature: -25℃～70℃
• Certification: CE FCC ROHS 
• Casing Material: Zinc Alloy