This is sound monitor with powerful movement and pure quality‎.‎ It contains HIFI process chip with low noise performance that can restrain noise‎.‎ Small electricity consumption‎,‎ long distance transmission‎.‎

Technical Specifications‎:‎

• Monitoring of range‎:‎ 5 square meters ‎- 150 square meters
• Powerful Movement
• Contain HIFI process chip with low noise performance that can restrain noise
• Pure tone quality
• Built‎-in AGC circuit
• For occasions‎:‎ Bank‎,‎ Prison‎,‎ Examination place‎,‎ Shopping mall‎,‎ Industry factory etc‎.‎
• Small electricity consumption
• Long distance transmission
• Power supply‎:‎ DC 4V ‎- 12V
• Current consumption‎:‎ 8mA
• Frequency range‎:‎ 200 ‎- 10KHz
• Frequency response‎:‎ 2.5dB
• Output impedance‎:‎ 600Ω
• Output level‎:‎ 0 ‎- 6V