DA-236 Talk-back System
- Talkback System
lifelike, clear and distinct sound delivered on the both sides of the partition glass
adjustable volumes
successfully reduced interference and howling noise
Product Detail
• Operating Voltage: DC 9V • Max. Current Consumption: 500mA • Primary (inside) / Secondary (Outside) Sound Box: 2W/2W 100Hz-15kHz • Outside Mic Sensitivity: -48dB±2dB (0dB=1V/Pa at 1kHz) • Outside Mic Frequency Response: 20Hz-20kHz • Inside Mic Sensitivity: -44dB±2dB (0dB=1V/Pa 1kHz) • Inside Mic Frequency Response: 20Hz-16kHz • Dimension: Primary Sound Box 15 x 11.6 x 3.9cm Secondary Sound Box 9.1 x 7.7 x 2.3cm
at the er, stock-exchange, post offices, railway stations, insurance companies, ticket offices and hospitals - where the protection against robbery is necessary
| host computer |
| outside amplifier |
| outside microphone |
| desktop microphone |
| power supply adapter |
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