通话试验台该设备主要用于飞行员头盔的通话性能检测。可以完全模拟飞行员之间的通话过程，检测所有通话设备在不同环境下的通话性能，既可以进行单个设备的性能测试，也可多套设备同事测试。该设备可用于耳机等设备的性能检测

主要参数：

音频响应：100-3500HZ

灵敏度：（1±0.5）mv/Pa

抗组范围：150Ω-20kΩ

The equipment is mainly used for performance testing pilot helmet call. Can be fully simulated during a call between the pilots, testing equipment, all calls in different environments call performance, both for individual equipment performance testing, but also colleagues tested several sets of equipment. The device can be used for headphones and other equipment for performance testing

使用单位：航宇救生装备有限公司个体防护车间。