It has DSP technology for crystal clear sound and an automatic volume control that keeps volume constant even when you move between quiet and noisy environments.
DSP技术让它拥有高保真音质，而自动音量控制则让您感受到稳定的音量，即使穿梭于安静和嘈杂的环境之间。
The utility model has the characteristics of automatic volume control, automatic accident alarm, stable performance, safety, etc.
该装置具有音量自动控制、故障自动告警、性能稳定、安全可靠等特点。
The utility model has the characteristics of automatic volume control, automatic accident alarm, stable performance, safety, etc.
该装置具有音量自动控制、故障自动告警、性能稳定、安全可靠等特点。
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