“豪沃尔”品牌 HGD3000 应急广播消防电话一体机，集成了消防应急广播设备和总线式消防电话，具有“通话广播”、“互联广播”、“声光互切”、蓝牙音乐音源播放、远程值班话筒、总故障上传输出等工程特色功能。在消防应急应用方面；适用于公共建筑内当发生火灾或应急情况下，通过消防电话确认紧急或火灾事故现场，并根据现场情况，由中心控制室人员通过应急广播对建筑内人员进行告知和疏散。本产品设计初终是适于中小型消防工程，并具有良好的产品性价比，同时具有背景或专用广播应用功能，在目前消防市场上与同类型产品相比，功能更多且更加实用。该系统基于我公司成熟的具有独有知识产权 HWE-BUS 现场总线技术(专利类型：发明专利，专利号：ZL 2007 1 0178430.2/ZL 2007 1 0178354.5/ZL 2007 1 0179219.2)的总线式消防电话和具有精准模拟扬声器检测技术的多线制应急广播控制器技术，消防电话增加一路专线电话线路和将消防电话通话内部通过应急广播进行播放的功能，应急广播具有互联功能，即将多达 32 台 HGD3000 广播单元互联，可实现通过遥控分区控制一体机的应急广播和背景音乐播放，适用于类似校园、医院、机场、社区等建筑群或多建筑物之间网络化控制的工程项目，用户可选配安装内部远程话筒组件，支持不大于 50m 的外接值班话筒遥控的公共广播。

Hover's HGD3000 is the ‘all in one’ device, which intergrates funcitons of voice alarm and fire telephone. As the integration, this system allow user quickly paly out the voice alarm and evacuation message right after fire telephone notification in the case of fire. This system is available for low-end small-scale buidings of which users are more cared about the cost.

HGD3000 develops from Hover's mature fire telephone and voice alarm technology,power amlifier adopts class D digital amplify technology. What's more, system realizes users directly page the telephone voice to the broadcasting area. And also, HGD3000 is able to connect each other to create networking system which enable user to network control allopatric. Therefore, projects like univercity, community, factory, those requires networking controlling projects, is the ideal place for this system installation.