• ARM架构处理器
  • 高保真功放模块
  • 拉丝铝合金前面板
  • 19英寸2U机架式设计

贝克BK-PA120A SIP功放专为大中型寻呼与公共广播项目设计,在单台机架式设备上实现了更强输出功率、便捷的网络音频控制以及灵活的现场音频集成。设备采用标准19英寸2U机箱与拉丝铝合金前面板,适用于控制室、设备机柜、园区广播柜、工厂通信机房以及商业楼宇音频系统等对安装标准有专业要求的场景。

BK-PA120A以120W高保真功放模块为核心,采用硬件级网络音频解码设计,面向需要清晰语音播报、定时播放、常规寻呼以及网络音频分发且需长期稳定运行的场所。设备集成SIP音频接入、本地麦克风与线路输入、网页管理、文本转语音功能以及多种扬声器输出方式,完美适配兼顾系统灵活性与安装效率的结构化IP广播项目。

19英寸2U机架式安装的BK-PA120A SIP功放正面视图
BK-PA120A集120W功率放大、SIP网络音频接入与机架式安装于一体,适用于专业寻呼与公共广播系统。

产品亮点

120W输出,覆盖更广的寻呼与广播区域

BK-PA120A针对需要比小功率网络功放更大输出余量的项目打造,内置120W高保真功放模块,为系统设计师提供更强的驱动平台,可满足宽阔走廊、大型厅堂、连片教室、生产车间、仓储区域及商业场所的扬声器线路驱动需求,保障语音清晰与覆盖充足。

该大功率定位使其尤其适合需要平衡集中网络控制与现场实用扩声的项目。BK-PA120A并非单纯的信号终端,而是作为寻呼链路中的核心执行设备,为条件严苛的覆盖区域提供日常广播与业务语音通信所需的功率。

网络音频与功率放大一体化机箱设计

BK-PA120A将硬件级网络音频解码模块与功放级集成一体,简化了安装与集成商的系统架构。设备支持SIP、TCP/IP、UDP、IGMP组播协议,可通过IP网络实现16位立体声CD级音质音频传输,在多数项目中无需单独配备解码与功放设备。

该一体化设计可优化机架规划、布线与维护工作。在实际部署中,能减少设备数量、简化故障排查逻辑,让学校、商业建筑、工业设施及公共服务场所等需结构化管理多音频分区的项目布局更整洁。

对于大中型寻呼项目而言,核心优势不仅在于更高功率,更在于将网络音频接入、输入灵活性与稳定扩声集于工程友好型平台。

专业机架式结构,适配标准化安装

标准19英寸2U机架式结构让BK-PA120A可便捷部署于广播机柜、通信柜与集成控制系统中。拉丝铝合金前面板不仅让设备机房更具专业质感,也能让多台音频、网络及控制设备的安装布局更统一。

这种布局在兼顾整洁集成与功能实现的项目中价值显著。教育园区、工厂、写字楼、酒店、交通设施及市政建筑通常要求标准化机柜部署,BK-PA120A完全适配此类工程施工流程。

搭载网页管理界面的BK-PA120A SIP功放,可实现网络音频配置与监控
网页端配置可简化设备调试、参数调节与日常网络音频管理工作。

功能特性

灵活输入设计,适配混合音频工作流程

BK-PA120A支持2路RCA混合输出、2路6.3mm麦克风输入、3路RCA线路输入,可同时处理多路音频源,满足现场实际使用需求。设备可兼容本地麦克风、控制室语音输入、播放设备及辅助音频源,贴合现场实际运营场景。

麦克风1支持强制优先抢占功能,可在紧急实时广播需要打断背景音乐或低优先级音频时使用。各输入通道支持独立音量调节,便于操作人员与安装人员完成日常广播调试,避免系统过度复杂化。

音频可调功能,优化现场音质调校

不同场所的声学环境存在差异,BK-PA120A通过电位器实现高低音调节,可根据扬声器布局、空间大小、安装条件及播放内容类型完成精准音频调校。对于同一项目包含教室、开放式走廊、生产区、办公区等不同声学场景的情况,该功能尤为实用。

设备摒弃固定输出特性,为安装人员提供更实用的调校范围,优化语音清晰度与播放平衡。日常语音广播可通过音调调节提升人声表现力,背景音乐播放则能打造更可控的听觉效果。

支持多种扬声器输出方式

BK-PA120A支持100V、70V定压输出以及4Ω~8Ω定阻输出,可轻松匹配不同扬声器线路设计。根据项目结构,同一型号设备可适配分布式公共广播线路、长距离扬声器回路及局域扬声器布局。

该灵活性在综合型场所中至关重要。园区可在走廊与全域广播区域使用长距离扬声器线路,工厂则可在生产区搭配号角扬声器,办公区搭配其他类型扬声器。BK-PA120A可在单一部署框架内轻松适配此类多样化需求。

网页管理与智能网络运行

BK-PA120A搭载高性能ARM架构处理器,支持网页登录修改参数,让管理员与安装人员在设备调试、巡检与维护时更便捷地配置管理设备。在部署多路网络音频终端的项目中,浏览器端配置可节省时间,降低现场调试压力。

功放同时支持文本转语音广播,可用于定时通知、日常提醒、服务公告及重复性业务信息播报,在无需实时寻呼、需通过自动化提升一致性与响应速度的场所中价值突出。

多重防护设计,保障长期安全使用

BK-PA120A具备输出短路、过流、过载保护功能,搭配LED告警指示灯,可清晰提示故障状态。该机制能在异常工况下保护功放与外接扬声器回路,为维护人员在巡检与排障时提供直观的状态反馈。

设备还内置自激、过热及开关机冲击保护,同样配备LED告警指示。防护导向型设计提升了日常运行可靠性,让功放更适配需连续运行的广播环境,将稳定性作为基础保障而非附加功能。

部署于园区、工厂或商业场所公共广播扬声器系统的BK-PA120A SIP功放
BK-PA120A适用于大中型管理场所内的大功率SIP寻呼、日常广播及分布式扬声器部署。

应用场景

园区与教育机构语音广播

学校、培训中心、高校及宿舍楼通常需要小型音频功放无法满足的广域广播覆盖。BK-PA120A结合大功率输出、网络音频接收、麦克风接入与灵活的扬声器连接方式,完美适配此类项目,可通过集中式网络音频架构实现定时通知、上下课铃声、行政寻呼及全域日常广播。

其机架式设计与网页配置功能,也适配注重结构化维护与长期扩展性的教育机构标准化设备机房部署。对于大型园区或多楼宇音频规划,该型号在功率与可管理性之间实现了实用平衡。

工厂、仓库与车间广播通知

工业场所通常需要更强的语音扩声,用于班次通知、生产提醒、安全指令、分区寻呼及事故通信。BK-PA120A的120W输出为大面积、高噪声区域提供充足功率余量,同时支持网络协议,可集成至现代IP化寻呼与业务通信系统。

本地麦克风输入与强制优先控制功能,可兼顾日常集中广播与紧急现场干预,适用于工厂、物流区、装配车间、仓库及公用设施等通信需求在常规运营与应急响应间快速切换的场所。

商业建筑与多分区场所

写字楼、酒店、零售场所、医院及综合服务楼通常需要网络化公共广播设备,兼顾日常通知与分区化有序语音分发。BK-PA120A可作为此类项目的实用SIP功放节点,尤其适合需要广覆盖、强扬声器驱动的场景。

设备支持多种扬声器输出方式,可适配长走廊线路、大堂区域、楼层语音覆盖及复合型室内空间,是集成商选购易配置、易维护的中大功率型号的优选方案。

市政、交通与公共服务场所部署

公共建筑、交通设施、服务大厅及基建设施通常需要结构化网络音频设备,通过稳定的扩声平台实现日常通知、服务提示与实时广播。BK-PA120A凭借SIP连接、组播兼容、文本转语音功能与标准化机柜集成能力,满足此类使用需求。

对这类项目而言,设备价值在于将大功率输出与简洁安装逻辑相结合。规划方可将BK-PA120A作为专用网络音频扩声节点,替代分散式独立设备,实现更便捷的管理与更规整的工程布局。

BK-PA120A核心优势

BK-PA120A突破了基础网络音频播放设备的定位,专为更高级别的应用需求打造。120W功放级、集成网络解码、灵活混合输入、音调调节、网页管理、文本转语音及多重保护机制,使其成为中大型寻呼系统中性能更强、更易部署的解决方案。

相较于小功率型号,它更适合需要广覆盖、强扬声器驱动或在严苛环境下需更大运行余量的安装场景。对于系统集成商、项目承包商与场馆管理者而言,BK-PA120A在音频性能、网络兼容性与安装便捷性之间实现了优质平衡。

常见问题(FAQ)

1. 什么让BK-PA120A适配大中型寻呼项目?

内置120W高保真功放模块,可提供更大输出功率,满足更广覆盖区域、更长扬声器线路的需求,实现小型SIP功放难以达到的强语音传播效果。

2. BK-PA120A可同时连接麦克风与外部音频源吗?

可以。设备支持2路6.3mm麦克风输入、3路RCA线路输入、2路RCA混合输出,适配集成实时寻呼、播放设备与辅助音频的系统。

3. BK-PA120A支持不同的扬声器布线方式吗?

支持。设备可实现100V、70V定压输出与4Ω~8Ω定阻输出,适配多种扬声器布局与项目结构。

4. 哪些运行功能可简化设备管理?

网页端参数配置、ARM处理平台、文本转语音广播、独立音量控制、音调调节及LED辅助防护功能,均可提升安装效率与日常维护便捷性。

规格

项目 规格
产品型号 BK-PA120A
输出功率 内置高保真功放模块,额定输出功率120W
机械设计 标准19英寸2U机架式设计,拉丝铝合金面板
音频解码 内置1路网络硬件音频解码模块;支持SIP、TCP/IP、UDP、IGMP(组播)协议,实现16位立体声CD音质音频信号的网络化传输
音频输入/输出 2×RCA混合输出
2×6.3mm话筒输入
3×RCA线路输入
MIC1具优先切入功能,独立音量控制
音调调节 支持通过电位器独立调节高音和低音
音频输出 100V/70V定压输出&4Ω~8Ω定阻输出
输出保护 短路、过流、过载保护,LED告警指示
系统保护 内置自激、过热、开关机冲击保护,LED告警指示
主处理器 高性能ARM架构芯片;支持WEB配置修改参数
广播功能 支持文本转语音(TTS)广播
网络接口 1×标准RJ45(10/100Mbps)以太网接口;支持LAN和WAN访问
频率响应 80Hz~16KHz
信噪比 SNR>65dB


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