• 带LED警报的过载保护
  • 基于WEB的管理界面
  • 铝合金前面板
  • 3U机箱设计

贝克BK-PA800A SIP网络功放,专为需要大功率输出、稳定网络音频集成以及更强现场扬声器驱动能力的大型公共广播项目打造。设备采用标准机箱设计、3U铝合金前面板,内部大功率架构针对高要求安装场景优化,适用于小型功放无法满足需求、需将集中广播控制拓展至更广阔、高噪声或复杂环境的项目。

该型号面向大型园区、工业厂区、物流中心、交通枢纽、商业综合体及公共服务建筑设计,可满足IP音频接入、大功率扩声、灵活本地输入与可靠防护的综合实用需求。BK-PA800A集成SIP网络解码、网页参数管理、800W额定输出、独立通道调节功能,同时支持定压与低阻抗扬声器连接,为大面积寻呼及高负载公共广播系统提供开箱即用的部署方案。

大功率机架式安装的BK-PA800A SIP功放正面视图
BK-PA800A为大型公共广播与寻呼项目提供大功率SIP音频扩声。

产品亮点

800W大功率输出,适配高负载音频覆盖

BK-PA800A面向对输出储备功率与扬声器驱动能力远高于常规中小功率SIP功放的项目设计,800W输出级可适配大型走廊、开放式大厅、全域园区、生产车间、仓库、室外覆盖区及多分区场所,即便在严苛声学环境下也能保证广播通知清晰有效。

该功率等级让系统设计师在规划大负载扬声器、长距离布线或大范围广播分区时更具信心。相比多台小功率功放组合,单台BK-PA800A可提供更高效的集中扩声方案,实现大面积语音分发。

网络音频接入,适配真实IP广播系统

BK-PA800A内置IP音频解码模块,支持SIP、TCP/IP、UDP、IGMP组播协议,可作为结构化网络音频架构的组成部分运行,而非独立模拟功放。设备支持16位立体声CD级网络音乐与音频传输,适用于需通过IP管理系统实现语音寻呼和通用音频播放的项目。

标准RJ45网口可在任意有以太网的位置部署,支持跨子网、跨路由访问,便于将功放接入大型管理网络,或由跨楼宇、跨区域的中央服务器与分布式IP系统统一控制,大幅提升安装灵活性。

大型公共广播项目中,功放的价值不仅取决于功率瓦数,更在于功率、网络接入、控制灵活性与运行防护能否在一体化系统平台中完美融合。

机架式集成设计,适配高负荷持续运行

标准机壳与3U铝合金前面板,让BK-PA800A可在设备机房、中央广播机柜、工业控制室及综合通信机房进行专业机柜部署。在网络设备、服务器、音频控制器与功放统一集成的项目中,可实现更规整的安装布局。

工业级结构搭配智能温度检测与低噪音风扇强制风冷系统,风扇在内部电源模块达到设定温度时自动启动,保障高负载工况下稳定运行,延长连续使用环境下的设备寿命。

搭载网页端界面的BK-PA800A SIP功放,可实现网络音频监控与配置
网页端访问支持远程查看与调整网络音频部署的关键参数。

功能特性

灵活输入输出设计,适配各类项目需求

BK-PA800A支持2路RCA混合输出、2路麦克风输入、3路线性输入,可在单台设备上兼容现场麦克风、本地播放设备、辅助音频源与网络音频流。麦克风1支持强制优先抢占与静音调节,可在紧急语音通知需打断背景音乐或低优先级播放时使用。

该结构适用于音频信号源不固定的日常运营场景,可支撑大型场所内中央定时播放、现场寻呼、本地干预、分布式业务音频的混合广播工作流。

独立参数调节,优化现场控制效果

为提升部署实用性,BK-PA800A支持网络音量、低音、高音及各输入通道音量的独立调节,便于集成商与现场运维人员根据不同应用场景精准调控,尤其适用于多信号路径、多扬声器分区需精细平衡的场景。

设备无需对所有音源采用统一音频配置,可根据使用场景精细化设置:现场麦克风、辅助播放源、网络广播流可分别设置增益与音色,BK-PA800A可高效适配这类差异化需求。

扬声器输出兼容,适配多样广播拓扑结构

BK-PA800A支持100V、70V定压输出与4Ω~16Ω低阻抗输出,可灵活匹配各类扬声器线路架构。在大型项目中,不同区域可能部署室外号角扬声器、走廊音箱、壁挂音箱等多种设备,该兼容性尤为重要。

对系统设计师而言,这种灵活性降低了集成难度,可根据项目需求同时服务分布式公共广播网络与局域扬声器回路,无需局限于单一输出方式。

网页管理功能,实现便捷网络部署

BK-PA800A支持网页登录查看与修改设备参数,提升调试、故障排查与日常维护效率。在功放跨楼宇、跨机房部署的大型项目中,浏览器端管理可减少人工现场维护工作量,实现集中化运维。

网络性能满足实际部署需求:支持10/100Mbps传输、8Kbps~320Kbps自适应音频比特率、MP3音频格式、8KHz~48KHz采样率,搭配低网络延迟特性,可平滑融入现代IP寻呼环境。

多重防护、监控与散热,支持持续运行

BK-PA800A具备短路、过流、过载、过热及开关机冲击保护,全部配备LED告警指示;同时支持饱和失真告警与信号电平LED指示,为操作人员与维护人员提供清晰的输出状态与异常情况可视化反馈。

这类防护与监控功能在大功率部署中价值显著,大型公共广播系统常需长时间运行且负载多变,可靠的功放保护是保障系统持续运行、保护外接扬声器、提升长期运维信心的关键。

应用于园区、工厂、仓库或商业公共广播扬声器系统的BK-PA800A SIP功放
BK-PA800A专为复杂场所的大负载扬声器与广域寻呼覆盖设计。

应用场景

大型园区与教育广播系统

拥有多栋教学楼、宿舍楼、运动场地、开放式走廊与公共区域的教育场所,通常需要小型功放无法满足的强音频覆盖能力。BK-PA800A可承载大负载扬声器,同时融入带网页管理与灵活音源输入的网络广播系统,完美适配该类场景。

设备可同时处理常规节目音频与现场寻呼,适用于园区通知、上下课提醒、定时播放、紧急通告及广域语音分发,兼顾集中控制与现场灵活性。

工厂、仓库与工业通信区域

工业场所普遍声学环境复杂、覆盖范围广,生产车间、物流区、装卸区、仓库、配套用房及厂区室外区域均需大功率输出以保证语音清晰度与稳定业务通信。BK-PA800A凭借更强的扬声器驱动能力与更坚固的防护设计,适配该类工况。

设备支持本地麦克风优先、网络播放与独立音频调节,可兼顾日常生产通信与紧急干预,满足工业用户对基础背景音乐功放之外的更高需求。

商业综合体与多楼宇设施

商业建筑、医院、交通枢纽、零售场所及综合开发区,通常需要可跨大面积楼层、多分区扩展的网络广播系统。BK-PA800A可作为大功率SIP功放节点使用,尤其适用于需要广覆盖、多扬声器回路或大功率储备的场景。

设备兼容多种扬声器输出方式与跨网络部署灵活性,可低妥协地融入复杂场所音频规划,是中大型IP寻呼项目集成商的优选高性能功放。

公共服务与基建设施

市政建筑、交通配套站点、公共服务园区及基建设施,通常需要可集中管理、长期稳定运行的坚固广播设备。BK-PA800A将大功率输出、网络协议兼容、网页管理与强防护特性集成于单台机架式设备,高度适配该类环境。

对这类项目而言,功放可在实现广覆盖的同时,作为IP音频架构的一部分统一管理,帮助规划方搭建不仅音量充足,且结构规整、易维护、易扩展的广播系统。

BK-PA800A核心优势

BK-PA800A并非轻量级音频扩展设备,而是专为大规模寻呼与公共广播工程研发,800W功率、集成SIP解码、灵活混合输入、独立参数调节、跨网访问、网页管理、智能散热与多层防护设计,使其能真正满足高覆盖、高负载项目需求。

相比低功率型号,它更适用于看重输出储备、扬声器广布与长期运行稳定性的安装场景。对系统集成商与项目方而言,BK-PA800A在网络音频兼容性、安装规范性与大功率扩声性能间实现了优秀平衡。

常见问题(FAQ)

1. BK-PA800A最适用于哪类项目?

BK-PA800A最适用于园区、工厂、仓库、商业建筑、交通设施及公共服务场所的大规模SIP寻呼与公共广播项目,这类场景需要大功率输出与广域扬声器覆盖。

2. BK-PA800A能否在大型IP网络架构中运行?

可以。设备支持SIP、TCP/IP、UDP、IGMP组播协议,采用标准RJ45接口,支持跨子网、跨路由部署,可接入大型管理型IP音频系统。

3. BK-PA800A提供哪些扬声器输出选项?

设备支持70V、100V定压输出与4Ω~16Ω低阻抗输出,可适配各类扬声器线路结构与项目需求。

4. 哪些功能可提升日常运行可靠性?

设备的可靠性功能包括智能温控风扇散热、短路保护、过流保护、过载保护、过热保护、开关机冲击保护、失真告警及LED状态指示,便于监控与维护。

规格

项目规格
产品型号BK-PA800A
输出功率内置高保真功放模块,额定输出功率800W
机械设计标准机箱设计,3U铝合金面板
网络接口1×标准RJ45(10/100Mbps)以太网接口;支持跨网段、跨路由访问,可由服务器及其他IP网络设备访问控制
音频解码内置网络IP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×话筒输入
3×线路输入
MIC1具优先切入与衰减调节功能
音量与音调控制网络音量、高音与低音、各输入通道音量独立调节
音频输出100V/70V定压输出&4Ω~16Ω定阻输出
输出保护短路、过流、过载保护,LED告警指示
系统保护自激、过热、开关机冲击保护,LED告警指示
失真与指示饱和失真LED告警;信号电平LED指示
散热系统智能温度检测驱动低噪风扇风冷;强制风冷(侧进风,后出风),内部电源模块达55℃时风扇启动
输入灵敏度与阻抗MIC1,MIC2:5mV/600Ω,非平衡6.3mm端子
AUX1,AUX2,NET:350mV/10KΩ,非平衡RCA端子
输出灵敏度与阻抗输出:1000mV/470Ω,非平衡RCA端子
音调调节低音:100Hz时±10dB;高音:10KHz时±10dB
频率响应50Hz~16KHz(+1dB,-3dB)
信噪比MIC1,MIC2:66dB;AUX1,AUX2,NET:80dB
总谐波失真<0.5%(1KHz,1/3额定功率)
网络延迟≤50ms
音频比特率自适应8Kbps~320Kbps
音频格式MP3
采样率8KHz~48KHz
支持协议ARP、UDP、TCP/IP、ICMP、IGMP(组播)
管理支持WEB登录查看修改设备参数
电源AC220V/50Hz
功耗30W~1000W
工作温度-20℃~+60℃
工作湿度10%~90%(无凝结)
尺寸482(宽)×454(高)×133(深)mm
净重26.5Kg


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