Horn Speaker[2]
Overview
Horn speakers are electroacoustic transducers designed to efficiently convert electrical signals into audible sound with minimal distortion. They derive their name from the flared horn structure, which acoustically amplifies and directs sound waves. Originally developed in the early 20th century for voice projection in theaters, modern horn speakers now serve critical roles in industrial safety systems, mass notification, and transportation hubs due to their reliability in harsh environments.
Structure and Working Principle
A horn speaker consists of three core components: a driver unit (compression driver or dynamic transducer), a horn flare, and a protective housing. The driver converts electrical signals into mechanical vibrations, which the horn then loads and matches to the surrounding air impedance. The exponential or hyperbolic shape of the horn controls directivity and increases acoustic efficiency by gradually transitioning from high pressure at the throat to lower pressure at the mouth. This design achieves up to 10 dB higher sound pressure levels compared to direct-radiating speakers.
Key Features
Directional sound projection allows targeted audio delivery—critical for emergency systems where clarity matters most. Most industrial models feature weatherproofing (IP65 or higher) and corrosion-resistant coatings for outdoor installation. Modern variants incorporate LED visual alerts and network connectivity for integrated warning systems. High-power models (50W+) can achieve 120 dB SPL at 1 meter, sufficient for noisy factory environments.
Application Areas
Industrial plants deploy horn speakers for evacuation alerts and machine status signals. Their directional output prevents interference in adjacent work zones. Transportation hubs use them for boarding announcements where ambient noise exceeds 80 dB. In security systems, combined siren-horn units provide both audible tones and voice commands. Marine versions with stainless steel construction serve ship-to-ship communication needs.
Maintenance and Precautions
Quarterly inspections should check for diaphragm damage in the driver and horn throat obstructions. Silicone sealant replenishment maintains weather resistance. Avoid pointing horns directly at reflective surfaces to prevent acoustic feedback. For high-voltage models (100V line systems), ensure proper impedance matching to amplifier outputs. Always disconnect power before servicing internal components.
B2B Procurement Guide
Specify operating voltage (24V DC, 70V/100V line), SPL requirements, and IP rating based on installation environment. Bulk orders (50+ units) typically attract 15–30% discounts from manufacturers. Leading OEMs like TOA, Bogen, and Pyle offer customization for horn flare angles (60°–90° common) and mounting brackets. Request samples for acoustic testing before large deployments.
Related Manufacturers
- 主营：--
- 主营：--
- 主营：IP网络广播系统、防爆号角、专业音箱、会议系统
- 主营：公共广播、无线广播、调频广播、预警广播、扬声器、ip广播、云广播、校园广播、应急广播、广播系统、广播设备、调频发射机、功放、音柱、音箱、收扩机、大喇叭、高音号角、广播音响、校园防欺凌系统、高德定位路锥、四六级听力发射系统、四六级听力发射机、四六级考场广播、户外广播
- 主营：4G无线云广播、村村通广播、校园广播系统、SIP扬声器、农村大喇叭、服务器、景区背景音乐喊话
- 主营：ai语音识别讨讲广播系统、poe网络、poe吸顶、校园防霸凌设备、喇叭poe、云广播、收扩机、音响poe、ip有源音、无线广播、网络音柱、手机广播、远程广播、可视对讲、远程喊话、壁挂音箱、音柱音响、防雨音柱、广播功放、草坪音箱、广播系统、ip网络定压功放
- 主营：煤矿氧气呼吸器、全液压坑道钻机、直读式粉尘测定仪、防爆号筒式扬声器、矿用乳化液泵配件、矿用钻机配件、煤矿消防救护、氧气测定器、灾区电话、氢氧化钙、二氧化碳吸收剂、煤矿绞车、煤矿注浆泵、矿用孔板流量计、轨道道口板、自动苏生器、空气呼吸器、氧气充填泵、消防破拆工具、道口板、消防救护器材、煤矿井下用自动隔爆装置、泄露通讯装置、抱索器
- 主营：吸顶音箱、草坪音响、防水音柱、室外150W号筒式扬声器、吸顶喇叭、车站ip功放、户外ip功放、IP网络吸顶音响、IP网络广播系统、校园广播系统、IP网络防水音柱、POE供电IP网络防水音柱、IP网络广播号角、有源防水号角喇叭、IP网络广播功放、IP网络草坪音响、数字网络广播系统、红外感应防水音柱、IP音响、有源高音号角喇叭、30瓦有源号角、高速公路定向喇叭、高速路定向高原喇叭、IP教学音响、IP网络教学音响、应急广播系统
- 主营：诺帝菲尔消防报警设备、泰和安消防报警设备、海湾消防报警设备、图像型火灾探测器、青鸟消防火灾报警设备、西门子消防报警设备、烟雾传感器RS485、配电房火灾报警系统、联网型感温探测器、防爆火焰探测器、联网输出烟感探测器、水浸传感器、烟温复合探测器、车库CO浓度监控探测器、防爆手动报警按钮、消防电源箱、烟雾报警器、防爆红外火焰探测器、防爆气体检测仪、感温感烟火灾探测器、消防报警主机、消防广播主机、感烟探测器、温湿度探测器
- 主营：牙膏硬度计、番茄酱粘度计、电路实验箱、号筒扬声器、吴茵混调器、辣椒素检测仪和辣椒素试剂盒、马尔文激光粒度仪的配件排线主板等、酸盐还原菌细菌测试瓶KBC-SRB/腐生、压缩氧自救器气密性检测仪/ 自救器气密性、单片机嵌入式试验箱、马尔文系列配件、辣椒素试剂盒、土壤团聚体分析仪、海流计、直链淀粉测定仪、旋转蒸发仪、饱和蒸气压测定、水体叶绿素测定仪、便携式刻槽取样机、横式采样器、数字模拟电路实验箱、平流泵、马尔文玻璃微珠、德国SB粉、过硬颗粒测定仪、Sasol德国SB粉
- 主营：--
- 主营：防爆空调、投光灯、照明灯、防爆扬声器、防爆泛光灯、防水三防灯、防爆风机、防爆平台灯、防爆配电柜、防爆开关、双头应急灯、防爆仪表、防爆防腐空调器、防爆接线箱、防爆断路器、不锈钢防爆防腐控制器、防爆急停按钮、防爆光电开关、防爆照明开关、防爆操作柱、防爆行程开关、防爆电笛、防爆防腐按钮盒、防爆插销、防爆数显钟
- 主营：测试仪、热封机、茎流仪、YH系列号筒扬声器、检测仪、监测仪、测定仪、喷雾机、减震器、流量计、声级计、测液体、氧分析仪、三角底拖、防爆压力、交流低阻、梯度pcr仪、防爆通球、计标定台、数字罗盘、玻璃微珠、定时加热器、紫外辐射计、劈样机定做、电解测厚仪、智能测氧仪
- 主营：车载喊话器、调音台、多功能功放、IP网络广播设备、大小剧场扩声系统设备、背景音乐系统设备、会议室扩声系统设备、ktv音箱、消防广播系统设备、校园广播系统设备、ktv扩声系统设备、IP网络功放、手持喊话器、草坪音箱、室外音柱、纯后级定压功放、喊话器、广场舞音箱、数字广播设备、吸顶音箱
- 主营：调音台、拾音头、麦克风、扬声器、分配器、控制器、放大器、音频卡、打碟机、混音器、电子管、分离器、混音台、功放机、混响器、发射机、转换器、数字功放、演出音箱、低音音箱、卡包音箱、会议系统、蓝牙耳机、无线接收、防水音箱
- 主营：防爆扬声器矿用、防汛 挖机属具、路面机械 高速养护、农用机械
- 主营：雅马哈、视频会议
- 主营：会议音响扩声系统设备、专业演出无线麦克话筒、手拉手讨论会议系统、成都大功率号筒扬声器、IP网络数字广播系统、智能定时广播系统设备、视频会议高清摄像机、视频会议全向麦克风、无纸化会议系统设备、多媒体信息发布系统、专业舞台灯光音响设备、数字调音台安装调试、体育场音响系统设备、圆桌会议音响设备安装、视频会议室音响设备、学校定时铃声广播系统、高清电视机租赁服务、专业音响系统设备租赁、专业舞台灯光设备租赁、成都音响系统设备安装、成都无线手持话筒销售、成都无线会议话筒销售、舞台音响系统设备维修、专业音响功放维修、KTV音响系统设备、校园广播系统设备维修