Analog Public Address System

Proven wired communication for field stations and loudspeakers in demanding industrial environments. Simple installation, robust operation, and compatibility with existing plant cabling infrastructure.

Analog PA Architecture Advantages

Direct wired reliability for environments where simplicity, ruggedness, and proven performance matter most.

Existing Infrastructure

Existing Infrastructure

Works with installed two-wire and multi-pair cabling. No network switches, IP configuration, or firmware updates required.

Hazardous Area Ready

Hazardous Area Ready

BNA 7400 flameproof speaker operates safely in Zone 1 explosive atmospheres without digital electronics or complex certifications.

Simple Maintenance

Simple Maintenance

Straightforward troubleshooting with standard cable testing. No software, no network diagnostics, no firmware updates required.

Why Analog Still Wins

In harsh industrial environments, simplicity and reliability beat complexity every time.

No software licenses or IT infrastructure needed
Direct compatibility with existing industrial cabling
Proven reliability in hazardous and demanding environments
Simple troubleshooting without specialized tools
Fast and easy system repairs in critical moments
Cost-effective deployment without complex hardware
Field Call Station

Analog PA System Products

Field-proven products for analog PA deployments with exceptional durability.

power amplifier
BNA 500W

power amplifier

BNA Booster Amplifier for commercial, industrial and security PA applications

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desktop handset station
BNA 5200

desktop handset station

Desktop handset station. Desktop mounted PA handset.

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BNA 5200/10

control box for desktop handset station

Control box for desktop handset station

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wall mounted handset station
BNA 6200

wall mounted handset station

Wall-mounted handset station. Field call station.

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weatherproof canopy for field station
BNA 6200/10

weatherproof canopy for field station

Outdoor weatherproof FRP canopy (250W x 250D x 660H) with handle, magnetic lock and mounting accessories for field call stations. FRP canopy with mounting accessories.

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indoor/outdoor flame proof field call station
BNA 6400

indoor/outdoor flame proof field call station

The Field call stations are Flame Proof type with protection against direct rain, ingress of dust and moisture conforming to IP-65 degree of protection. Compliance to Gas Group Zone-1 & 2, Group-IIC, T6, CMRI Approved. Flame proof Wall Mount Field Station provides reliable industrial communications in environment where all call or all page and selective calling communication are required.

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station junction box
BNA 7200

station junction box

Station junction box

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BNA 7200/10

branching junction box

Branching junction box

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loudspeaker junction box
BNA 7201

loudspeaker junction box

BNA loudspeaker is provided with a junction box - LSJB7201. The input to the LSJB's is paralleled with the inputs of other LSJB's from the Page line – 4 Way terminals of the Zone. The output is connected to output terminals of the 2-way terminal block for feeding the loudspeaker.

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flame proof junction box
BNA 7204

flame proof junction box

The Junction boxes are Flame Proof type with protection against direct rain, ingress of dust and moisture conforming to IP-65 degree of protection. Compliance to Gas Group Zone-1 & 2, Group-IIC, T6, CMRI Approved. The Flame Proof Junction Box consists of a Krone module to manage the wiring of signal cables between the Rack and field call stations.

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10 pair distribution box
BNA 7204/10

10 pair distribution box

It is a signal distribution frame or cable rack used in telephony to interconnect and manage telecommunication wiring between itself and any number of intermediate distribution frames and cabling from the telephony network it supports. Krone connectors of the MDF/ SDF depend on the no. of telephone set connected.

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100 pair distribution box
BNA 7204/100

100 pair distribution box

100-pair main distribution box with Krone connectors

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power distribution box
BNA 7300

power distribution box

BNA Power Distribution box has facility to create multiple power lines. 1 input power and Minimum 5 power output loops can be created. MCB is provided for extra protection. Enclosure material is industrial grade LM-6 having ingress protection IP-65.

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indoor/outdoor horn type speaker
BNA 7301

indoor/outdoor horn type speaker

Weather Proof horn speaker for Industrial, Commercial, Security Applications. BNA high quality, weather proof horn speakers are compact, light weight, rugged and molded in tough ABS plastic. The specifications and construction of these are similar to the low impedance horn speakers. These models have been provided with 100V line matching transformers with multiple taps / impedance at the rear of the sealed assembly. These 100V models are ideal for installations where long speaker cables are used to avoid power loss in the cables. IP-65 is provided against foreign particles such as dust and jets of water, thus making them ideal for outdoor use.

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indoor cone type speaker
BNA 7302

indoor cone type speaker

BNA's industrial speaker units are designed to provide optimum performance in industrial applications. These indoor cone speakers are used in Power/ Steel / Petrochemical and process plants with high ambient noise, corrosive environments.

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BNA 7305/15

indoor box speaker

Indoor box speaker

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flame proof horn type loudspeaker
BNA 7400

flame proof horn type loudspeaker

The flame proof Loudspeaker consists of special anti-corrosive aluminum alloy "LM6" casting machined to high accuracies ensuring the required flame path to comply with IS 2148-1981 Standard. BNA's flameproof horn type speaker with 25-Watts (RMS) Driver unit is designed to provide optimum performance for industrial applications. This indoor / outdoor horn speaker is commonly used in heavy industrial facilities with high ambient noise areas and corrosive or explosive environments. The Flame Proof Horn Type Loudspeaker is protected against direct rain, ingress of dust and moisture. It has IP-65 / IP-66 degree of protection and compliance to Gas Group Zone-1 & Zone-2, Group-IIC, T6, CMRI Approved. The unit is compatible with a range of industrial communication equipment offered by BNA and enables paging over the entire explosive / hazardous area. The BNA Flame Proof Speaker complies to Ex "d", Zone-1 and Zone-2, Group-IIC and can also operate at rated capacity with T6 temperature class.

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42U rack
BNA 42U-RACK

42U rack

Heavy-duty 42U server and equipment rack enclosure for mounting PA system controllers, amplifiers, and associated network/telephony equipment in centralized equipment rooms.

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Perfect For Demanding Environments

When your facility demands simplicity, durability, and proven reliability

Refineries & Petrochemical Plants

Hazardous Area Facilities (Zone 1/2)

Metal Mills & Foundries

Mining Operations

Chemical Processing

Oil & Gas Facilities

Industrial Warehouses

Legacy System Upgrades

Hazardous Area Certified Solutions

Our flameproof speakers and equipment meet ATEX and IEC standards for Zone 1 and Zone 2 explosive atmospheres.

ATEX/IEC Compliance: All flameproof equipment meets European and international standards for use in hazardous areas where explosive gases or dust atmospheres may be present during normal operation.

Need Simple, Reliable PA Communication?

Our analog systems are purpose-built for industrial environments where simplicity and durability are paramount

Analog PA System — Scenario Q&A

Real-world scenarios answered by our pre-sales engineering team.