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

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

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.

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

power amplifier
BNA Booster Amplifier for commercial, industrial and security PA applications

desktop handset station
Desktop handset station. Desktop mounted PA handset.
control box for desktop handset station
Control box for desktop handset station

wall mounted handset station
Wall-mounted handset station. Field call station.

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.

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.

station junction box
Station junction box
branching junction box
Branching junction box

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.

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.

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.

100 pair distribution box
100-pair main distribution box with Krone connectors

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.

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.

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.
indoor box speaker
Indoor box speaker

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.

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.
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.




