Product Information

Attribute

Value

Watt

30 Watt

Ahuja UHC 30XT weatherproof PA horn speaker with metal mounting bracket

Horn Speaker Ahuja UHC 30XT

KTI1400400UH30T

Product Description

The Ahuja UHC 30XT is a commercial-grade 30W RMS weatherproof PA horn speaker engineered with a built-in 100V line matching transformer for distributed public address and paging installations.

Brand: Ahuja
Model: UHC 30XT
Power Rating: 30W RMS / 45W Max
Line Voltage: 100V constant-voltage line with internal transformer
Power Taps: 30W (330Ω), 25W (400Ω), 20W (500Ω), 15W (670Ω), 10W (1kΩ), 5W (2kΩ) via rear rotary switch
Sound Pressure Level (SPL): 108 dB (1W/1m), 123 dB (30W/1m at 1 kHz)
Frequency Response: 240 Hz – 10,000 Hz
Construction: UV-protected ABS flare, reflector, and rear housing
Mounting: 270-degree rotatable heavy-duty metal bracket with stainless steel hardware
Ingress Protection: IP66 dust-tight and water-jet proof
Cable Termination: 0.6 m 2-core sheathed speaker cable with water-tight cable gland
Compliance: EN 60065 Low Voltage Directive

KTI1400400UH30T

Price

₹ 2,631.15 excl. GST

+ 18.00% Tax + Freight Charge

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Product Details
Available Brands	Ahuja
Unit	Numbers
HSN Code	85319000
Weight	3.12 kg
Dimension	L 28.5 x W 31.3 x H 31.3 cm cm ft in m
Warranty	12 Months No-Onsite Warranty
Tags/categories	Automation PA Solutions Speakers, Horn Speakers
Standards	IS/IEC 60529

Usually dispatched within 8 days

About this product .

The Ahuja UHC 30XT is an industrial public address horn speaker specifically designed to deliver high speech intelligibility and acoustic projection across distributed high-voltage sound networks. Powered by an internal 100V line matching transformer, it eliminates power loss over long cable runs in extensive commercial and industrial premises.
Constructed with an impact-resistant, UV-protected ABS plastic bell, reflector, and rear housing, this speaker is built to withstand prolonged exposure to direct sunlight and adverse weather conditions. The driver incorporates an aluminium bobbin voice coil for rapid heat dissipation and extended thermal endurance under sustained operation.
A sealed rotary switch on the rear assembly provides accessible on-site power tap adjustments between 5W, 10W, 15W, 20W, 25W, and 30W RMS. This multi-tap flexibility allows system designers and facility engineers to balance zone sound pressure levels precisely without opening the sealed driver enclosure.
Certified with an IP66 ingress protection rating, the unit prevents particulate ingress and resists high-pressure water jets, making it suitable for perimeter fences, industrial process floors, yards, and parking lots. Electrical integration is simplified via an integrated 0.6-meter 2-core sheathed cable secured through a water-tight, tug-proof cable gland.
Mounting is facilitated by a robust metal bracket offering 270 degrees of articulation for directional sound coverage on walls, columns, or structural steelwork, secured with corrosion-resistant stainless steel fasteners.
Routine maintenance involves visual checks of the stainless steel mounting hardware and cable gland tightness, as the fully sealed driver enclosure eliminates internal component servicing requirements.

Product Information .

Worship Places Industries, Factories Shopping Malls, Showrooms Public Roads Conference Rooms Auditorium Emergency Services

100V Distributed PA Line Architecture & System Compatibility

The Ahuja UHC-30XT is engineered specifically for integration into 100V constant-voltage public address, paging, and voice notification architectures. Designed for distributed audio networks in industrial plants, warehouses, perimeter fences, and open yard facilities, the horn speaker utilizes a built-in line matching transformer that enables long cable runs across large physical footprints without significant signal degradation or transmission line power loss.

Constant-Voltage 100V Amplifier Interfacing

The UHC-30XT is directly compatible with all commercial and industrial PA mixer-amplifiers, power amplifiers, and zone selectors providing a standard 100V loudspeaker line output. Speakers on a 100V distributed network are wired strictly in parallel line topology. This parallel configuration allows audio system engineers to connect multiple UHC-30XT units across a single amplifier channel, provided the aggregate wattage tapped across all connected speakers remains within the rated output capacity of the driving amplifier.

Connecting the UHC-30XT directly to low-impedance (4Ω or 8Ω) amplifier outputs must be avoided. Operating 100V transformer-equipped speakers across low-impedance terminals causes impedance mismatches, driver transformer saturation, and severely attenuated acoustic output.

Power Tapping & Impedance Compatibility Matrix

System integrators can balance sound pressure levels across distinct facility zones using the sealed multi-position rotary switch on the rear housing. Wattage adjustment is completed externally without opening the weather-proof horn enclosure. The selectable power taps and corresponding primary impedance values are structured as follows:

Power Tap (100V Line)	Primary Impedance (Ω)	Output Performance & Application Zone
30W (RMS Maximum)	330 Ω	Full 123 dB SPL output (at 1m) for high-noise industrial fabrication yards and plant perimeters.
25W	400 Ω	High acoustic output for expansive outdoor staging areas and heavy warehousing.
20W	500 Ω	Intermediate power level for large distribution bays and loading docks.
15W	670 Ω	Balanced level for medium-noise assembly areas and storage facilities.
10W	1,000 Ω (1 kΩ)	Standard paging coverage for general circulation pathways and wide corridors.
5W	2,000 Ω (2 kΩ)	Low-noise boundary zones, gatehouses, and controlled indoor facilities.

Cabling & Field Connection Interface

The unit comes pre-wired with a 0.6 m (2 ft) length of 2-core sheathed speaker cable entering the rear enclosure via a factory-sealed, water-tight, tug-proof cable gland. For connection into main plant field cabling, the 2-core tail should terminate into an external IP-rated junction box or terminal enclosure to preserve the assembly's overall IP66 ingress protection standard.

Mechanical & Mounting Infrastructure Compatibility

The UHC-30XT features a heavy-duty metal mounting bracket engineered with 270-degree rotation. This allows field technicians to secure and orient the speaker on structural I-beams, flat concrete walls, steel truss columns, and dedicated pole-mounting clamps. All external stand mounting bolts are manufactured from stainless steel, ensuring hardware compatibility and corrosion resistance in coastal, chemical, or outdoor industrial operating environments.

Compliance & Standards

The horn assembly is fully compliant with the European Union Low Voltage Directive standard EN 60065, ensuring electrical safety and design compliance when integrated into commercial and industrial audio distribution systems.

Mechanical Mounting, Field Wiring, and Power Tap Configuration

Mechanical Mounting and Bracket Positioning

The Ahuja UHC-30XT horn speaker is supplied with a heavy-duty metal mounting bracket designed for secure attachment to walls, structural columns, steel posts, and perimeter framing in industrial environments. The mounting assembly incorporates corrosion-resistant stainless steel external hardware that withstands prolonged outdoor exposure. The integrated bracket permits a 270-degree rotation radius, enabling site engineers to orient the ø313 mm bell flare directly toward target acoustic zones across warehouses, processing yards, or manufacturing facilities.

When planning physical installation, structural supports must be evaluated to accommodate the horn assembly weight of 3.12 kg along with potential dynamic wind loads. Ensure that the bracket mounting bolts are securely torqued against the mounting surface prior to setting the final acoustic tilt and azimuth angles.

100V Distributed Line Wiring

The UHC-30XT is engineered specifically for high-voltage 100V distributed public address networks, allowing extensive cable runs across plant facilities without significant signal attenuation. Electrical termination is achieved via the pre-wired 0.6 m (2 ft) 2-core sheathed speaker cable extending from the rear housing through a factory-installed, water-tight, and tug-proof cable gland.

For permanent field integration, connect the factory cable leads to the incoming 100V distribution line using an external IP-rated junction enclosure. Multiple horn units must be connected strictly in parallel across the constant-voltage line. Do not connect this 100V transformer-equipped unit to low-impedance 4Ω or 8Ω amplifier output terminals, as direct low-impedance matching will cause severe signal attenuation, transformer core saturation, and improper power loading.

Rear Rotary Switch Power Tap Selection

System integrators can balance acoustic sound pressure levels against total amplifier capacity by selecting the appropriate power tap via the sealed rotary switch located on the rear cover. Power tap adjustment does not require disassembling the UV-protected ABS enclosure, preserving the integrity of internal components, including the aluminium bobbin-wound voice coil.

Input Line Voltage	Rated Power Output	Impedance Setting
100V	30W (Maximum RMS Tap)	330 Ω
100V	25W	400 Ω
100V	20W	500 Ω
100V	15W	670 Ω
100V	10W	1.0 kΩ (1000 Ω)
100V	5W	2.0 kΩ (2000 Ω)

Environmental Integrity and Commissioning

To preserve the IP66 dust-tight and high-pressure water jet ingress protection rating during commissioning, observe the following setup criteria:

Ensure the rear selector switch is fully seated into its detent position to maintain the weather-proof seal.
Avoid modifying, enlarging, or pulling on the sealed cable gland assembly to prevent moisture ingress into the driver chamber.
Calculate the cumulative wattage of all parallel-connected horns (ranging from 5W to 30W per unit) to ensure the total line load remains within the rated power output of the driving 100V amplifier.
Verify that overall installation practices comply with EN 60065 Low Voltage Directive standards.

Maintenance, Inspection, and Service Guidelines for Ahuja UHC-30XT

The Ahuja UHC-30XT horn speaker is engineered with an IP66-certified weather-proof construction and a fully sealed assembly designed to prevent particulate intrusion and water ingress across industrial and outdoor environments. To ensure continuous acoustic reliability across distributed 100V public address lines, plant maintenance teams should execute periodic mechanical, physical, and electrical verifications.

Mechanical and Structural Hardware Inspection

Due to the industrial environments in which 100V line horn speakers operate, physical mounting stability must be checked at scheduled intervals:

Mounting Bracket and Hardware: Inspect the heavy-duty metal mounting bracket and its 270-degree swivel mechanism for secure fastening. Ensure the external stainless steel stand mounting bolts remain properly torqued to avoid positional shifting under heavy vibration or wind load.
Enclosure Integrity: Visually inspect the UV-protected ABS plastic acoustic horn flare (ø313 mm diameter), reflector, and rear cover assembly for any mechanical impact damage, heavy environmental accumulation, or foreign obstruction within the 285 mm horn length.
Cable Entry and Gland: Check the integrity of the water-tight, tug-proof cable gland securing the factory-fitted 0.6 m (2 ft) 2-core sheathed speaker cable. Ensure the outer jacket is intact and free from mechanical strain, abrasion, or environmental wear.

Electrical and Line Matching Transformer Servicing

The UHC-30XT features an internal 100V line matching transformer that enables long cable runs with minimized power loss. Maintenance of electrical parameters ensures optimal driver longevity:

Power Tap Switch Inspection: The rear rotary switch permits direct power selection without opening the sealed housing. Confirm the switch is securely set to the designated wattage/impedance tap for the line zone: 30W (330Ω), 25W (400Ω), 20W (500Ω), 15W (670Ω), 10W (1kΩ), or 5W (2kΩ). Ensure the switch housing remains clean and fully sealed.
Impedance and Line Load Verification: When testing 100V distributed networks, measure total line impedance with an impedance meter to ensure total horn load does not exceed amplifier rated output. Verify that 100V line horn speakers are never directly wired across low-impedance 4Ω or 8Ω amplifier output taps to prevent core saturation and driver distortion.
Voice Coil and Acoustic Output Checks: Confirm the acoustic output reaches rated performance specifications (108 dB at 1W/1m and up to 123 dB at 30W/1m across the 240 Hz to 10,000 Hz operating range). The precision-wound voice coil on its aluminium bobbin is designed for continuous heat dissipation; persistent distortion often indicates improper line tapping or excessive driving beyond the 45W maximum power limit.

Periodic Maintenance Schedule

Inspection Task	Frequency	Procedure / Verification Parameter
Mounting Hardware	Quarterly	Check tightness of stainless steel bolts and 270° metal bracket positioning.
Enclosure & Flare	Semi-Annually	Clear dirt/dust accumulation from UV-protected ABS bell and reflector.
Cable Gland & Cable	Semi-Annually	Verify water-tight gland seal and 0.6 m 2-core sheathed cable condition.
Rotary Tap Switch	Annual / Setup	Confirm correct wattage tap (5W–30W) aligned with system design.
Compliance & Safety	Annual	Confirm continuous operational compliance with EN 60065 standards.

Industrial Application Scenarios & PA System Integration for Ahuja UHC-30XT

The Ahuja UHC-30XT horn speaker is engineered for deployment in high-voltage 100V distributed public address, paging, and voice alarm systems. Built with an IP66-certified, UV-protected ABS construction, high acoustic output (123 dB maximum SPL), and a multi-tap line transformer, it is designed for demanding industrial, commercial, and perimeter security applications requiring high voice intelligibility over expansive coverage zones.

Industrial Manufacturing Facilities & High-Noise Production Floors

Heavy fabrication workshops, processing units, and industrial plant floors often generate continuous machinery noise that masks standard background speakers. The UHC-30XT delivers an acoustic output of 108 dB at 1W/1m and up to 123 dB at 30W/1m (at 1 kHz) across a targeted 240 Hz to 10,000 Hz frequency band. This frequency profile focuses acoustic energy directly within the human speech spectrum, ensuring critical voice announcements and shift-change paging cut through elevated industrial ambient noise levels.

Large-Scale Logistics Warehouses & Storage Yards

In extensive indoor storage facilities and vast open loading bays, long speaker cable runs typically lead to severe voltage drops in conventional low-impedance systems. Utilizing its internal 100V line matching transformer, the UHC-30XT operates on constant-voltage parallel lines, allowing system engineers to run extended cable runs across warehouse bays and outdoor staging yards without noticeable line power loss.

Long-Distance Cable Topologies: Connect multiple units across a single 100V amplifier line without requiring complex series-parallel impedance balancing.
Zoned Sound Tailoring: Adjust coverage in staging areas by rotating the rear rotary switch to lower power taps (such as 5W, 10W, or 15W) while operating high-ceiling docks at 30W.

Perimeter Security & Outdoor Facility Surveillance

For perimeter fence monitoring, gatehouses, transport hubs, and outdoor open yards, continuous exposure to harsh elements is a major failure point for standard audio equipment. The UHC-30XT incorporates a UV-protected ABS flare, reflector, and back cover, along with corrosion-resistant stainless steel external mounting hardware. Its IP66 rating shields internal driver components from fine particulate ingress and high-pressure water jets, while the water-tight, tug-proof cable gland protects the 0.6 m 2-core factory cable connection.

Directional Audio Alignment on Structural Columns and Poles

Facility architecture often requires flexible aiming angles to prevent sound reverberation against reflective surfaces. The heavy-duty metal mounting bracket rotates through a 270-degree arc, allowing technicians to install the unit on walls, structural steel I-beams, or outdoor perimeter poles, directing clear acoustic output directly toward designated muster points or operator walkways.

Deployment Zone	Recommended Power Tap	Impedance	Primary Acoustic Objective
Outdoor Open Yards & Perimeter Fences	30W / 25W	330Ω / 400Ω	Maximum sound throw and penetration over wide expanses
High-Ceiling Manufacturing Bays	15W / 20W	670Ω / 500Ω	Overcoming ambient machinery noise with clear voice paging
Loading Docks & Staging Warehouses	5W / 10W	2kΩ / 1kΩ	Controlled directional coverage without excessive echo

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Watt	30 Watt	—	—	—
Certifications	IS/IEC 60529	—	—	—
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