How effective are the Allen Ultrx Sound Blocker earmuffs at protecting my hearing, and are they certified for safety?

The Allen Ultrx Sound Blocker earmuffs provide a Noise Reduction Rating (NRR) of 23 dB, effectively shielding your ears from harmful high-decibel sounds. They are tested and certified to international safety standards, specifically ANSI S3.19 and CE EN352-2, ensuring reliable hearing protection.

Are these earmuffs suitable for use at shooting ranges or during hunting in Australia, and how do they compare to active hearing protection?

Yes, the Allen Ultrx Sound Blocker earmuffs are ideal for recreational shooting, hunting, and general DIY use in Australia, offering robust protection against muzzle blasts and loud machinery. As a fully passive device, they provide consistent noise reduction without requiring batteries or electronics, making them a reliable and portable safety accessory.

Do the Allen Ultrx Sound Blocker earmuffs comply with Australian safety standards, especially regarding electrical components?

Since the Allen Ultrx Sound Blocker is a completely passive hearing protection device, it contains no electrical components, wiring, or batteries. Therefore, Australian electrical standards such as 240V compatibility, SAA approvals, or RCM certification are not applicable. While rated by international NRR, they serve as excellent hearing protection for recreational use in Australia.

How comfortable are the Allen Ultrx Sound Blocker earmuffs for extended wear, and are they easy to transport?

These earmuffs are designed for comfort during extended use, featuring plush, cushioned ear cups and a soft, padded headband. Their compact, folding design allows them to collapse easily, making them highly portable and convenient to store in range bags, toolboxes, or backpacks.

Hearing Protection Earmuffs - Allen AL4127 ULTRX

Allen ULTRX Sound Blocker Passive Earmuff (Model AL4127) Overview

The Allen ULTRX Sound Blocker Passive Earmuff (Model AL4127) provides reliable, low-profile hearing protection designed to shield your ears from high-decibel sounds. With a certified Noise Reduction Rating (NRR) of 23dB, this over-the-head earmuff offers dependable acoustic defense without the bulk of traditional hearing protectors. Because this is a completely passive device, it requires no batteries, charging, or external power, making it a highly reliable safety accessory for remote Australian outdoor environments, shooting ranges, and home workshops. Built with durable materials, it features a compact, folding design that collapses easily to fit inside a backpack, range bag, or toolbox.

Key Features

23dB Noise Reduction Rating: Offers certified passive hearing protection against loud muzzle blasts, industrial machinery, and power tools.
Fully Passive Design: Requires no batteries or electrical wiring, ensuring constant readiness and zero downtime.
Comfort-Focused Ergonomics: Equipped with plush, cushioned ear cups and a soft, padded headband to prevent pressure points during extended wear.
Ultra-Portable Foldable Frame: The earmuffs collapse down into a compact size, making them easy to pack and transport.
Robust Construction: Engineered with high-quality, rugged materials to withstand demanding outdoor and workshop conditions.

Technical Specifications

Brand: Allen Company

Model Number: AL4127 (also referenced as 4127 or TAC4127)

Noise Reduction Rating (NRR): 23 dB

Safety Certifications: Tested and certified to ANSI S3.19 and CE EN352-2 standards

Power Requirements: None (Fully passive, 100% battery-free)

Fit and Compatibility: Universal adult fit with an adjustable headband

Weight: Shipping weight is approximately 280 grams (0.62 lbs)

Packaged Dimensions: Length is approximately 21.8 cm (8.6 inches)

Who It Is For

The Allen ULTRX Sound Blocker is designed for Australian recreational shooters and hunters who require dependable, low-profile hearing protection at indoor or outdoor gun ranges. It is also highly suitable for DIY enthusiasts, hobbyists, and home renovators operating loud power tools, lawnmowers, or wood-turning machinery. Please note that while this product is certified under international ANSI S3.19 and CE EN352-2 standards, Australian commercial workplaces requiring Class-rated hearing protection under AS/NZS 1270 should check their specific site compliance guidelines. For private, recreational, and agricultural use across Australia, these earmuffs offer an excellent, lightweight, and highly portable safety solution.

SKU	AL38443LP
Model #	AL4127
Brand	Allen
Shipping Weight	1.0000kg

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Allen Al4127 Ultrx Sound Blocker Passive Earmuff 23db Nrr Foldable Black

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