Helmet-mounted ear defenders with 26dB SNR attenuation, fully metal free construction, and colour-coded cups for quick identification. Clips onto Portwest Endurance and Height Endurance helmets. Adjustable dual pin system for a secure, comfortable fit.
The Portwest PW04 clip-on ear defenders are designed for workers who need reliable hearing protection without removing their helmet. These HV Extreme defenders clip directly onto Portwest Endurance and Height Endurance helmets, giving you medium attenuation hearing protection that stays in place on site. If you have been looking for pw04 ear defenders clip-on that work properly with your existing helmet setup, these are the ones to go for.
The 26dB SNR rating puts them firmly in the medium attenuation bracket, which covers a wide range of noisy environments, from drilling and grinding to busy construction sites and manufacturing areas. Not every job needs the maximum rating, and using overly high attenuation in situations that do not call for it can actually cause its own problems by making it harder to communicate or hear warning signals. Medium is often exactly right.
One of the more practical features here is the 100% metal-free construction. The arms are plastic throughout, which matters if you are working in environments where non-conductive PPE is required, such as around live electrical installations or in certain industrial settings. No metal means no conductivity risk, and no headaches during compliance checks.
PW04 Clip-On Ear Defenders in Use
The dual pin adjustment system lets you set the position of the cups so they sit properly over your ears regardless of head shape. Once fitted, the defenders can also be swung back out of the way when noise levels drop, which is a detail that sounds minor until you are going in and out of a noisy area every few minutes. Having to take the whole helmet off each time gets old fast.
The colour-coded cups make identification easy on busy sites where multiple attenuation levels might be in use. Grey and yellow colouring also adds to the high-visibility element, which is never a bad thing when there is machinery nearby. CE certified to CAT III, so they meet the requirements for serious noise hazards rather than just token compliance.
Pro Tip: When clipping these onto your helmet, run through the full range of the dual pin adjustment before your first wear and lock them at a position where the cups create an even seal all the way around your ears, a gap even on one side will cost you several dB of effective attenuation.
These clip-on ear defenders are used across construction, utilities, manufacturing and civil engineering wherever helmet use is already mandatory. They suit any trade that involves intermittent noise exposure, since the cups can be repositioned without removing the helmet. Electricians and other trades requiring non-conductive PPE will particularly value the metal-free design. Scaffolders, groundworkers, roofers and general site operatives working around powered equipment will find the medium attenuation level covers most day-to-day noise hazards comfortably.
Best For
Construction and civil engineering sites
Manufacturing and industrial environments
Utilities and electrical work requiring non-conductive PPE
Intermittent noise exposure with frequent repositioning
Not suitable for: Not compatible with non-Portwest helmets or helmets without the correct clip-on attachment points. Not suitable for environments requiring high attenuation above 26dB SNR, such as prolonged exposure to very high-intensity noise from jet engines or heavy forging equipment.
Attach the defenders to your Portwest Endurance or Height Endurance helmet using the clip-on arms, then use the dual pin system to adjust the cup position until you get a firm, even seal against both ears. When moving into quieter areas, swing the cups back rather than removing them entirely, they are designed to sit out of the way without needing to come off the helmet.
Confirm your helmet is a compatible Portwest Endurance or Height Endurance model before fitting
Attach each arm to the helmet clip points until they click securely into place
Use the dual pin adjustment system to set the cup height so they sit level with your ears
Press the cups gently against your ears to check for an even seal all the way around
Adjust positioning further if any gaps are felt, particularly at the top or bottom of the cup
Swing cups back out of the way when entering quieter areas, then swing forward again before re-entering noisy zones
Will the PW04 clip-on ear defenders fit any hard hat?
No. These are designed specifically for Portwest Endurance and Height Endurance helmets, which have the correct attachment points for the clip-on arms. They will not fit helmets from other manufacturers or Portwest helmets outside that range.
Are these suitable for electrical work where non-conductive PPE is required?
Yes. The PW04 is 100% metal free, with plastic arms throughout, so they meet non-conductive PPE requirements and are safe for use around live electrical installations where metal PPE components would be a hazard.
The PW04 is constructed from ABS plastic, Polyoxymethylene (POM) and Mono PU foam, with no metal components anywhere in the assembly. The ear cups deliver an SNR of 26dB, placing them in the medium attenuation category under EN352. CE certified to CAT III, which is the classification for PPE protecting against serious or irreversible risk, confirming these are not token-level protection.
SKU
PW04GYR
SNR Attenuation
26dB
Attenuation Level
Medium
Construction
100% Metal Free
Materials
ABS, Mono PU, Polyoxymethylene, Foam
Colour
Grey / Yellow
Certification
CE CAT III
Compatible Helmets
Portwest Endurance, Portwest Height Endurance
Attachment Type
Clip-On
Reviews
There are no reviews yet.
Be the first to review “PW04 – HV Extreme Ear Defenders Medium Clip-On Metal Free”Cancel Reply
Reviews
There are no reviews yet.