N4

Medium Attenuation Ear Defender

Product Features

SNR 32dB
Lower profile cup design
Large ear cushions allow freedom to fit majority of ears for a comfortable fit
Easy on head adjustment thanks to soft adjustable strap
Low pressure but high performance neck band ear defender
Stylish green and black design
Quality gloss finish for easy maintenance
Full integration with other PPE

Aerospace Facilities Management Construction Food Production Highways and Infrastructure Manufacturing Oil and Gas

Aircraft and Airfield Operations Highway Repairs and Maintenance Working in Extreme Temperatures Bottling and Canning Craft and Hobbies Food Preparation and Handling Drilling and Boring Fossil Fuel Extraction and Refining Woodwork and Fabrication General Maintenance Metal Forging and Processing

Further Information

A high performance, comfortable ear defender without the weight, N4 features large, soft ear cushions and a low profile adjustable head strap for wear with helmets. The N4 model is fully adjustable to provide a superior fit for most head sizes.

SNR

Overall dB	32
High dB	35
Medium dB	30
Low dB	22

Certifications

EN 352-1:2002	✓

Product Specifics

Clip Material	ABS
Cup Material	ABS, Foam
Cup Cushion Material	Foam, PVC
Headband Cushion Material	Nylon
Ring Material	ABS
Wire Material	Stainless Steel

Selected Option Specifics

SKU	HMN/ALP/SOTAN4
Main Colour	Green
Secondary Colour	Black

Ordering information

Case Quantity	20

Packaging

Unit Height	115mm
Unit Length	210mm
Unit Width	150mm
Weight	283g
Case height	32cm
Case length	35cm
Case width	66cm
Case weight	6.77kg

Frequencies Protection

Frequency (HZ)	125 Hz	250 Hz	500 Hz	1000 Hz	2000 Hz	4000 Hz	8000 Hz
Mean Attenuation	18.1	21.1	31.4	37.7	35.9	38.4	39.4
Standard Deviation	3.2	1.8	1.8	3.2	2.9	3.3	2.7
Assumed Protection	15	19.3	29.5	34.5	33	35	36.7

Cleaning

This product can be adversely affected by certain chemical substances. Additional information should be obtained by the manufacturer. Please do not clean with any chemicals. The ear defenders can be cleaned using a cloth which has been moistened using warm soap water. Allow to dry before reuse. Do not use any abrasive brushes or other materials which could damage the insulating lining or seals. Do not immerse the ear defenders in water. Only use cleaning agents which do not adversley affect the user.

Storage

Before use, always keep the ear defender in its original packaging and in a dry, clean, uncontaminated environment. To avoid potential damage, ensure the earpiece pads are not pressed together during storage.

Recommendations for Use

Refer to manufacturer instructions before wear. Cup type ear defenders and especially the ear cushions can wear by even normal use and should be frequently inspected for signs of and cracks. Replace the ear cushions if necessary but at least every 6 months. The old sealing pads can be pulled off and the replacements carefully attached to the ear cups in the correct position. The cup foam inlays also should be replaced on a regular basis. (recommended every 6 months). The headband should not be bent or adjusted if not necessary in order to provide the tension required for the optimal performance of the hearing protector.