McMaster-Carr

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	Fit Fit


Over Head	Behind Head

Under Chin

	Noise Reduction Rating Noise Reduction Rating

	Garment Garment

Earmuffs

Face Shield

Hard Hat

	Ear Cup Color Ear Cup Color

	Application Application

Noise Reduction

Electrical Protection

Impact Resistant

Water Resistant

	Headband Material Headband Material

Metal

Plastic

	Specifications Met Specifications Met

ANSI

ANSI/ISEA

	Color Color

	Black
	Orange

	Connection Type Connection Type

USB

Bluetooth

	Batteries Included Batteries Included

Yes

	Power Source Power Source

Battery

Voice

	For Hard Hat Brim Style For Hard Hat Brim Style

Cap

Full

	Button Functions Button Functions

Accept/Reject Incoming Call

Mute/Unmute Microphone

	Cord Length Cord Length

2 1/2 ft.

4 ft.

1 1/2-5ft.

	Material Material

Polyethylene Plastic

Polypropylene Plastic

	Sound Output Sound Output

Dual

Single

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42 Products

About Hearing Protection

Earmuffs and earplugs are rated by the Noise Reduction Rating (NRR) guidelines, which are enforced by OSHA.

Earmuffs should be worn with the specified fit to offer proper protection and noise reduction.

You can wear Style C earmuffs over the head, behind the head, and under the chin.

Style A—Over Head Fit

Earmuffs
	Ear Cup								Replacement Cushions
Noise Reduction Rating, dB	Material	Color	Ear Cushion Material	Headband Material	Features	Specifications Met		Each		Pair
21	Plastic	Beige	Foam	Metal	Adjustable Spring-Wire Headband	ANSI S3.19	000000	000000	000000	000000
25	Plastic	Yellow	Foam	Metal	Adjustable Spring-Wire Headband	ANSI S3.19	000000	00000	0000000	00000
27	Plastic	Dark Green	Foam	Metal	Adjustable Spring-Wire Headband	ANSI S3.19	000000	00000	000000	00000
30	Plastic	Black	Foam	Metal	Adjustable Spring-Wire Headband	ANSI S3.19	000000	00000	000000	00000

Style B—Behind Head Fit

Earmuffs
	Ear Cup								Replacement Cushions
Noise Reduction Rating, dB	Material	Color	Ear Cushion Material	Headband Material	Features	Specifications Met		Each		Pair
29	Plastic	Black	Foam	Metal	Adjustable Spring-Wire Headband	ANSI S3.19	000000	000000	000000	000000

Style C—Three Fit

C (Three Fit Options)

Earmuffs
	Ear Cup								Replacement Cushions
Fit (Noise Reduction Rating)	Material	Color	Ear Cushion Material	Headband Material	Features	Specifications Met		Each		Pair
Over Head (24 dB), Behind Head (23 dB), Under Chin (23 dB)	Plastic	Red	Foam	Plastic	Adjustable Headband	ANSI S3.19	00000000	00000	00000000	00000
Over Head (25 dB), Behind Head (26 dB), Under Chin (25 dB)	Plastic	Red	Foam	Plastic	Adjustable Headband	ANSI S3.19	00000000	00000	000000	00
								Each		Each
Over Head (25 dB), Behind Head (26 dB), Under Chin (26 dB)	Plastic	Black	Foam	Plastic	Adjustable Headband	ANSI S3.19	00000000	00000	00000000	00000
Over Head (30 dB), Behind Head (28 dB), Under Chin (27 dB)	Plastic	Black	Foam	Plastic	Adjustable Headband	ANSI S3.19	00000000	00000	00000000	00000

Push-to-Hear Earmuffs

Push the button to hear conversation, announcements, and other sounds without taking off your earmuffs. Earmuffs should be worn over the head to offer proper protection and noise reduction.

Earmuffs
	Ear Cup					Battery							Replacement Cushions
Noise Reduction Rating, dB	Material	Color	Push-to-Hear Duration, sec.	Ear Cushion Material	Headband Material	No. Required	Included	Size	Features	Specifications Met		Each		Pair
Over Head Fit
26	Plastic	Black	30	Foam	Metal	1	No	AA	Adjustable Padded Headband	ANSI S3.19	0000000	000000	000000	000000

Fold-Up Earmuffs

Folded

Open

Fold these earmuffs for compact storage that’s less likely to damage them. Earmuffs should be worn over the head to offer proper protection and noise reduction.

Earmuffs
	Ear Cup								Replacement Cushions
Noise Reduction Rating, dB	Material	Color	Ear Cushion Material	Headband Material	Features	Specifications Met		Each		Pair
Over Head Fit
21	Plastic	Beige	Foam	Metal	Adjustable Spring-Wire Headband	ANSI S3.19	000000	000000	000000	000000

Bluetooth Earmuffs

Stay connected while protecting your ears in noisy locations. Listen to music or make phone calls using a Bluetooth-enabled smartphone up to 30 feet away. Button controls let you perform commands such as powering on/off, pausing or skipping a song, and accepting or rejecting an incoming call. Adjust the volume with a turn of the knob. The boom microphone includes a foam cover for voice clarity in loud environments. To ensure a comfortable fit, the headband is padded and adjustable. Earmuffs should be worn over the head to offer proper protection and noise reduction. The built-in, rechargeable lithium ion (Li-Ion) battery provides approximately 12 hours of continuous streaming. Fully recharge the battery in five hours using the included USB cable and wall charger.

Earmuffs
	Ear Cup					Battery							Replacement Cushions
Noise Reduction Rating, dB	Material	Color	Ear Cushion Material	Headband Material	Range, ft.	Included	Life, hrs.	Type	Features	Specifications Met		Each		Pair
Over Head Fit
25	Plastic	Black	Foam	Plastic	30	Yes	12	Rechargeable	Volume Control Knob, Microphone, Adjustable Padded Headband	ANSI S3.19	000000	0000000	000000	000000

Earmuff Clips

Hold a pair of earmuffs on your belt, waistband, or pocket for quick access.

Lg.	Wd.	Material	Color		Each
5 1/4"	1 1/2"	Polypropylene Plastic	Black	0000000	00000

Hard-Hat Mount Earmuffs

Shown with Hard Hat (Sold Separately)

Snap these earmuffs on and off your slotted hard hat (sold separately). Earmuffs should be worn over the head to offer proper protection and noise reduction.

Earmuffs
		Ear Cup							Replacement Cushions
For Hard Hat Brim Style	Noise Reduction Rating, dB	Material	Color	Ear Cushion Material	Features	Specifications Met		Pair		Pair
Over Head Fit
Cap	23	Plastic	Yellow	Foam	Spring-Wire Arms	ANSI S3.19	00000000	000000	0000000	000000
Cap	27	Plastic	Black	Foam	Spring-Wire Arms	ANSI S3.19	0000000	00000	000000	00000
Full	26	Plastic	White	Foam	Spring-Wire Arms	ANSI S3.19	00000000	00000	00000000	00000

Hard Hats with Face Shield and Earmuffs

These hard hats give all-in-one head, face, and ear protection. Lift the face shield and earmuffs when not in use.

Hard hats are Type I, Class E, meaning they protect against blows to the top of the head only and are proof-tested at 20,000 volts. They have a ratchet suspension that adjusts with an easy-turn knob.

						Lens
Color	Number of Suspension Points	Material	Hat Size	Noise Reduction Rating, dB	Ear Cup Color	Ht.	Wd.	Thick.	Material	Color	Includes	Specifications Met		Each
Ratchet Adjustment
Orange	6	Polyethylene Plastic	6-8 5/8	24	Black	8"	15 1/2"	0.040"	Polycarbonate Plastic	Clear	Sweatband	ANSI S3.19, ANSI/ISEA Z87.1+ High-Impact Standards, ANSI/ISEA Z89.1	0000000	000000

Optional Steel Wire Mesh Lens (6 3/4" Ht. × 12" Wd. × 0.011" Thick.)	Each	00000
Replacement Lens	Each	0000
Replacement Face Shield Bracket	Each	00000
Replacement Earmuffs	Each	00000

Headphones

An extra-wide headband and padded ear cushions provide all-day comfort. For more information about NRR ratings, view About Hearing Protection.

Noise Reduction Rating, dB	Color	Stereo Connection Size, mm	End Type	Features		Each
31	Black	3.5	Plug	Extra-Wide Headband, Padded Ear Cushions	0000000	0000000

Radio Headsets with Microphone

For extremely loud environments, these headsets have noise-canceling earmuffs.

Fit	Cord Lg. Max., ft.	Connection Type		Each
Over Head	5	2-Pin Plug (Male)	0000000	0000000

Wired Headset Radios

Over Head Headset

Behind Head Headset

Connect two headsets with an audio cable to transmit sound—your voice powers the radio’s microphone.

Behind-head style can be worn under a hard hat.

Use a wall plate jack to create a fixed system between locations. Plug a radio into the jack and start talking. Any number of jacks may be wired together.

Use a clip adapter to temporarily connect a radio to two wires rather than using a fixed wall plate jack system.

Fit	Power Source	Noise Reduction Rating, dB	Cord Lg., ft.	Connection Type	Headband Material	Ear Cup Material	Ear Cushion Material		Each
Over Head	Voice	16	2 1/2	1/4" Plug (Male)	Metal	Plastic	Foam	0000000	0000000
Behind Head	Voice	19	2 1/2	1/4" Plug (Male)	Metal	Plastic	Foam	0000000	000000

Clip Adapter	Each	000000
Wall Plate Jack	Each	00000
50 ft. Extension Audio Cable — 1/4" Jack (Female) to 1/4" Plug (Male)	Each	000000
100 ft. Audio Cable — 1/4" Jack (Female) to 1/4" Jack (Female)	Each	000000
50 ft. Audio Cable — 1/4" Jack (Female) to 1/4" Jack (Female)	Each	000000
100 ft. Extension Audio Cable — 1/4" Jack (Female) to 1/4" Plug (Male)	Each	000000

Headsets with Microphone

Over Head (Single Output)

Over Head (Dual Output)

Make hands-free calls from your computer, smartphone, or other device. These headsets have a noise-canceling microphone that filters out background noise while you speak. For optimal clarity, bend the microphone’s flexible arm to position it near your mouth. To help you hear clearly, the headphones on these headsets use passive noise cancellation. The headsets also have an in-line call controller for answering and ending calls, changing the audio volume, and muting the microphone. Their padded ear cushions and adjustable headband make them comfortable to wear.

Headsets with single sound output only cover one ear, so you can still hear people talking nearby on your end. They’re useful for relaying messages and instructions.

Single Sound Output
Fit	Cord Length, ft.	Connection Type	Maximum Volume, dB	Stereo Connection Size, mm	End Type	Color	Features		Each
Over Head	4	Pin, USB (Male)	94	3.5	Plug	Black	In-Line Call Controller Noise Canceling Microphone Padded Ear Cushion Passive Noise Cancellation	0000000	000000
Dual Sound Output
Over Head	4	Pin, USB (Male)	94	3.5	Plug	Black	In-Line Call Controller Noise Canceling Microphone Padded Ear Cushions Passive Noise Cancellation	0000000	00000

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