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We Aim To Protect Your Ears!

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           Specialthing International Co, Ltd

HP-40K

Model:

HP-40K

Description:

Professional AM/FM Headphone Radio

Design:

Over-the-head

Type of Use:

Hearing Protector

Frequency:

AM 540-1700   FM 88-108

Power Supply:

DC 3V UM 3 x 2

Ear Cups:

Closed, Dynamic

International Standard

RoHS, FCC, EMC

 

Packing:

 

Unit Dimension:

158(L) x 98(W) x 180(H) mm

Unit Packaging:              

One piece in a Printed Gift Box with a Bubble Bag Protected

Packing:

52.4(L) x 36.2(W) x 42.2(H) cm    30 pcs/ctn

 

N W  13.6 kgs;

G W  14.8 kgs

 

2.816 ft;

0.08 cbm

20’ Ctnr Load:

10,500 pcs

Min Order Qty:

3,000 pcs

 

Features:

 

*  Superb New Design

*  Comfortable Earpads

*  Adjustable Headband

*  State of the Art AM/FM Headphone Radio

*  Rotary Volume and Tuning Controls

*  Folding Earpieces make the Item Compact

*  Operated by Two “AA” Sized Batteries (not included)

*  Equipped by Short Flexible Antenna

*  Offers Protection and Great Sound for all Race Enthusiasts

*  Can act as a Hearing Protecting Equipment

*  Protection on Hearing when Working in Noisy Environment

*  Receiving Radio Broadcasting

*  Protection of Ear against Cold Environment

Color: Yellow/Black, Red/Black and Blue/Black

Remarks: HP-40K Stereo Version is also Available upon Request

 

Sound Attenuation:

 

H

M

L

SNR

NRR

29.0

21.0

14.0

25.0

18.0

 

Frequency Hz

125

250

500

1000

2000

3150

4000

6300

8000

Mean attenuation (dB)

10.6

14.1

21.6

29.1

31.2

34.3

37.5

42.0

40.0

St.dev. (dB)

2.4

2.3

2.3

3.5

3.7

4.0

3.2

3.8

4.0

APV (84%)

8.1

11.8

19.3

25.5

27.5

30.3

34.3

38.2

36.0