JVC HANC250 Leaflet

•  You can listen to the audio source even if you do not turn on the headphones, but 

the noise-canceling function will not work. 

•  When using the headphones only for noise reduction, you do not need to connect 

the supplied cord.

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© 2007 Victor Company of Japan, Limited

Printed in China

LNT0087-001A

•  Do not disassemble or modify the headphones.
•  Do not allow inflammable, water or metallic objects to enter the headphones.
•  If you find skin problems where the headphones are in contact with your skin, stop 

using the headphones; otherwise, it may cause further inflammation or irritation of 
the skin.

•  When the air is dry such as in winter, you may feel a static shock when using the 

headphones.

•  If you get sick while using the headphones, stop using them right away.
•  Be sure that your hair or any other objects do not get caught in the headband slider 

(adjuster) when adjusting the headband.

•  in places subject to excessive humidity or dust
•  in places subject to extremely high (over 40°C or 104°F) or low  (under 0°C or 32°F) 

temperatures

•  exposed to direct sunlight
•  near a heater

•  allow them to get wet
•  shake them or drop them onto hard objects

☐ Be careful not to apply power that exceeds the headphones’ input capacity. This may 

result in sound distortion and could damage the oscillation board.

☐  Grasp and pull the plug itself to disconnect the headphones. Do not pull  out using the cord.
☐ When using the headphones near a cellular phone, noise may occur. Keep the headphones 

away from the cellular phone.

☐ The ear pads will wear out earlier than the other parts, even in normal use or in normal 

storage due to the characteristics of the material used.

☐ When covering the headphones with an object, the noise-canceling function may not 

work well or a howling noise may occur. In this case, take off the object which is covering 
the headphones.

  The battery should be changed when the operation indicator fades or does not turn on. 

The noise-canceling function becomes less effective as the battery wears down so be sure 
to replace the battery as necessary to maintain the proper performance of the headphones.

•  Be sure to insert the battery with the positive 

ª and negative · polarities correctly 

positioned.

•  Do not heat, disassemble or short-circuit battery and never dispose of it by throwing it 

in a fire.

•  Read the caution on the battery before use.
•  Be sure not to change the battery in a place where there is a lot of dust.
•  Be sure to remove the battery if you are not going to use the headphones for a long time.

Thank you for purchasing this JVC product.
Before you begin operating this unit, please read the operating instructions carefully to be sure you get the best possible performance.
If you have any questions, consult your JVC dealer.

Right housing 

8 Hz – 24, 000 Hz (power — ON)

More than 16.5 dB at 150 Hz

102 dB/1 mW (power — ON)
100 dB/1 mW (power — OFF)

40 Ω (power — ON), 96 Ω (power — OFF)

ϕ40 mm

AAA battery (DC 1.5 V) x 1

Approx. 20 hours* (using Manganese AAA battery)
Approx. 50 hours* (using Alkaline AAA battery)
*  Varies depending on operating conditions.
*  Without ambient noise.

1.2 m (3.9 ft) (detachable)

150 g (5.30 oz) (incl. battery)
140 g (4.94 oz) (excl. battery)

Carrying case x 1, Manganese AAA battery (R03) x 1,
Cord**x 1, Dual plug adapter (for in-flight use) x 1,
Stereo phone plug adapter 6.3 mm (1/4 inch) x 1

•  Designs and specifications are subject to change without notice.

Insert the 

· end first, 

then push the battery in. 

The active noise-canceling function does not reduce high frequency noise. It cancels 
out noise which mainly consists of low frequencies, such as that from vehicles, air 
conditioners, etc.

Put off the earpad.

Operation indicator

Power switch

Push

•  Do not play your personal audio at a high volume. Hearing experts advise against 

continuous extended play.

•  If you experience a ringing in your ears, reduce volume or discontinue use.

•  Do not use while operating a motorized vehicle. It may create a traffic hazard and is 

illegal in many areas.

•  You should use extreme caution or temporarily discontinue use in potentially 

hazardous situations.

•  Even though your headphones are of the open-air type designed to let you hear outside 

sounds, don’t turn up the volume so high that you can’t hear what’s around you.

Misuse of the battery could result in leakage. This could cause a fire or an 
explosion. To prevent this, pay special attention to the following points:

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07.6.21   10:15:10 AM