JVC HA-FX67 Special technology for HA-NC250, Dual housing structure, Standard noise cancelling

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Special technology for HA-NC250

Sound-insulating ear pads

Soft memory foam cushions

with extremely smooth surface

ear pads that fit exactly on

Technology

your ears create a seal to

block background noise.

to block

 

noise

 

Dual housing structure

Dual acoustic wall blocks incoming background noise.

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Equipped with advanced noise cancellation technology

Advanced noise cancelling with “feedback technology”

Standard noise cancelling

Technology to reduce noise

Even after reducing background noise, some will remain.

A microphone close to the driver unit picks up such remaining noise and the feedback circuit produces the appropriate amount of additional anti-phase sound. Every nuance of audio becomes clear through this feedback technology.

 

Microphone

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

An additional amount of

 

 

 

 

 

 

 

anti-phase sound is added to

 

 

Detected

reduce noise; the microphone

 

 

monitors noise continuously.

Anti-phase sound is

noise

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Remaining noise is

added to reduce

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

almost eliminated.

noise; however

 

 

 

 

 

 

 

 

Reduced

noise

 

the microphone

 

 

 

 

 

 

 

 

 

 

picks up

 

 

 

 

 

 

neighbouring noise.

 

 

 

 

 

 

Add anti-phase sound to reduce noise

Microphone

Detected noise

Reduced noise

Noise wave

Anti-phase wave

Noise wave

Anti-phase wave

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Contents Accessory Lineup Accessory Lineup Gold-plated iPhone-compatible slim plug HA-F140Colourful headphones New GumyPowerful 11mm Neodymium driver unit HA-F240Colourful headphones New Gumy AirNo fall-out design AIR FIT soft bodyHA-FX20Colourful headphones HA-FX35Colourful headphones New Marshmallow Please refer to HA-FX67Colourful headphones New AIR FITColour selection Gold-plated iPhone-compatible plugTartan check / Zebra HA-FXP3Colourful headphones Designed for FashionistaWhich controls movement of the diaphragm please refer to Diaphragms used in the HA-FX1000 reproduce natural soundØ16mm Bi-METAL structureHigh-grade in-ear canal headphones with Bi-METAL structure HA-FX300In-ear canal headphones Bi-METALHA-SX500In-ear canal headphones Bi-METAL HA-FXC50 In-ear canal headphones MICRO-HDSoft rubber cushion MICRO-HD driver unitMICRO-HD driver unit OFC cordHA-F75VIn-ear headphones In-ear headphones with carrying case HA-F10CIn-ear headphonesHA-EB75Sports ear clip headphones Powerful 11mm Neodymium driver unit Sports in-ear clip headphonesSplash-proof ideal for exercise and fitness activities Comfortable fit with 3 sizes of silicon earpieces85% HA-NC250Noise cancelling headphonesDual housing structure Standard noise cancellingSpecial technology for HA-NC250 Noise cancelling headphones Foldable, compact design92ft 1.5m tangle-resist cord HA-NCX78Noise cancelling headphones 50h long battery lifeMulti noise-reduction system HA-KX100Stereo headset for iPhone Over-the-ear cord style for friction noise reduction Microphone switch also provides music playbackDetachable soft ear loop for secure over-the-ear cord style Soft silicon rubber earpiecesHA-F145Mobile phone ready in-ear headphones Powerful 13.5mm Neodymium driver unit30ft 0.7m black extension cord included Flat foldable design HA-S155Mobile phone ready lightweight headphonesBlack Series Black series headphonesHA-M750 Black series headphones HA-S650 Black series headphones HA-FXC80 HA-S900 On-the-ear lightweight headphonesRing Port Structure Ring port structureHigh-quality portable headphones with 3-way foldable design HA-S360Lightweight headphonesHA-S150Lightweight headphones Flats Comfortable headphones with sound limiter for children HA-KD10Kids headphones with sound limiterHA-RX900Full-size headphones HA-RX700Full-size headphones High-quality full-size headphones HA-RX500Full-size headphonesHA-RX300Full-size headphones Full-size headphones entry model HA-G101Full-size headphonesSP-A120Portable speaker Hdmi cable VX-HD115N/HD130N/HD315N