. ) ) )Model:
) )Brand:
) )Origin:
)France)Unit price:
)
/ )Minimum order quantity:
) . )
.
). ) ) . )
Over-ear headphones completely seal the wearer's ears. This provides passive noise isolation and noise cancellation circuitry so that the electronics can perform better.
port or battery, which must be replaced or recharged occasionally . Unpowered headphones function just like a regular headphone, without active noise cancellation, or anything like that.
When
) items
. ) br/> . ) br/> . ) External components
. ) Small
. ) More
. ) Current consumption
. ) Less than
. ) Greater than< br/> . ) Operating voltage
. ) .br/> . ) ~
. ) Easy to adjust
. ) Easy
. ) Easy
. ) Microphone amplifier
. ) Built-in
. ) No
. ) Delivery time
. )
. ) More than
) ) ) )
NC4418 chip SYNOXO