AKG K390C Noise Canceling In-Ear Earphones

AKG K390NC top-of-the-line earbud model with an active noise-cancelling feature, as well as the best-engineered sound that AKG offers. 

The noise-canceling feature is activated with an in-line box and there is also an in-line microphone for use with mobile phones or computers. The noise-canceling unit does require a battery, but it is possible to listen in "passive mode" without one, with noise-canceling off. 

Features :

• Silicon earcups provide comfort and block out ambient noise 
• Active noise-canceling in-line unit 
• 135 dB SPL/V 22 mW max power input 
• 12Hz - 24kHz frequency response 
• iPhone remote included 
• 50cm cable 
• Adaptable gold-plated jack/contacts 
• Ideal for portable media players and phones 
• In-line microphone 
• Flight adapter 
• Includes carrying case