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Basic Specifications | |
Device Type | Earphones |
Connectivity Technology | Wired |
Connector Type | 3.5 mm |
Cable Length | 1.5 m |
Control | A single button in-line remote with mic lets you make calls that are every bit as crisp and noise-free as the music you listen to on your smartphone |
Headphones Type | Binaural |
Headphones Form Factor | In-Ear |
Audio Output Mode | Stereo |
Headphones Sensitivity | 107.5 dB SPL/V (passive). 115 dB SPL/V (active). |
Headphones Impedance | 32 ohms |
Frequency Response | 12Hz – 24kHz |
Microphone | Yes |
Microphone Form Factor | In Line |
Microphone Operation Mode | Mono |
Microphone Sensitivity | Not Specified by manufacturer |
Noise Cancelation | Active-noise-canceling |
Other Feature | Proprietary closed-loop, active digital noise-cancellation technology analyzes and optimizes the audio signal before it reaches the listener's ears for the most accurate noise cancellation possible. The batteries that power the active noise cancellation in the AKG K391 NC will last for 35 hours at a time. USB recharging eliminates the need for batteries or an extra charger. Closed-back design. |