KK... capsule heads are part of the variable miniature microphone system. Together with the KM D (nx) or KM A (nx) output stages, the KK... capsule heads form a complete microphone. KK 184 (nx) + KM D (nx) = KM 184 D (nx) or KK 184 (nx) + KM A (nx) = KM 184 A (nx).
KK 131 is a free-field equalized pressure transducer. The sensitivity in the free sound field is flat up to 20 kHz. In the diffuse sound field there is a roll-off above 5 kHz.
Studio Quality Sound Experience From Elegant and Understated Design Denon’s Music Maniac™ AH-C50MABK In-Ear Headphones feature 9mm drivers professionally tuned to a Flat EQ to deliver an acoustically transparent music experience. The AH-C50MABK In-Ear Headphones also feature an in-line 1-button remote and microphone for easy control of select Android and Apple devices and other smartphones*, as well as clear phone conversations and voice recognition operations.