Headphones and headsets: Hama HK-231 (56231)

Brand history

Hama HK-231 (56231)

headphones, miscellaneous, registration open, 20-20000 Hz, 32 Ohms, cable 7.5 m, Jack plug 3.5 mm and 6.3 mm, volume control

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General information (Hama HK-231 (56231))
Release date on the market	2012
Main (Hama HK-231 (56231))
Type	headphones
Design	miscellaneous
Acoustic design	open
Wireless interface
Design features (Hama HK-231 (56231))
Foldable design
Cable length	7.5 m
Surround sound
Plug	3.5mm i 6.3mm
Volume control
Specifications (Hama HK-231 (56231))
The lower boundary frequent. range	20 Hz
The upper border is frequent. range	20 000 Hz
Nominal impedance	32 Ohm
Sensitivity	90 dB/mW
Detachable cable
The active noise cancellation

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