"High Performance Communication" ref HEL770K  '''PROFESSIONAL quality!!! '''NAUZER quality !!! HEL770K NAUZER PTT/VOX helmet type micro-speaker (headband) Headband micro-earphone with VOX and PTT system. Ergonomic headband with ear cushion. Specially designed for use in offices, warehouse, etc. Employs "CSP SOUND" technology. * VOX Hands Free System COMPATIBLE WITH KENWOOD, PUNXIN, WOUXUN:
KG816, 819, 639, 659, 669, 679, 689, 699, 703, 833, KGUVD1P, PX359, PX888, PX58/28, PX666, PX777, PX628, PX555, PX999, PX328, PX728, PX333, PXV63 ,TK272G,372G,3130,3131,220,320,240,340,240D,340D,TK208,308,430,431,250,350,353,TK260,270,260G,360G,360,370,270G,348G , 2100, 3100, 2160, 3160, 3101, 3102, 3201,3301,XL2102, etc.
Discreet, manageable PTT (push-to-talk) micro-headset, equipped with a high-quality microphone capsule. Reinforced cables to ensure greater durability.   It has a VOX function for activation without the need to press any button.   The earmuff is padded for maximum comfort.   It can be placed in both the left and right ear since it is fully adjustable as can be seen in the following images:   |
| Microphone Measurement: 9, 0 / 6, 7 mm.
Frequency: 20-16000Hz
Sensitivity: -36dB
Impedance: 2.2K ohms Speaker Measurements: 30mm
Sound level: 91dB
Impedance: 32 ohms
Audio: 1W COMPATIBLE WITH KENWOOD, PUNXIN, WOUXUN:
KG816, 819, 639, 659, 669, 679, 689, 699, 703, 833, KGUVD1P, PX359, PX888, PX58/28, PX666, PX777, PX628, PX555, PX999, PX328, PX728, PX333, PXV63 ,TK272G,372G,3130,3131,220,320,240,340,240D,340D,TK208,308,430,431,250,350,353,TK260,270,260G,360G,360,370,270G,348G , 2100, 3100, 2160, 3160, 3101, 3102, 3201,3301,XL2102, etc. |
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