This is a listen only acoustic curly tube earpiece suitable for radios with a 2.5mm or 3.5mm receive socket.
They can also be used on radios that have a side contact plate for accessories with a suitable audio adaptor.
Please order adaptor as a separate item.
Impedance: 110 ± 15%
Power Rating: Normal 1.0W
Cable Diameter: Ø3.8, 2.5(mm)
Cable Length: 90cm