| Model
No. |
Products Picture |
Key
Specification |
| TH-423
|  | Back-
Wear Type Headset for Tele- communications. Receiver:150Ω
30mW 112dB 300Hz- 4KHz
Microphone:-62dB
[ 2V, 2.2KΩ ]0dB=1V/
µbar, 1KHz Cable:180CM
coiled cable with 4P4C plug Weight::70g
|
| TH-881A |  | Receiver:150Ω
50mW 110dB 300Hz- 4KHz
Microphone:-62dB
[ 2V, 2.2KΩ ]0dB=1V/
µbar, 1KHz Cable:300CM
coiled cable with 4P4C plug Weight::120g |
| TH-887C |  | Receiver:150Ω
30mW 96dB 300Hz- 4KHz
Microphone:-62dB
[ 2V, 2.2KΩ ]0dB=1V/
µbar, 1KHz Cable:300CM
coiled cable with 4P4C plug Weight::90g |