SD-153B Telephone Type RECEIVER
|Rated Voltage||30 mV|
|Operating Voltage||50 mV|
|Sound Output at 10cm (dB)||90 dB|
|Rated Impedance||150 Ohm|
|Frequency Range||300 ~3400Hz.|
E-Sound Electronics Co., Ltd. was first founded in 1989 and became a high-tech company in 1994. Combining R&D and production, E-Sound is specialized in innovation of technology and service in electro-acoustic field.