Electromagnetic 300ohm Submarine Telephone Receiver

Electromagnetic 300ohm Submarine Telephone Receiver" is a special device designed for submarine communication, mainly used for stable and clear telephone communication in underwater environment. This type of receiver plays a vital role in modern marine communication and submarine communication systems. K-3 1.Aluminum material. 2.300ohm,112dB electromagnetic telephone receiver. 3.China professional electroacoustic manufacturer with 50 years history. 4.Performance can be adjusted. 5.High quality. 6.Used in submarine and other special enviroment. Product Features *Brand Huasheng *Part number K-3 *Dimension 46.5*19.5mm *Impedance 300ohm+/-20% at 1KHz…

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