The SP-5 Common Line Intercom System provides All-to-All communication between a specified number of microphone stations without priority.

Any station pressing the TALK button and speaking via the microphone will be heard in all other loudspeakers (your own loudspeaker is disconnected). The amplifier rack is for installation indoors while the microphone stations and loudspeakers are weatherproof and rugged for outdoor use. Amplifiers 120, 240 and 400W are available.

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Express Marine Electronics Co. Ltd.


Unit 2, 23/F., Man Shing Ind. Bldg.,
307-311 Castle Peak Road,
Kwai Chung, Hong Kong

香港 葵涌 青山公路307-311號
萬勝工業大廈 23樓 2室