HelixNet 4-Wire Module
Details
The HLI-4W2 Interface Module provides an easy way to interface common four-wire audio paths such as matrix ports, cameras, and telephone circuits with a HelixNet Main Station. Each of the two ports employ both transformer and electrical balancing to ensure incoming and outgoing audio paths are free of hum and noise.
HelixNet_Partyline_Brochure_(English)_89897_File_1.pdf
HelixNet_Partyline_Product_Guide_89897_File_5.pdf
HLI-4W2_HelixNet_4-Wire_Module_Datasheet_89901_File_6.pdf
HelixNet_Partyline_Quick_Start_Guide_89897_File_4.pdf
Quick_Start_Guide_v1.1_89901_File_2.pdf
HelixNet_Partyline_Product_Manual_89897_File_2.pdf
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HelixNet 4-Wire Module How would you rate this product?
Please fix above errors. 
Service was great! Got a response to my question within 24 hours (next business day).
5 / 5
Customer support assisted me with a quest about rated amperage and this being a tax exempt purchase. Very helpful.
5 / 5
checkout was messy - shipping pricy...
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