Clear-Com EF-701M Interface 100209785 the e904 provides great sound

the e904 provides great sound without getting in the way in even the most crowded setups

the pack is quick and easy to set up

RCF Protective Cover for HD15/HD35/HD45 Speakers

45 in / 49

surround is pure butyl rubber

Clear-Com EF-701M Interface 100209785 the e904 provides great soundClear Com EF 701M Interface 4 Wire Interface with Call Signal, Matrix to Partyline The EF 701M interface converts a single channel of standard or TW partyline intercom to four wire audio, while also converting call signals to RS 422 data (and back). The resulting four wire audio plus RS 422 data can then be sent to a Clear Com Matrix port, fiber optic converter (modem) or connected to another EF 701M over twisted pair cable such as CAT 5E.