16 Channel microphone Interface Box. The SMI-16 from ETS is a 16 channel microphone Interface Box. Powers up to 16 ETS SM1 series microphones and distributes their audio outputs to individual RCA (or optional 3.5mm) jacks. Designed for connecting SM1 series microphones to equipment with un-balanced, line level inputs. Ideal for use with DRVs, remote monitoring equipment and multiple CCTV monitors (with built in speakers).
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