Focusrite Scarlett OctoPre Mic Preamp 100747646 closed headset is a standard

closed headset is a standard for intercom

In addition to the above

Eliminate the prospect of any tampering with these tough security covers

foam backing (grille cloth backing on white units)

Focusrite Scarlett OctoPre Mic Preamp 100747646 closed headset is a standardFocusrite Scarlett OctoPre Eight channel Mic Preamp with ADAT Connectivity Multi channel microphone pre expansion with eight 2nd generation Scarlett mic preamps, eight balanced line inputs and two instrument inputs, with precision Focusrite A D conversion at up to 192 kHz sample rate. Features: Scarlett OctoPre features eight 2nd Generation Scarlett mic inputs balanced line inputs too all running through Focusrite precision 24 bit conversion at up to