Preamplifier OBT-8020

2U standard 19-inch rack-mounted structure, black alumina brushed panel, user-friendly handle, advanced titanium polishing process, showing high-grade temperament;

★10 channels of input, of which 5 channels of microphone, panel microphone MIC1 is a first-class priority, automatic silent;

Backplane 4-way microphone MIC2-5 input, synchronized output with background music;

3-way AUX1-3 background music signal input, which can adjust the input volume separately;

★ 2-way EMC1-2 strong cut alarm siren signal input, priority function, realize fire linkage;

Independent volume adjustment, unified high and low tone adjustment.