| GENERAL CHARACTERISTICS ITEM DESCRIPTION | DETECTS AUDIO SIGNALS ABOVE 300MV LEVEL, 4 CHANNELS; HIGH INPUT IMPEDANCE TO AUDIO SIGNALS BELOW 300MV, LOW IMPEDANCE TO AUDIO SIGNALS ABOVE 300 MV; DIMENSIONS 9.19IN LG, 4.50IN W, 2.25IN H, OPERATING POWER REQUIREMENT 28VDC |