Millennia AOO-316 - 8-Channel Analog Output Option for HV-316The AOO Analog Output Option card provides 8 channels of HV 3 balanced output stages, effectively identical to HV 3C, HV 3D, etc. The AOO takes a direct balanced signal feed from the analog gain stage of each HV 316 mic preamp there is no ADC or DAC in the analog output path. Analog outputs are terminated on a 25 pin sub D connector using the AES59 Tascam balanced format standard. The AOO card is a factory installed option.