Audio Authority Access EZ Model 940X - 2-Channel High Level Expander

Audio Authority Access 932X Speaker Level Audio Expander Module

Audio Authority 932 Speaker Module

AUDIO AUTHORITY MODEL 1820 + 12 Easy Plug Demo Buttons RJ9

Audio Authority Audio Amplifier Model 1643-1N

UNTESTED: Audio Authority Access EZ Model 932 - Speaker Selector Module

Audio Authority Access EZ Model 942 - Amplifier Selector Module

Audio Authority Access EZ Model 922- Low Level Selector Module