Aud A Level, models 1102 & 1100, are audible recording level indicators designed for use by individuals who are blind or have low vision. The devices connect to the monitor jack of recording equipment. A small speaker produces a tone if the volume level of the recording exceeds the proper level. Pitch of tone is proportional to the degree volume exceeds proper level; varying pitch level allows rapid adjustment of equipment. Time can be read to 2 second accuracy for broadcast and other precis