The AA23-001 is a versatile speaker amplifier that can be used to convert balanced 600 ohm line, 600 ohm headset, or carbon-equivalent microphone levels to speaker outputs. The interface to the AA23 is fully floating (transformer coupled), permitting complex and long distance interconnects and providing outstanding rejection of ground loop signals. The speaker output is ground referenced.

• Accepts Mic., 600 ohm line and H/S inputs, with floating interface
• Muted or partially muted outputs
• Dual PTT key logic inputs and outputs
• Selectable frequency response, Voice or Music
• Adjustable gain