ACC-AAM25 • 25 watt, 25 VRMS audio amplifier module. • Field-programmable for system expansion to 50 watts or as a backup to the primary 25 watt amplifier where required. • Provides single Class A or Class B speaker circuit. • Utilizes plug-in-style terminal blocks for ease of service and maintenance. • Fully supervised and power-limited. • Diagnostic LEDs include: yellow “trouble” LED (cable fault, amp fault) and green “amp functional” LED.