AC & 24V DC Operation
6 Mic & 2 Aux Inputs.
Pre-Amplifier and Line Output for connecting to a Booster Amplifier and for recording the program
Line Input for connecting the output from any external mixer or permitting SSA-250EM to be used as a Booster Power Amplifier.
Re-settable circuit breaker for protection against overload and short circuit.
Instant transfer to DC power (Car Battery) if AC power fails.
Box Speaker/Driver Unit selector switch. Bass boost defeated at Driver Unit position for safer operation of driver units.