Protection: Limiter threshold at onset of clipping
Power indicator: Front mounted green LED in active mode, "when signal is present or on initial power up". Green LED turns to red if signal is not present for more than two minutes indicating stand-by mode. The sub turns "auto on" when signal is re-introduced.
AC Power Requirement: 110/120 VAC 50/60 Hz or 220/240 VAC 50/60 Hz
Power Consumption: 16 Watts at idle, 150 Watts at rated power