I have an open but never used panamax 5500 $550 shipped or Best offer FEATURES Tri-Power Filtration System Four AC outlets are for digital source components and are completely isolated from the rest of the system. Four more outlets use separate “balanced double L filtration circuits to eliminate EMI/RFI noise. Two delayed turn-on outlets provide clean, filtered power without limiting the current available to the connected equipment. SurgeGate Plus™ Circuitry A Power monitoring system that acts as a gate to prevent unsafe voltages from damaging sensitive electronic equipment. It automatically detects a prolonged over or undervoltage condition and disconnects the power to equipment, then reconnects it when the power returns to a safe level. automatically detects a prolonged over or undervoltage condition and disconnects the power to equipment, then reconnects it when the SignalPerfect™ Technology For 4 coaxial (2 satellite TV & 2 off-air/cable TV) lines and 1 pay-per-view telephone line provides optimized, application specific protection against signal line surges. Protect or Disconnect™ Technology Protection circuitry for catastrophic surges. Convenience Features Detachable gooseneck lamp with dimmer control provides lighting for A/V equipment. DC Voltage trigger input and pass-through output for initiating a start-up/shut-down sequence. Backlit, analog Voltmeter and Ammeter indicates line voltage and current draw. On/Off, dimmer control on front panel.