Panamax MOD-SPKP Module, Speakers, Keypads, CCTV Power Lines Product Details For Outdoor Speakers, Keypads and Control Lines Features Equipment lines that lead outside the building are pathways for surges (sometimes called backdoor surges) to enter the equipment. The MOD-SPKP is designed to protect outdoor speaker, keypad, control and security wires (8 wires or 4 pairs). Specifications Mounting Hardware Included: Yes ProtectionWires Protected: 8Wire Size: 12 AEG Max.Screw Terminals: Compatible w/ 12 Gauge WirePower Handling Capacity for Outdoor Speakers: 225 Watts per Channel for 4 Ohm SpeakersPer Wire Capacity: 7 AmpModes Protected: All Terminals to GroundConnectors: 8 Wire Screw TerminalsClamping Level: 47V (30Vrms max to the speaker output)112 Watts per Channel for 8 Ohm Speakers Downloads User Manual