Pre-amplify low-level audio to remote sites with the VCV1094A Page Port PreAmp / Expander. This device provides virtually unlimited expansion for any system supporting up to 150 one-way speakers per unit. With a master volume control for the entire system or groups of remote speakers this device isolates the page port from speaker lines. The output impedance is 600ohm and the power requirements are -24Vdc 45mA. Weighing 1.1lbs its dimensions are 4.44 H x 2.75 W x 2.88 D. The Power Unit (-1)VCV1094A is included.Specifications Output Impedance: 600ohm Power Requirements: -24Vdc 45mA Weight: 1.1lbs Dimensions: 4.44 H x 2.75 W x 2.88 DFeatures Pre-amplifies low-level audio to remote sites Provides virtually unlimited expansion for any system (150 one-way speakers per VC-V-1094) Master volume control for entire system or groups of remote speakers Isolates page port from speaker lines - SKU: ZX9TDVC-V-1094A