Valcom Wall Mounted Page Port PreAmp/ExpanderCondition:* Used, Removed From Service In Working Condition. Unable To Test. As pPictured. Additional Notes:* Brushed Stainless-Steel Plate* Embossed Numbers From 0 to 10* Surface or Wall Mounted Options* Single Gang Surface Mount Bell Box Included on V-1094A* UL Listed* Audio Input: Input: 600 Ohms* Frequency Response: 80 Hz to 10 kHz +/- 3 dB* Gain: +8 dB Maximum (Into 8-Ohms Load)* Dimensions: 4.44″ x 2.75″ x 2.00″ (11.28cm x 6.99cm x 5.08cm) * Audio Output: 8 Ohms* Power Requirements: Voltage: -21 to -26 Vdc Idle, Current: 12 mA, Operating Current: 15 mAValcomV-1094A