The ES8755R 3-pin flush-mount power module works with ES925 goosenecks and microphone elements. The power module is equipped with a 3-pin XLRM-type output connector and a touch-sensitive capacitive-type user switch that enables local muting of the microphone. The power module mounts unobtrusively in tabletops and comes with isolators that provide mechanical dampening of the mounting surface. The power module also features a highly visible, two-state RGB LED status indicator. Specifications Impedance: 180 ohms Phantom Power Requirements: 22-52V DC Switch: LED Color: mic on, mic off Weight: 75 g (2.6 oz) Dimensions: 38.0 mm (1.50") W x 48.0 mm (1.89") D x 90.8 mm (3.57") H Output Connector: Integral 3-pin XLRM-type Accessories Furnished: One pair of isolators; nut; set screw (M2 x 2); hex wrench