WH-4/WH-4F Volume Controller

Features

● Remote Volume Controller
● 2-wire, 3-wire, 4-wire and 6-wire connection available
● Power capacity can be extended to 120W、200W
● Emergency Function

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Introduction
Specification

Control broadcast sound of sound pressure in the region, usually by resistance or pressure type transformer points to achieve; There are three kinds of general volume controller.

One, the background music volume control, it is a two wire, do not need to fire broadcasting places; The volume of the two, with strong fire broadcast cut controller (which with strong cut the volume of the controller according to its strong cutting way three wire system and four wire system), What is cut, when regional use will be the volume control volume to very few, even in close, when there is an urgent notice or fire Control room by issuing an emergency control signal to the volume controller, force the volume controller into the radio, and is not affected by the volume controller The state of the influence, entered the state radio. Third, choose the volume controller, as the name implies the volume controller can control the volume of also can choose different music at the same time, it also Fire and don't need to cut two fire is strong, and the selected volume controller can only use four wire system.

Model	Property	Capacity
WH-4（R）	Volume controller	6W
WH-4（T）	Volume controller with extend function	60W
WH-4F（R）	Volume controller with extend & EMC function	6W
WH-4F（T）	Volume controller with extend & EMC function	60W
EH120/200	Extender	120W/200W

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