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Bridging two amplifier channels is a way of delivering more power to a single speaker. A two channel amplifier might have a power output of 100W per channel. By linking them together, the power output to the single speaker can increase to 200W. It's not always quite that simple. If the amplifier can be bridged, it will say so in the manual and it will show the connections that need to be used. Trying to bridge an amplifier that is unsuitable is a sure fire way of killing the amplifier and perhaps the speaker itself. There are certainly methods that can be used to bridge amplifier channels even if the manufacturer does not offer the facility. To do so needs an intimate knowledge of the electronics used in the amplifier. The fact that this question is being asked indicates that the required knowledge isn't there right now. Much safer to obtain an amplifier that is rated and approved for bridged loads than risk the unpleasant results of getting it wrong.

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16y ago

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