A switching mode amplifier, comprising: a power supply input (304, 306) receiving a supply voltage across a first input and a second input; a reactive voltage divider (310, 312) coupling the first input and the second input to a center line, and produces a fraction of the supply voltage on the center line; a switching structure (316, 318) configurable to: selectably couple a first port to one of the first input, the second input, and the center line; and selectably couple a second port to one of the first input, the second input, and the center line; and a controller configured to: configure, in response to a first indication to provide the fraction of the supply voltage across the first port and the second port, the switching structure into a first configuration, the first configuration coupling the first port to the first input and coupling the second port to the center line; and configure, in response to a subsequent indication to provide the fraction of the supply voltage across the first port and the second port, the switching structure into a second configuration, the second configuration coupling the first port to the center line and coupling the second port to the second input, wherein the subsequent indication occurs after the first indication. a power supply input (304, 306) receiving a supply voltage across a first input and a second input; a reactive voltage divider (310, 312) coupling the first input and the second input to a center line, and produces a fraction of the supply voltage on the center line; a switching structure (316, 318) configurable to: selectably couple a first port to one of the first input, the second input, and the center line; and selectably couple a second port to one of the first input, the second input, selectably couple a first port to one of the first input, the second input, and the center line; and selectably couple a second port to one of the first input, the second input, and the center line; and a controller configured to: configure, in response to a first indication to provide the fraction of the supply voltage across the first port and the second port, the switching structure into a first configuration, the first configuration coupling the first port to the first input and coupling the second port to the center line; and configure, in response to a subsequent indication to provide the fraction of the supply voltage across the first port and the second port, the switching structure into a second configuration, the second configuration coupling the first port to the center line and coupling the second port to the second input, wherein the subsequent indication occurs after the first indication. configure, in response to a first indication to provide the fraction of the supply voltage across the first port and the second port, the switching structure into a first configuration, the first configuration coupling the first port to the first input and coupling the second port to the center line; and configure, in response to a subsequent indication to provide the fraction of the supply voltage across the first port and the second port, the switching structure into a second configuration, the second configuration coupling the first port to the center line and coupling the second port to the second input, wherein the subsequent indication occurs after the first indication.