Whirlwind SB Series multichannel microphone splitters provide a convenient method of splitting multiple microphone signals to two locations. 

Each channel has a Whirlwind WC3FQ female XLR input connector wired to two Whirlwind WC3MQ male XLR outputs - available with either two direct outputs or one direct and one transformer isolated output. These can be ordered with ground lift switches on one output. The boxes are built from heavy cold-rolled steel for long term abuse-resistance.

Stage Box: heavy cold-rolled steel

Steel, 14GA base, 16GA top w/ handle, powder coat

Connectors - Stagebox Inputs: Whirlwind WC3F female XLRs (6, 8, 12, 16, 20 or 24 channels)

Connectors - Stagebox Outputs: Whirlwind WC3M male XLRs

Each WC3F input is Y connected to 2 WC3M outputs

Each WC3F input is Y connected to 1 WC3M output and through a TRSP1F transformer to a 2nd WC3M output

Optional Ground Lift. A switch is provided that disconnects the ground (pin 1) connection to Output #2