The SB24T1 from Whirlwind is a 24 input passive microphone splitter with one direct and one isolated output for each input, for a total of 48 outputs. Each input has a 3-pin XLR female connector and each output has a 3-pin XLR male connector. The SB24T1 is built from heavy cold-rolled steel to withstand the rigors of day-to-day use.
Whirlwind SB24T1 Specs
24 x XLR Female
48 x XLR Male (24 x Parallel, 24 x Transformer Isolated)