The BEHRINGER's SD16 gives 16 MIDAS-designed remote- controllable mic preamps, 8 balanced analog XLR returns at the stage end, plus an integrated 4-port ULTRANET distribution hub for direct connection to our P16-M personal monitor mixers – with none extra hardware required. Plus, this audio accessories is extremely compact and is derived with rugged protective bumpers, so that you can toss them at once on stage wherever you want them. The best part – all it takes is a single shielded CAT5e cable per stage container (up to 330 ft / 100 m length). And If you want greater inputs, or simply need to hold your cable runs brief and tidy, setting an SD16 at degree the front and some other in the back of the drum riser offers you an extra 16 inputs for drum and guitar/bass amp mic’ing. When used as a part of a whole X32 system, as many as 3 SD16 Stage Boxes can be cascaded through the built-in AES50 ports to offer as much as 48 bidirectional inputs and 24 balanced XLR outputs. An onboard ULTRANET distribution hub gives power and 16 channels of audio to 4 BEHRINGER POWERPLAY P16-M personal monitor mixers in keeping with SD16, all through less expensive shielded CAT5e cabling – and with none extra hardware. Two of the programmable inputs also are well suited with Hi-Z sources, so that you can connect keyboards, acoustic and bass guitars, etc., without a DI box required. The SD16 additionally capabilities a USB port for fast and easy system updates through your PC.