The Disco Splitter is an Disco interface and four-output splitter all-inone. The Disco DMX to USB interface is built right in. The unit has two inputs for when it is not being used with the Disco software. Each output and input has a 3-pin and 5-pin XLR connectors. Electronic isolation is used between input and output, and output and output. Its dimensions are 19” W x 6” L x 1.75”H. It has removable rack ears for rack mounting front or back and it is also wall mountable.The Disco Splitter is assembled in the US. Product Data Minimum Requirements: PC with minimum 1GHz Processor Video Resolution of at least 1024 x 768 USB Port for USB to DMX Interface 40mb Hard Drive Space. OS: Windows 10, Windows 8 and Windows 7, 32 /64bit, Dual output Video card for Video playback Touch Screen compatible (19" or larger recommended) Input DMX Connections: Front and Rear 3-pin & 5 Pin XLR connectors Output DMX Connectors: 4 output / 3-pin & 5 Pin XLR connectors Power Connection: IEC power connection to Edison Fastening System: 1U Rack Mountable Front or Back & wall mountable Size: 19” x 1.75” x 6” Weight: 6 lb Electrical Specifications: Electronic isolation between input & output, Electronic isolation between output and output, Terminator button for last unit, Power indicator, Signal indicator.