The Liberty DMX-550 Hosa Technology DMX-512 XLR 5-Pin Male to XLR 5-Pin Female 120-Ohm Cable (50-feet) has nickel-plated plugs for durability and proven performance with oxygen-free copper for enhanced signal clarity. It also comes with an OFC spiral shield for EMI rejection and flexibility and features 110-Ohm impedance for RS-485/DMX-512 signals. The DMX-550 cable measures 50-feet long and is also available in variety of lengths such as 3,5,10,20,25,30, and 100 feet.