Designed for use in no compromise crossover designs, Dayton Audio's Precision 20 watt Audio Grade Resistors are ideal for use in your next high end speaker design. The extremely low inductance, non-magnetic construction, tight 1% tolerance, copper end caps, and gold plated copper leads give this high quality 0.51 ohm resistor the ability to provide reliable and consistent performance without any detrimental effects to the original audio signal.