Performance Engineered: Each component of the Stage-2 kit is meticulously engineered for peak performance. The 6.5” speakers feature a heat-resistant motor structure and radiator ring that efficiently dissipate heat, ensuring consistent, powerful sound even under the most demanding conditions. Complementing the speakers, the 1000-watt digital amplifier delivers robust performance and is future-ready for expanding your system with additional speakers. Plug and Play Design: Stage-2 offers a true plug-and-play solution in a single box, complete with direct fit model-specific amplifier mounting plates and grilles. Designed to seamlessly integrate with the Skyline™ OS Harley-Davidson® infotainment system — it eliminates the need to flash the radio — making installation truly effortless.