TRHDP Audio Programmer Get the most out of your KICKER Audio Kit for Harley Davidson® with the TRHDP Audio Programmer. A custom-coded audio module built specifically for your Harley, the programmer works directly with your factory six-pin diagnostic port. In a few short steps, the TRHDP delivers simple on-screen directions to optimize your factory radio for peak performance of your KICKER amplifier and speakers. You get dramatically improved sound quality and power, fader control and even view/reset diagnostic codes! Compatible with all 2014-newer Harley-Davidson motorcycles with a KICKER Audio Kit. Requires stock ECM. ? 2021 MODELS ONLYOwners of 2021 H-D motorcycles require the purchase of an additional connector cable from a KICKER dealer; please reach out to your KICKER dealer if you are purchasing a TRHDP Programmer for a 2021 model. (*Extremely technical setup for 2014-and-up with factory premium audio upgrade systems. If you purchase the TRHDP to program your factory premium audio upgrade, you must contact KICKER Technical Support at 405-624-8583 for additional assistance beyond manual instruction. Thank you.) * not compatible with boom stage 2 premium audioManuals TRHDP | English | Download