KEY200.4 Smart 4-Ch. Amplifier Auto-EQ/processor for 23.5-24 Harley Davidson DETAILS, DETAILS 200 Watts Of Power (50x4) Auto EQ Microphone With Selector Switch Included FIT2™ Technology Included Turn On Via Remote 12v Signal Or DC Offset Auto 40-Band Equalizer Bi-Amp Capability Auto Compressor Kicker EQ Preset Auto Time Alignment Auto Level Adjustment (Bi-Amp Mode Only) Auto Speaker Size Detection 24dB Crossovers 60/80/120hz High Pass Filter (Defeatable) It can be made Plug and Play for your Harley Davidson stock radio Will work 0n 14-18 stock radios. No flashing required The video below shows installation in a car, but the main purpose of this video is to see how this amp works its magic after the installation. Harley-Davidson Video is in the works! ACOUSTIC CORRECTION = AUDIO PERFECTION Don't just make your system louder - make it clearer. Make it better… Press the selector, and the microphone starts working. The KEY uses a powerful internal computer to deliver dramatic improvements in realism and soundstage. A massive 40-band equalizer improves tonality, and a 24dB crossover redefines each speaker's capabilities. The concert quality of your factory stereo is revealed! What would take hours for a professional to achieve happens in a matter of minutes—all automatically, all with the press of a single button. Start with these FREE TEST TONES for easy setup!