Can I use this for my Harley? Aquatic AV June 05, 2020 14:04 Updated You can use the AD.600.4 for your Harley if you are able to find a place to fit it in! Related articles This unit has a built-in amplifier. Do I need another amplifier for my rear speakers? AD600.4 Amplifier Specifications How do I install it? AD600.5 5/4/3-Channel Amplifier (AD605) - Owners Manual MP5 Stereo for Harley (AQ-MP-5BT-H) - Owners Manual Comments 0 comments Article is closed for comments.