Making Bluetooth call they can hear you but they can't hear them? Is it a Dodge, Jeep, or Chrysler

In this video we address a common problem when installing a Bluetooth radio in these cars and trucks. The easiest to find out if you have a factory amplified system is to 1. does your car have a stand alone subwoofer 2. do the door speakers just have bass no highs. One or both of these things mean you have an amp.