A:Answer 1) Power: Soundcore 3 has two 1.5 inch titanium diaphragm drivers, two passive radiators, and a speaker unit with a high-frequency range of up to 40kHz; Soundcore 2 has dual neodymium drivers and one passive radiator. 2) Output: Soundcore 3 has 8w*2 stereo sound, whereas Soundcore 2 has 6w*2 stereo sound.