A mid-variety speaker is actually a loudspeaker driver that reproduces a band of frequencies usually among 1–six kHz, usually known as the mid frequencies (involving the woofer and tweeter). Mid-range driver diaphragms is often made of paper or composite products and will be immediate radiation drivers (somewhat like smaller woofers) https://mylespltze.alltdesign.com/considerations-to-know-about-speaker-49474981