What is tesla sub?

The term "Tesla sub" could refer to either a type of subwoofer or a type of submarine, both of which have ties to the name and technology of inventor Nikola Tesla.

In the case of a Tesla subwoofer, it typically refers to a type of high-end, powerful subwoofer that is designed to deliver clear, rich bass frequencies. These subwoofers often use advanced technology like neodymium magnets, laminated flat-wire voice coils, and lightweight, rigid cones to achieve their superior sound quality. Some examples of Tesla subwoofers include the Hertz Mille Legend ML2500.3 and the JL Audio 10TW3-D4.

In the case of a Tesla submarine, this would be a vessel designed to operate underwater using electric power, much like the Tesla electric cars that have become popular in recent years. There are currently no known submarines that go by the name of "Tesla sub", but Tesla's legacy as an inventor and innovator in electrical engineering has inspired many advancements in underwater technology, including electric propulsion systems and lithium-ion batteries.