Larry Heard, a.k.a. "Mr. Fingers", claims that the term "house" became popular due to many of the early DJs creating music in their own homes using <answer>synthesizers and drum machines</answer> such as the Roland TR-808, TR-909, and the TB 303.[citation needed] These synthesizers were used to create a house subgenre called acid house.
what are the Roland TR-808, TR-909, and TB 303 examples of?
synthesizers and drum machines