The Yamaha DX7 is a digital synthesizer that was first released in 1983. It is known for its innovative use of frequency modulation (FM) synthesis, which allows for the creation of complex and rich sounds. The DX7 became popular in various music genres, including pop, rock, and jazz, due to its unique timbres and affordability. With its 61-key keyboard and built-in sequencer, the DX7 was user-friendly and versatile. It featured 32 algorithms for sound design and offered a range of presets that became iconic in the 1980s music scene. The synthesizer's impact on music production continues to be felt today.