The Yamaha RX15 is a classic drum machine from the early 1980s. It is a basic, but solid-feeling machine with 16 programmable drum sounds, a built-in sequencer and backlit LED display. Its sounds are classic and utilize basic analog synthesis, offering a wide variety of sounds for a variety of genres. It has a range of parameters for each sound, including pitch, attack, decay, tone, and volume. The sequencer allows you to program up to 64 steps, and can be synchronized with MIDI devices and other devices via the rear panel. It also has a built-in metronome and a headphone output. The Yamaha RX15 is a great choice for anyone looking for a classic drum machine that offers a range of sounds suitable for a variety of genres.