Yamaha PSR-403

The Yamaha PSR-403 is a portable keyboard synthesizer released in the late 1990s. It was popular among amateur and professional musicians alike, and was used by artists such as Coldplay, The Killers, and The White Stripes.

The PSR-403 is a 61-key keyboard with a built-in sequencer, allowing users to record and playback their own compositions. It also features a variety of sounds, including piano, organ, strings, and drums. Additionally, the keyboard has a built-in arpeggiator, allowing users to create complex patterns and rhythms. The keyboard also has a built-in effects processor, allowing users to add reverb, chorus, and other effects to their compositions. Finally, the PSR-403 has a built-in MIDI interface, allowing users to connect the keyboard to other MIDI-compatible devices.