[1] The Yamaha PSR-E323 is an entry-level home electronic keyboard dedicated for beginner, learning and personal usage.
The keyboard features a velocity-sensitive keys with adjustable sensitivity setting, a total of 482 instrument sounds including stereo-sampled piano and Yamaha XG soundset, a set of 106 different auto-accompaniment rhythms, built-in lesson system for practicing, stereo bass reflex speakers, as well as over 100 built-in songs.
The keyboard contains a scaled-down version of Yamaha's Advanced Wave Memory (AWM) tone generation system, which is a PCM sample-based synthesis engine.
It features a 32-note polyphony with 16-part multi-timbral support and Yamaha XG Lite sound set.
Yamaha has produced a series of similar keyboards as direct successor to the PSR-E323; the PSR-E333 (2011), which maintains otherwise identical design, features and sounds, but with a black color, 3D stereo function, and a new plug-and-play USB connection replacing the traditional MIDI in/out ports; the PSR-E343 (2013), featuring a redesigned panel layout, new sounds, audio input (AUX) connection, and iOS device compatibility; the PSR-E353 (2015), featuring the same design and functions as its predecessor but with improved sound engine, enhanced speaker system and grey finish; the PSR-E363[2] (2017) featuring a major redesign and improved sound system, alongside a 76-note version (PSR-EW300), and the PSR-E373[3] (2020) featuring a new sound engine with Super Articulation Lite voices and a new concert grand piano sound, alongside its 76-note variant, the PSR-EW310.