The PSR-E423 offers several innovative features. The basic features for learning to play -- like the Yamaha Portable Grand and Yamaha Education Suite -- and features for when it's time to perform, like synthesizer Control Knobs for real-time control of filter, effects, sound envelope and Style tempo. The Arpeggiator provides an expanded 150 different patterns and 40 arpeggio Voices. These easy-to-use professional features, along with its new black body, set this keyboard apart from others in its class.

Basic and New Features
Control Knobs, Arpeggiator and Pitch Bend
Most of the features of the PSR-E423 have been enhanced over its predecessor. Two control knobs provide real-time control for filtering the main melody tone, and changing the tempo of the arpeggio just like an analog synthesizer. The Pitch Bend wheel brings Voices like the Sax and Trumpet to life.

Improved Arpeggio Function
Tap into instant inspiration with the Arpeggio function which has been improved for smoother playability. New hold mode and allocated key-range will free your hands for playing with both hands. It provides an expanded150 patterns that automatically generate even more useful phrases that change depending on the notes and chords you play.

A Variety of New Dynamic Voices
Dynamic Voices usually found on high-end workstations, are now on the new PSR-E423. There are two different waveforms that change depending on how hard you play the keyboard, this allows more expression on Voices such as overdriven or nylon guitar. High quality Voices, from acoustic instruments to electric sounds, have been expanded to 700 varieties. All of these high-quality Voices sound even better through the bass-enhanced 2-way speakers.

Wider World Content and 174 Varieties of Styles with Auto-backing Mode
Arabic, Indian and Chinese content has been added to Styles, Rhythm and Voices. With our high-quality Styles and Voices, you'll sound like you have a professional backing band behind you.

Extended Flash Memory, Connectivity to PC via USB
4 times more flash memory has been added to the PSR-E423 so you can play along with your favorites transferred from a PC.