Yamaha PSR-E423 Musical Keyboard

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.

Yamaha PSR-E423 Musical Keyboard Input Voltage: 12 V DC Standard Memory: 1.80 MB Input Voltage: 12 V DC Screen Type: LCD Screen Type: LCD Maximum Number of Keys: 61 Maximum Number of Polyphony Notes: 32 Total Number of Speakers: 4 Speaker Size: 1.18", 4.72" Digital Effects Type Supported: Arpeggio, Chorus, Equalizer, Reverb