Yamaha Psr-e473 61-key Touch-sensitive Portable Keyboard

Assignable Knobs allow you to manipulate various effects and parameters on Voices, Styles and more, in real time. Mega Boost adds +6dB of boosted volume! Motion Effect modifies the voices in your performance with Filter, Pitch and Modulation effects while holding the Motion Effect button. Quick Sampling to USB or Internal Memory for instant recall at just the right time! 1/4" microphone input allows you to connect a microphone so you can sing along while you play, hear your voice through the instrument's speakers, and even record your performance to USB audio.