Yamaha Tenori On (TNR-W), Synth with a new kind of control interface, 16 x 16 LED matrix, AWM2, 32-note polyphony, 16x multi-timbral, 239 normal voices, 14 drum kits, 3 user sample voices (max. 0.97sec), SD card slot, integrated stereo speakers, 10 function buttons, stereo mini-jack output, MIDI in/out, powered via battery or power supply. Dimensions : 20.5 x 20.5 x 3.2 cm. Weight: 700g excluding batteries.