For music students and performers, the new MT-90U is the perfect companion. Load songs from the USB port (MIDI files, MP3, .WAV) and play them back through the built-in speaker. The onboard sound engine plays multi-track MIDI files with ease; you can even change pitch and tempo. Practice and perform with full backing-band accompaniment! FEATURES: [ External Storage Devices: - USB Memory (Sold Separately, M-UF1G) - USB CD Drive (Read only) (Sold Separately, Available in the Market) - USB Floppy Disk Drive (Sold Separately, FD-01A) [ Playable Contents: - Standard MIDI Files (Format 0/1) - Roland Original Format (i-Format) - Audio File (WAV; 44.1kHz / 16bit Linear Format, MP3; 44.1kHz / 128 to 320 kbps) - Audio CDs (CD-DA, External USB CD Drive Required) [ Tracks: 16 tracks [ Songs: 1 song [ Control: - Reset - Play - Stop - Bwd - Fwd - Track Select - Count-in - Marker Set - Repeat - Metronome - Song Select - Tempo - Inc - Dec - Center Cancel [ Tempo: - Quarter note = 10 to 500 % (only for MIDI playback) - Quarter note = 50 to 125 % (only for Audio playback) [ Resolution: 120 ticks per quarter note [ Transpose: -6 to +5 (in semitones) [ Internal Sounds: Conforms to GM2/GS/XG lite [ Max.Polyphony: 128 voices [ Tones: 348 variations (including 8 drum sets, 1 SFX set) [ Master Tuning: 415.3 Hz to 466.2 Hz (adjustable in increments of 0.1 Hz) [ Effects: Reverb, Chorus [ Display: 122 x 32 dots graphic LCD with backlit [ Size: 165 mm (W) x 186 mm (D) x 270 mm (H) [ Weight: 2,5 kg