Yamaha Reface DX FM Synthesizer.

Reface Mobile Mini Keyboards are re-imagined interfaces of classic Yamaha keyboards. Ideal for mobile musicians, music creators, keyboardists and sound designers, the four unique synths give intuitive control of a big sound in a small size. Built-in speakers and battery power ensure inspiration can strike in any place, any time. 

• Based on the FS action found on the flagship Motif XF, High Quality mini keys provide premium feel and response for fast, accurate and natural playing
• 2W 3cm stereo speaker system lets you play any place, any time
• Specially designed bass reflex port technology enhances bass response for full, rich sound
• Battery powered - uses six “AA” batteries with five hours of life (PSU also included)
• USB “TO HOST” allows MIDI connectivity to your USB-equipped computer or iOS device
• MIDI IN/OUT connectivity via mini-DIN
• Dual 1/4”unbalanced line outputs provide connection to mixers, audio interfaces, DI boxes and more
• A 3.5mm aux line input lets you connect and hear mobile devices, tablets and more through the instrument 

• 4-operator FM Sound Engine offers dynamic and expressive additive synthesis
• A new feature of this engine is continuously variable feedback on every operator allowing for a wide-range of sound creation
• Two programmable effects blocks with seven effect types per block (VCM Touch Wah, VCM Flanger, VCM Phaser, Chorus, Delay, Reverb and Distortion)
• Multi-touch control interface gives direct access to four simultaneous parameters
• 32 Voice memory locations allow storing and recalling favorite Voices
• Sustain pedal input allows the sustain function for all FM generated sounds