Check the listing for details. Yamaha Reface DX 37-Key Digital Keyboard Synthesizer. Condition: Open box. Listed at 325.00 USD. The Yamaha Reface DX 37-Key Digital Keyboard Synthesizer is a versatile and portable instrument perfect for musicians and producers looking to create unique and dynamic sounds. Featuring a digital interface with a variety of input/output ports, including R Output, Aux In, Phones, Sustain, and L/Mono Output, this keyboard offers endless possibilities for sound design. With built-in effects and the ability to connect to external devices via USB, this Yamaha keyboard synthesizer is a powerful tool for exploring new sonic territories. Designed by Yamaha, a trusted brand in musical instruments, the Reface DX delivers high-quality sound and performance in a compact and lightweight package. will ship with care inside another box, ensuring you receive it in excellent condition.