Synthesizer for $10?! Why The World's Cheapest Keyboard Is Better Than Others - DENN DEK37 Review.

#synthesizer #demo #presets Introducing the DENN DEK37 mini duophonic keyboard, the world's cheapest sound extraction device. The device has 37 keys, 8 tones, 8 rhythms and 8 separate sounds. During the second week of operation, the right audio speaker failed; the buttons and keys are still working properly.