I don't know how to use this, so I'm selling it as junk. I connected it to an amplifier and it produced sound. It worked normally as a CD player. The black knob that turns is deteriorated. 【High-Function DJ Equipment】 The Vestax CDX-05 is a high-performance CDJ equipped with sampler and effect functions (flanger, delay, filter). It allows for diverse musical expression and is loved by professional DJs. 【Intuitive Operability】 The circular turntable design allows for intuitive operation. CUE buttons and play buttons are also arranged, enabling smooth performance. 【Accessories】 A dedicated AC adapter (DC-8-DM) is included, so it can be used immediately. - Brand: Vestax - Model: CDX-05 - Color: White - Functions: Sampler, Flanger, Delay, Filter - Turntable: Circular turntable - Adapter: DC-8-DM Thank you for viewing.