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 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 a variety of musical expressions 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.