This is a 2019 model DDJ-400. I used it for about a year and then stored it in its dedicated case. The dedicated DDJ-400 case shown in the photos is also included. Power-on and basic operation confirmed on 2025/12/30. The Pioneer DJ DDJ-400 is a USB-connected 2-channel DJ controller equipped with sampler and effects functions. - Model: DDJ-400 - Brand: Pioneer DJ - Connection Type: USB - Functions: Sampler, Loop, Effects - Number of Channels: 2 - Headphone Output: 1/4 inch jack - Volume Control: Channel level, Master level - Tempo Control: Tempo slider - Play/Pause Buttons: Yes Thank you for viewing. Price negotiable.