Classic Model: Numark Deck Express Numark MIXDECK EXPRESS with 3-channel EQ control, scratch function, and pitch control. Includes a back case made by ODY USA. Confirmed to play audio from both CDs and PCs (Serato). I am not an expert, so I do not know the details regarding sound quality and operational sensitivity. No original box. Will be shipped in the back case. Versatile Playback Media Equipped with dual CD/MP3 CD drives, supporting CDs and CD-Rs. numark.com USB memory port allows playback of MP3 audio from USB flash drives. numark.com Connect to a computer to control DJ software (such as Serato DJ Intro). Built-in Mixer Equipped with a 3-channel mixer, allowing for live mixing with EQ (3-band), rotary kill, and a replaceable crossfader. B&H Photo Video Also equipped with external line inputs and microphone inputs, allowing for mixing of other sound sources and microphones. B&H Photo Video Operability and Performance Large, touch-sensitive jog wheels enable scratching and track searching. Features such as brake/reverse/scratch effects and seamless loops are included, which are convenient for live performances. B&H Photo Video Pitch adjustment range of ±6, 12, 25, and 100%. The built-in screen displays basic track information. Computer Integration Serato DJ Intro software included via USB (upgradeable). Can also be controlled with some DJ software (Virtual DJ, Traktor, etc.). Musikhaus Korn Outputs and Connections Balanced XLR outputs and RCA outputs for easy speaker connection. Headphone outputs (1/8″, 1/4″) are also included. - Brand: Numark - Model Name: MIXDECK EXPRESS - Number of Channels: 3 channels - Functions: EQ control, CUE button - Features: Scratch function, pitch control - Color: Black Thank you for viewing.