Both are in excellent quality, and they have hardly been used. They have only been moved twice from their locations! (both of my homes

Read any review for the Denons and you'll find out how great they are! The pitch control on both sides are still rough (showing how they are still really accurate!). Theyre compatible with all types of CDs, and it even has the ability to play MP3 CDs! They have their own samplers, plus lots of memory to store cue and loop points! They can scratch in three different modes, and have around 10 different built in effects (including, flanger, delay, transform, brake start, filter, etc).
The pitch control is amazing, and can be increased or decreased by 0.05% increments/decrements.
Hmm.. oh yeh! one thing only denon cd players can do! PLAY and MIX TWO TRACKS FROM THE SAME CD! This thing is awesome, meaning you can make use of all four channels at the same time! Alright, enough bragging, here's the list of features and specifications.. and by the way. mine already came with the latest firmware version!
DN-D9000
World`s most advanced double CD/MP3 player • FREE MP3 playback “Plug Inâ€