The Pioneer CDJ-2000nxs is the CDJ-2000 on steroids, there is a ton of new features added. On the outside the changes are not that much, most recognizabe is the glossy finish of the top and the silver Play/Cue buttons.

There is also a Limited Edition version with Platinum color variation.

Predecessor : Pioneer CDJ-2000
Successor : Pioneer CDJ-2000NXS2
In Platinum : Pioneer CDJ-2000nexus-M LTD

Additional Buttons
- Dedicated Rekordbox input button
- Quantize on/off button (was setting in menu)
- Slip Mode on/off
- Sync & Master for use when syncing decks

Changed Function Buttons
- Beat Loop Mode is now where Auto 4-Beat Loop was
- Hold Loop In for 2 sec to make a 4-beat loop
- Memory Next/Prev now sets the step of  the Loop Length (instead of Needle strip)

Features

DJ Compact Disc CD Player
Improved Needle Search strip (no more speedbumps)
Beat Sync Tracks
ProDJ Link Support
Big Main Waveform Display
GUI Improved
My Settings
Loop Mode, creat loops of quantized length
Emergency Loop
Slip Mode
Improved Master Tempo, locks in the music's pitch even when the tempo changes
Musical Key Indicator in track listing
Phase Meter (to know the beat count 1-2-3-4)
Needle Search Strip
6.1'' Color LCD Screen
206mm Jog Dial for Pitch Bend,Track- and Frame Search, Scratching and Cue Point setting
Rekordbox Supported
On Air Jog Illumination
Waveform Display
Individual Start/Stop speed Adjust
HID Support and Build in Soundcard
0.5 Frame Accurate Cue and Loop Points
Cue/Loop Memory on USB Device (10 per track, unlimited tracks)
Jog Tension Control
Quantize
SD Card slot
Taglist
History Playlist storage
Convert Taglist to Playlist
Pitch Range : ±6, 10, 16, 'Wide' 100%
Pitch Accuracy : 6% scale 0.02%, 10, 16% scale 0.05%, 100% scale 0.5%

3 Hot Cue/Loops
Digital Output
Vinyl Mode : When Activated, the pressure sensitive top of the Jog Dial activates Scratch
On Jog Display
Reverse Play lever control
Tempo Reset button
Loop In/Realtime Cue, Loop Out, Loop Out Adjust and Reloop/Exit
Auto Cue, cues at the first detection of audio in the track
Slot-in CD Loading
Oil-dampened floating CD Assy Suspension
Faderstart, Relay Play
100mm Pitch Fader
Fader Start, Relay Play
Playing Address, a light bar provides a graphic indication of elapsed playing time
Cue Point Sampler Playback

Specifications

Disc Format : DVD-R MP3, CD, CD-R
File Type : MP3, AAC, AIFF, WAV16bit, WAV24bit
SD Cards : Max 32GB
Supported Cards : SD, SDHC (SDXC is NOT supported)
DAC : Wolfson WM8740
Output : Line(RCA), Digital 16/24bits(RCA)
Connections : ProDJ Link(Ethernet), USB-B
Frequency Response : 4Hz - 20kHz
Distortion (THD) : 0.0018 % (JEITA)
Signal to Noise Ratio : 115 dB
Power Supply : 220-240 VAC, 50/60Hz
Power Consumption : 37W
Dimensions (WxDxH) : 320 x 406 x 107mm
Weight : 4.7 kg