The new unit is available from June 29th, retailing at $2199 Stems beta will be available exclusively to PRIME 4+ users in the next 3 months.
Denon DJ Prime 4+ Stems
Denon DJ releases first-ever DJ controller using stem separation technology
Denon DJ introduces Prime 4+ controller with stem separation technology - Electronic Groove
Denon DJ SCLIVE4 4-Deck Standalone DJ Controller with 7-Inch Touchscreen, Built-in Speakers, and Wi-Fi Music Streaming
Denon release the LC6000 PRIME Performance Expansion Controller - Decoded Magazine
2) Technics SL-1200MK7 Turntables with DJM-S11
VDJ stems and prime 4 - Standalone Controllers - Engine DJ Community
Denon DJ SCLIVE4 4-Deck Standalone DJ Controller with 7-Inch Touchscreen, Built-in Speakers, and Wi-Fi Music Streaming
Denon DJ Brings Stems to Standalone With Prime 4+
Denon DJ Prime 4+ Brings A Fresh Look (& A Mystery New Feature)
Denon PRIME4+ Standalone 4-Deck DJ Media Player and Mixer w/ Stems – Easy Music Center