Check the listing for details. AlphaTheta DDJ-GRV6 4-Channel Stem Rekordbox Serato DJ Controller. Condition: New. Listed at 829.00 USD. The AlphaTheta DDJ-GRV6 is a 4-channel DJ controller that gives you full control over rekordbox and Serato DJ Pro. With the DDJ-GRV6's Groove Circuit, you can instantly remix drum parts and create unique mashups on the fly. Simply press one of the dedicated buttons to replace the drum section of the current track with beats from a different genre, then add effects to sculpt your custom remix. When used with Serato DJ Pro, you can manipulate and separate Stems with the Stems FX feature.Groove Circuit Enables Spontaneous RemixesThe DDJ-GRV6's Groove Circuit feature allows you to instantly create remixes with the touch of a button. You can replace the drum track of the song currently playing with loops in different styles, transforming the genre and performing one-of-a-kind remixes in real time. Applying effects to the drum tracks makes it easy to build fills, buildups and breakdowns. By freely manipulating the drum sections, you can perform innovative live remixes.Scratch and Remix Like the ProsThe DDJ-GRV6 gives you a similar feel to professional CDJ and DJM setups so you can transfer your skills to club equipment. Large jog wheels are ideal for scratching. Eight performance pads—positioned above the jog wheels like on the flagship CDJ-3000—provide dynamic control. Beat FX from the DJM-A9 mixer section allow you to combine expressive scratching with pad and effect techniques perfect for the club.Discover and Navigate Your Library With EaseThe DDJ-GRV6's Smart Rotary Selector enables intuitive browsing of your media library, playlists and collection. Tilt the knob left, right, up or down to quickly navigate, then push to load a track. The Discover button provides instant access to track suggestions to help you rediscover old favorites or find new music.