# STEMs Split & Dual Deck Modes **URL:** \ **Category:** Implemented Suggestions\ **Tags:** macOS, Windows, iOS, Android\ **Created:** [August 7, 2023, 1:12pm UTC](https://community.algoriddim.com/t/stems-split-dual-deck-modes/21309 "2023-08-07T13:12:33Z")\ **Posts on this page:** 20\ **Page:** 1
**Author:** ![Slak\_Jaw](https://community.algoriddim.com/user_avatar/community.algoriddim.com/slak_jaw/32/6517_2.png) [@Slak\_Jaw](https://community.algoriddim.com/u/Slak_Jaw)\ **Post date:** [August 7, 2023, 1:12pm UTC](https://community.algoriddim.com/t/stems-split-dual-deck-modes/21309/1 "2023-08-07T13:12:33Z")
Please add **Dual Deck Modes** and the ability to **Split STEMs** across 2 Decks. 1. **Basic Mode:** simply lock 2 Decks together so they can both be controlled by the Jog Wheel and Tempo Fader without switching between decks. a. Typically this will be Deck 1 & 3 or Deck 2 & 4. 2. **STEMs Split Mode:** basically create an Instant Double of the currently playing track on Deck 1 over to Deck 2, but at the same time switch Deck 1 to Instrumental and Deck 2 to Acappella. a. By default, the tracks would be BPM and Beat locked together, but this could be disabled as well for additional flexibility. b. Obviously, we’d want the ability to do this in reverse as well (ex. Acappella on Deck 1 and Instrumental on Deck 2). c. This will enable independent EQing, FX, Cutting, Scratching, etc., of each STEM across the 2 channels. ![IMG_0352](https://community-assets.algoriddim.com/original/2X/5/5d6d7dc2998dfec5b4d2aa7870d2e00e991c191c.jpeg) ---
**Author:** ![Dysfunk\_DJ](https://community.algoriddim.com/user_avatar/community.algoriddim.com/dysfunk_dj/32/19833_2.png) [@Dysfunk\_DJ](https://community.algoriddim.com/u/Dysfunk_DJ)\ **Post date:** [August 7, 2023, 4:06pm UTC](https://community.algoriddim.com/t/stems-split-dual-deck-modes/21309/2 "2023-08-07T16:06:12Z")
Would be cool if algorithm takes what really works well from all the other platforms and incorporated into Djay pro AI plus adding their own sauce. ---
**Author:** ![Slak\_Jaw](https://community.algoriddim.com/user_avatar/community.algoriddim.com/slak_jaw/32/6517_2.png) [@Slak\_Jaw](https://community.algoriddim.com/u/Slak_Jaw)\ **Post date:** [August 7, 2023, 4:36pm UTC](https://community.algoriddim.com/t/stems-split-dual-deck-modes/21309/3 "2023-08-07T16:36:15Z")
Several of the recent features coming to other softwares were done by Algoriddim first (streaming service integration, real-time STEMs separation, STEMs FX, STEMs EQ, even the new “Auto BPM Transition” on the Pioneer Rev 5 is basically djay’s Automix). ---
**Author:** ![Dysfunk\_DJ](https://community.algoriddim.com/user_avatar/community.algoriddim.com/dysfunk_dj/32/19833_2.png) [@Dysfunk\_DJ](https://community.algoriddim.com/u/Dysfunk_DJ)\ **Post date:** [August 7, 2023, 5:58pm UTC](https://community.algoriddim.com/t/stems-split-dual-deck-modes/21309/4 "2023-08-07T17:58:45Z")
Good point. I remember rocking a party with a beatpad and Spotify. 🕶 ---
**Author:** ![Slak\_Jaw](https://community.algoriddim.com/user_avatar/community.algoriddim.com/slak_jaw/32/6517_2.png) [@Slak\_Jaw](https://community.algoriddim.com/u/Slak_Jaw)\ **Post date:** [August 8, 2023, 2:43am UTC](https://community.algoriddim.com/t/stems-split-dual-deck-modes/21309/5 "2023-08-08T02:43:05Z")
I was actually able to get pretty close to the STEMs Split functionality with a custom MIDI Mapping on my Reloop Mixon 8 Pro. 1. I used the **Duplicate** function to map 3 MIDI commands to a single button. 2. First I mapped **Instant Double** to **SHIFT + Load Channel 2**. 3. Next I mapped **Deck 2: Neural Mix Solo (2ch: Acappella)** to the same button. 4. Finally I mapped **Deck 1: Neural Mix Solo (2ch: Instrumental)** to the same button again. 5. So, if I’m playing a track on Deck 1 and I press **SHIFT + Load Channel 2** it will essentially put the Acappella onto Deck 2 and switch Deck 1 into an Instrumental. 6. With Slip and Sync engaged, you can pretty much keep the Instrument and Acappella locked together even when scratching. 7. Here’s the mapping if anyone with a Mixon 8 wants to try it out: [Reloop Mixon 8 Pro SJ4(Split).djayMidiMapping](https://community.algoriddim.com/uploads/short-url/9oPQDYngRHRkUemMbcgFqYQaY5s.djayMidiMa) (320.2 KB) ![IMG_0353](https://community-assets.algoriddim.com/original/2X/f/f579995c707039fee103a3f36af172fefb0607bc.jpeg) ---
**Author:** ![SamJam](https://community.algoriddim.com/user_avatar/community.algoriddim.com/samjam/32/17696_2.png) [@SamJam](https://community.algoriddim.com/u/SamJam)\ **Post date:** [August 8, 2023, 6:59am UTC](https://community.algoriddim.com/t/stems-split-dual-deck-modes/21309/6 "2023-08-08T06:59:37Z")
I like the way you think its awesome! Now for your next mission ahould you chose to accept it. Try mapping the bpm transition. 🎶 ---
**Author:** ![Dysfunk\_DJ](https://community.algoriddim.com/user_avatar/community.algoriddim.com/dysfunk_dj/32/19833_2.png) [@Dysfunk\_DJ](https://community.algoriddim.com/u/Dysfunk_DJ)\ **Post date:** [August 8, 2023, 7:41pm UTC](https://community.algoriddim.com/t/stems-split-dual-deck-modes/21309/7 "2023-08-08T19:41:38Z")
This is very cool. Great mapping skills. ---
**Author:** ![Slak\_Jaw](https://community.algoriddim.com/user_avatar/community.algoriddim.com/slak_jaw/32/6517_2.png) [@Slak\_Jaw](https://community.algoriddim.com/u/Slak_Jaw)\ **Post date:** [August 8, 2023, 9:34pm UTC](https://community.algoriddim.com/t/stems-split-dual-deck-modes/21309/8 "2023-08-08T21:34:13Z")
Here’s the mapping key to go with the Reloop Mixon 8 Pro MIDI Mapping above. **White Text** represents regular button functions and **Orange Text** represents **SHIFT +** functions. ![Reloop Mixon 8 SJ4](https://community-assets.algoriddim.com/original/2X/b/b0a484644668bad0c390a8657eb45e52dfeaf112.jpeg) ---
**Author:** ![Slak\_Jaw](https://community.algoriddim.com/user_avatar/community.algoriddim.com/slak_jaw/32/6517_2.png) [@Slak\_Jaw](https://community.algoriddim.com/u/Slak_Jaw)\ **Post date:** [August 9, 2023, 12:15am UTC](https://community.algoriddim.com/t/stems-split-dual-deck-modes/21309/9 "2023-08-09T00:15:33Z")
_“Now for your next mission ahould you chose to accept it. Try mapping the bpm transition. 🎶”_ @SamJam that was super easy actually: > [@Auto BPM Transition Feature](https://community.algoriddim.com/t/auto-bpm-transition-feature/21322): > > This is another feature recently showcased on the Pioneer DDJ-REV5. Basically it’s a direct copy of djay’s long existing Automix, but with some dedicated hardware controls. Anyway @SamJam challenged me to try to MIDI map something similar. Turns out it’s surprisingly easy: Set the Target to Mixer Set the Action to either CROSSFADER: Transition to Left or Transition to Right. a. You could also use Transition to Inactive Deck if you just want to map a single button that would transition eithe… ---
**Author:** ![system](https://community-assets.algoriddim.com/original/1X/12708751d75e1f1f991dd837f457a420f9b47c93.svg) [@system](https://community.algoriddim.com/u/system)\ **Post date:** [September 15, 2023, 10:13am UTC](https://community.algoriddim.com/t/stems-split-dual-deck-modes/21309/11 "2023-09-15T10:13:09Z")
This topic was automatically closed 30 days after the last reply. New replies are no longer allowed. ---
**Author:** ![Slak\_Jaw](https://community.algoriddim.com/user_avatar/community.algoriddim.com/slak_jaw/32/6517_2.png) [@Slak\_Jaw](https://community.algoriddim.com/u/Slak_Jaw)\ **Post date:** [October 31, 2023, 5:03pm UTC](https://community.algoriddim.com/t/stems-split-dual-deck-modes/21309/12 "2023-10-31T17:03:31Z")
---
**Author:** ![Xamount](https://community.algoriddim.com/letter_avatar_proxy/v4/letter/x/3bc359/32.png) [@Xamount](https://community.algoriddim.com/u/Xamount)\ **Post date:** [January 7, 2024, 3:52pm UTC](https://community.algoriddim.com/t/stems-split-dual-deck-modes/21309/14 "2024-01-07T15:52:00Z")
Would love to see this feature implement. Whether it’s a controller or dj mixer ---
**Author:** ![The\_seanwolf](https://community.algoriddim.com/letter_avatar_proxy/v4/letter/t/a87d85/32.png) [@The\_seanwolf](https://community.algoriddim.com/u/The_seanwolf)\ **Post date:** [April 8, 2024, 1:53pm UTC](https://community.algoriddim.com/t/stems-split-dual-deck-modes/21309/15 "2024-04-08T13:53:48Z")
Adding to this, I’d actually love the option to split all four stems across four decks, and have the decks locked together, ostensibly in slip mode, with the cues in gate mode. This would add quite powerful mixing/remixing functionality. ---
**Author:** ![avi530](https://community.algoriddim.com/user_avatar/community.algoriddim.com/avi530/32/3123_2.png) [@avi530](https://community.algoriddim.com/u/avi530)\ **Post date:** [April 16, 2024, 2:15pm UTC](https://community.algoriddim.com/t/stems-split-dual-deck-modes/21309/16 "2024-04-16T14:15:02Z")
Is there a way to do dual deck control on the reloop MIXON 8? Specifically let’s say mixing vocal stem in channel 1 and instrumental stem in channel 2…is there way to combine them into one deck and use deck 3 or 4 to mix in a third song? I know the FLX 6 and FLX 10 have this feature. If not natively available is there a way to MIDI map it? ---
**Author:** ![Slak\_Jaw](https://community.algoriddim.com/user_avatar/community.algoriddim.com/slak_jaw/32/6517_2.png) [@Slak\_Jaw](https://community.algoriddim.com/u/Slak_Jaw)\ **Post date:** [April 17, 2024, 1:16pm UTC](https://community.algoriddim.com/t/stems-split-dual-deck-modes/21309/17 "2024-04-17T13:16:56Z")
Hi @avi530, please use the search function before creating new topics. I’ve merged your new topic with this existing one. Please see above and use the blue Vote button at the top left to show your interest in adding this functionality. Thanks! ---
**Author:** ![djchase](https://community.algoriddim.com/letter_avatar_proxy/v4/letter/d/977dab/32.png) [@djchase](https://community.algoriddim.com/u/djchase)\ **Post date:** [August 1, 2024, 3:59pm UTC](https://community.algoriddim.com/t/stems-split-dual-deck-modes/21309/18 "2024-08-01T15:59:45Z")
> [@avi530](#): > > this feature. > > If not natively available is there a way to MIDI map it? Stem split is pretty nice. Pioneer did a good job implementing this in Rekordbox and DDJ-FLX10. Press a button and vocal and instruments get split onto two decks either same side or opposite sides of the crossfader, based on a setting. Decks can stay locked together or separate. Amazing for scratching a vocal from the same track that is playing underneath. Unfortunately, no one does stems as good as Djay so doing this in Serato or RB sounds like garbage! ---
**Author:** ![Shay\_Manshary](https://community.algoriddim.com/user_avatar/community.algoriddim.com/shay_manshary/32/15028_2.png) [@Shay\_Manshary](https://community.algoriddim.com/u/Shay_Manshary)\ **Post date:** [September 1, 2025, 7:51am UTC](https://community.algoriddim.com/t/stems-split-dual-deck-modes/21309/19 "2025-09-01T07:51:10Z")
- Device model _Macbook Pro M1 Max_: - Version of operating system _MACOS 15.6_: - Version of djay _Latest_: - Hardware/controllers used _(Pioneer DJ XDJ-XZ_: Hi guys As simple as it sound: where is that function? i cant find any info about it or the related MIDI action (or just a simple FULL list of actions DJAY can MIDI map). Technically speaking, its possible. it exists on the FLX10 and Rane’s 4 channel controllers so DJAY knows how to do that. Please help me make it happen somehow. creative ideas are welcome. ---
**Author:** ![Slak\_Jaw](https://community.algoriddim.com/user_avatar/community.algoriddim.com/slak_jaw/32/6517_2.png) [@Slak\_Jaw](https://community.algoriddim.com/u/Slak_Jaw)\ **Post date:** [September 1, 2025, 12:20pm UTC](https://community.algoriddim.com/t/stems-split-dual-deck-modes/21309/20 "2025-09-01T12:20:07Z")
Hi @Shay_Manshary, welcome to the Community! There currently is no single MIDI command for STEMs Split. However, see my workaround above. It’s a bit more MIDI mapping effort, but it’s been working well for me. I hope that helps! > [@STEMs Split & Dual Deck Modes](https://community.algoriddim.com/t/stems-split-dual-deck-modes/21309/5): > > I was actually able to get pretty close to the STEMs Split functionality with a custom MIDI Mapping on my Reloop Mixon 8 Pro. I used the Duplicate function to map 3 MIDI commands to a single button. First I mapped Instant Double to SHIFT + Load Channel 2. Next I mapped Deck 2: Neural Mix Solo (2ch: Acappella) to the same button. Finally I mapped Deck 1: Neural Mix Solo (2ch: Instrumental) to the same button again. So, if I’m playing a track on Deck 1 and I press SHIFT + Load Channel 2 it will … ---
**Author:** ![djcoldswitch](https://community.algoriddim.com/letter_avatar_proxy/v4/letter/d/8c91f0/32.png) [@djcoldswitch](https://community.algoriddim.com/u/djcoldswitch)\ **Post date:** [February 14, 2026, 5:23pm UTC](https://community.algoriddim.com/t/stems-split-dual-deck-modes/21309/21 "2026-02-14T17:23:01Z")
+1 on the Dual Deck Mode feature request. Now that Deck Move has been implemented it would be awesome to have Dual Deck Mode. Example usage would be: - Have tracks playing on decks 1 and 2 - Deck Move the track on deck 1 to deck 4 (now I have a mashup going on decks 2 and 4) - Turn on Dual Deck Mode for tracks 2 and 4 Then I could: - Scratch turntable/jogwheel assigned to deck 2, but since Dual Deck Mode is on, I’m scratching decks 2 and 4 simultaneously - Trigger hardware or software fx on deck 2, but since Dual Deck Mode is turned on; the fx are applied to decks 2 and 4 simultaneously - Fader changes for deck 2 also affect deck 4 in Dual Deck Mode I hope that makes sense. ---
**Author:** ![Slak\_Jaw](https://community.algoriddim.com/user_avatar/community.algoriddim.com/slak_jaw/32/6517_2.png) [@Slak\_Jaw](https://community.algoriddim.com/u/Slak_Jaw)\ **Post date:** [February 15, 2026, 2:07pm UTC](https://community.algoriddim.com/t/stems-split-dual-deck-modes/21309/22 "2026-02-15T14:07:56Z")
Thanks for the additional input @djcoldswitch