# external mixer

**URL:** <https://forum.djtechtools.com/t/external-mixer/66004>\
**Category:** General Discussion\
**Tags:** ddm4000, external-mixer, denonsc2900, usb-audio-interface\
**Created:** [May 11, 2014, 5:45pm UTC](https://forum.djtechtools.com/t/external-mixer/66004 "2014-05-11T17:45:04Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![iainzy](https://avatars.discourse-cdn.com/v4/letter/i/65b543/32.png) [@iainzy](https://forum.djtechtools.com/u/iainzy)\
**Post date:** [May 11, 2014, 5:45pm UTC](https://forum.djtechtools.com/t/external-mixer/66004/1 "2014-05-11T17:45:04Z")

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**external mixer**

I have 2 denon sc2900’s and a beringer ddm4000. I want to use the sc2900’s to control decks a and b in midi mode and use the ddm4000 as an external mixer. Do I need a usb audio interface?

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**Author:** ![Patch](https://sea1.discourse-cdn.com/flex001/user_avatar/forum.djtechtools.com/patch/32/118_2.png) [@Patch](https://forum.djtechtools.com/u/Patch)\
**Post date:** [May 14, 2014, 11:16am UTC](https://forum.djtechtools.com/t/external-mixer/66004/2 "2014-05-14T11:16:13Z")

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Yes.

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**Author:** ![makar1](https://avatars.discourse-cdn.com/v4/letter/m/fbc32d/32.png) [@makar1](https://forum.djtechtools.com/u/makar1)\
**Post date:** [May 14, 2014, 2:13pm UTC](https://forum.djtechtools.com/t/external-mixer/66004/3 "2014-05-14T14:13:38Z")

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No, you don’t need an additional audio interface. The SC2900s have their own interfaces built in that can be used to send audio to the mixer.

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**Author:** ![robdquick](https://sea1.discourse-cdn.com/flex001/user_avatar/forum.djtechtools.com/robdquick/32/12389_2.png) [@robdquick](https://forum.djtechtools.com/u/robdquick)\
**Post date:** [May 14, 2014, 2:24pm UTC](https://forum.djtechtools.com/t/external-mixer/66004/4 "2014-05-14T14:24:43Z")

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> [@makar1](#):
>
> No, you don’t need an additional audio interface. The SC2900s have their own interfaces built in that can be used to send audio to the mixer.

Just install the denon ASIO Driver, make sure both devices are ticked in the ASIO control panel, and then select the correct outputs in your DJ software.

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<div class="post-metadata">

**Author:** ![iainzy](https://avatars.discourse-cdn.com/v4/letter/i/65b543/32.png) [@iainzy](https://forum.djtechtools.com/u/iainzy)\
**Post date:** [May 18, 2014, 10:01pm UTC](https://forum.djtechtools.com/t/external-mixer/66004/5 "2014-05-18T22:01:48Z")

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thanks for the info wasn’t sure if I had to buy an audio interface that was compatible with my dj software.