Soundboard for Twitch & OBS: the setup that actually sounds good

A well-timed sound effect is the cheapest production value a stream can have — a badum-tss after a bad joke, a hype horn on a clutch, a sad violin on a whiffed ult. Here's how to wire a soundboard into OBS properly, so your viewers hear crisp sounds at the right volume and your voice never fights the memes.

What "properly" means

The lazy way is to blast sounds out of your speakers and let your mic pick them up. It works — and it sounds like it: muffled, room-echoed, and glued to your voice so you can't balance the two. The right way gives the soundboard its own channel in OBS, with its own fader, its own filters, and no detour through the air in your room.

For that you need three pieces: a soundboard app, a virtual audio cable (the soundboard's private wire into OBS), and one audio source in OBS. Ten minutes, all of it free except the soundboard.

Step 1 — The soundboard

SoundLord turns any USB keyboard into a dedicated soundboard: every key holds a sound, triggers fire globally (in-game, in fullscreen, without alt-tab), and a spare €10 office keyboard gives you 60+ instantly reachable pads. If you don't have a second keyboard, it runs on your main one with shortcuts — the routing below is identical either way.

Step 2 — The virtual cable

Install the free VB-CABLE driver and set SoundLord's output device to CABLE Input. From then on your sounds flow into a virtual wire instead of your speakers. We have a separate step-by-step for this part, including the mic-forwarding setup and troubleshooting: VB-CABLE setup guide.

Step 3 — Capture it in OBS

1. In OBS, click + under Sources → Audio Input Capture.
2. Name it something honest like Soundboard.
3. Device: CABLE Output (VB-Audio Virtual Cable) → OK.

That's the whole trick. The soundboard now shows up as its own fader in the OBS audio mixer, next to your mic and desktop audio. Trigger a sound and watch its meter move.

Step 4 — Levels

• Aim your voice around −12 to −6 dB on the OBS meter — it's the star.
• Pull the soundboard fader down until effects sit clearly under your voice; loud memes lose their charm when they clip.
• SoundLord also has per-key volume — tame that one screamer clip once, at the source, instead of riding the fader forever.

Do viewers and Discord both hear it?

With the setup above, your stream hears the sounds. If your Discord squad should hear them too, select CABLE Output as your microphone in Discord — the cable carries your forwarded mic and the sounds together. One soundboard, both audiences.

Bonus: control OBS from the same keyboard

SoundLord keys don't have to play audio — they can switch OBS scenes (with auto-switch-back on release), take screenshots, toggle recording or mute, via OBS's WebSocket. A spare keyboard ends up doing what a stream deck does, with 60 keys instead of 15.

Checklist before you go live

• Trigger a sound → its own OBS meter moves, not the desktop-audio meter.
• Windows sound settings: CABLE devices and your mic all at 48000 Hz — mismatched rates are the #1 cause of crackle.
• Watch your own stream preview with headphones once; balance beats guesswork.