1. Install The SmoredBoard

2. Open the SmoredBoard

    - Open settings

    - Go to the Audio Page in settings

    - Set the Virtual Mic in the SmoredBoard to CABLE Input

    - Set your Mic input in the SmoredBoard to your mic,                    as well as your headphones so you can hear the sfxs you            play, and others can hear you talk.

3. Open Roblox *MAKE SURE YOU HAVE VOICE CHAT ALREADY ENABLED IN ROBLOX

    - Join a game with voice chat enabled

    - Open the settings tab in settings (press "esc" then click            settings)

    - Set the "input" to "CABLE Output"

That's it! When you play sounds in the SmoredBoard, they should also be heard by everyone else in Roblox