mixer tap

noun

1. a tap in which hot and cold water supplies have a joint outlet but are controlled separately

Example Sentences

If you want to add voice effects to your Reel, which lets you modify audio including a voice-over, after recording a Reel, tap the music note to open the audio mixer, tap “effects” and choose the voice effect you want.

From The Verge

It has a single mixer tap with a jet you can direct, and the accessories are equally thoughtful.

From BBC