Turn down the volume, please. ✬

Would you mind turning down the volume? ✬

The last volume is missing from this set. ✬

The fifth volume of this set is missing. ✬

Turn the volume up. ✬

Could you turn the volume down? ✬

Could you tell me how to adjust the volume? ✬

Please turn down the volume. ✬

Please don't turn up the volume on the television. ✬

The radio is too loud. Please turn the volume down. ✬