The 2G+AVP and 3G+AVP Transmitters and Receivers have the ability to adjust the volume level on the 3.5mm Stereo Out jack.
The 2G+ Transmitters and Receivers have the ability to adjust the audio delay for Lipsync correction on the 3.5mm Stereo Out Jack. There is NO volume control.
Note: The volume control only affects the Stereo Out of the AVP models and does not affect the HDMI audio. There is no way to adjust the volume level of the HDMI signal; the volume level that goes into the Transmitter is the level of HDMI volume across the entire system for that source.
The volume control is available in increments of ±1.5 db (decibels) with a range of +6 db to -39 db, and Mute.