Yes, it is possible to control the volume of your AXN/MXN when connected via the analog outputs. Pre-amp mode and volume control is not possible when connected via the digital outputs.
To enable Pre-amp mode and volume control on your AXN/MXN, please follow the step-by-step guide below:
Note: Pre-amp mode and volume control is only available with firmware version 132-b-007.
How-to guide
1. While your AXN/MXN is in Standby mode, navigate to the device settings in the StreamMagic app, and set Pre-Amp to 'On'
Note: Do not enable ''Pre-amp' mode while the AXN/MXN is switched on.
2. You will then be able to control the volume of your AXN/MXN via the app volume wheel and your device's volume controls