Volumio + RPI3B + Allo Piano 1.1 DAC Volume issue

I have to really crank up my stereo amplifier to get some descent volume using the Volumio + RPI3B + Allo Piano 1.1 DAC Volume, is there any fine tuning to be done to fix this. My other 2 dedicated DACS (TEAC and Yamaha), work fine with no issues on the same amplifier. Appreciate any help in this matter.
Thanks