Is there an easy way to do it? After autoranging and crossover, I turn the volume of PXE all the way up. Using multimeter with pink noise, test tone, etc. and I was getting close to 5V at the speaker output. I was expecting about 24.5V for 150W. I believe my gain was already pretty high. I am not using Alpine amp so I don't have a "normal" 1V center detent. Please help.