HI BOOTMAN. I think we both have the max-out meta42 built by JMT. I brook-in mine for 2 days using 4 batt. I would like to write a review on it but I think that you would do a better job at it. So please BOATMAN let us know what you think of the max out meta42 and all the tech stuff and what other amp do you com-pair it to.