Marshall JTM45HW (Reverb link).
This amp first appeared in Fall 2016. It’s a 30 watt head version of the iconic Bluesbreaker combo made famous by Eric Clapton. It’s a re-issue and not a vintage amplifier. Trey has been using them in pairs for Fall 2016. They run on KT-66 tubes.
Trey's Guitar Rig 