Theo Ellis

you can see him playing a precision bass throughout the concert

The item can be seen clearly during the whole video.

In this picture you can see Theo playing a Fender Mustang Bass on stage

At 0:46 of this show it's clear from the bridge and pickup that Theo is playing this bass

1:55 "For me, it was like, a lot of the sounds that I was trying to get are fuzzy and driven... and this, gives you a really great bass to build your effects on top of, and it always cuts through, its always chunky and its got that really smooth bass to layer your effects on"

Can be seen in the video coupled with his AD200B Head

On the top row of Theo's pedalboard (second from right), you can clearly see an Aguilar Tone Hammer.

This pedal can be seen on his rig in this picture

Can be seen on his rig in this picture

Can be seen on his rig in this picture

On the top row of Theo's pedalboard (far right), you can clearly see an Empress Compressor.