Brent Kutzle

"Brent Kutzle with a Hagstrom Bass 1960, Nash T-69TL Thinline Shell Pink" - Chicago Music Exchange.

Brent can be seen playing the Mike Lull T-4 Bass throughout the whole video.However if you want a closer look then you can check this part of 2:26 in the video where Brent can clearly be seen playing that bass

According to Epiphone's official website, Kutzle is one of its players.

"Bass player Brent Kutzle uses an Aguilar Tone Hammer 500 head through an Aguilar 4x10 cab" - Mix Online

Ampeg SVT head is spotted on Brent's backline when OneRepublic performs on NRJ Live Session.

"The bass board comprises various gains such as the Aguilar Agro and an OCD Overdrive, along with an Aguilar Octamizer for subs." - Mix Online.

"The bass board comprises various gains such as the Aguilar Agro and an OCD Overdrive, along with an Aguilar Octamizer for subs." - Mix Online.

Mix Online talks about some of the gear that Brent uses live, including his Aguilar Octamizer. Source.

"The cello uses a Barbera Transducer on the pickup, run through a Line 6 M9 for wet signal." - Mix Online.

"Brent Kutzle with a Hagstrom Bass 1960, Nash T-69TL Thinline Shell Pink" - Chicago Music Exchange.

"Both bass and cello are run from the back of the rig via Radial SGIs down to the pedalboards from the Shure ULX wireless units in the rack" - Mix Online.

"Both bass and cello are run from the back of the rig via Radial SGIs down to the pedalboards from the Shure ULX wireless units in the rack" - Mix Online.