Kelli Mayo

In this article/interview, on the third page, you can see Kelli's list of gear that she uses/has used. A Ernie Ball Music Man Stingray Bass (in Black) is mentioned. You can also see this bass being used in Skating Polly's Daytrotter Session (https://www.youtube.com/watch?v=idg-gQHAjzI)

This article (on the third page) has Kelli Mayo's gear. This is one of the three pedals mentioned.

In this video Mayo uses a Olympic White Mustang PJ Bass (when playing bass). Her bass actually only has three strings, tuned to E, C#, G#. The C# replaces the A, and the G# replaces the D, while the G peg is left empty.

On the third page of this article, you can see a rig rundown of Kelli Mayo. You'll also notice she uses an Ampeg PF-410HLF cab.

Kelli Mayo uses the Ampeg PF-410HLF Portaflex bass cabinet, as detailed in the gear list featured in the Premier Guitar article "Skating Polly’s Sister Power."

This article (on the third page) has Kelli Mayo's gear. This is one of the three pedals mentioned.

This is one of the three pedals mentioned in Kelli Mayo's rig rundown.