Mk.gee

he's mentioned this directly before but you can see the 4 track cassette deck here underneath the chase bliss mood

In a recent Instagram story by Vegyn, Mk.gee's Alesis Quadraverb is visible, with the logo clearly circled in the photo.

On his most recent tour, Mk.gee used the Soma Laboratory PULSAR-23 to perform multiple songs. He has a yellow edition, which is the Andrew Huang version. This is confirmed by an image from the tour. 

In a Twitter post, Mk.gee showcases his Roland RE-201 Space Echo positioned above a rack cabinet, indicating its use in his setup.

As you can see in this screenshot a tr-707. In the livestream that this is from he said he used it a lot on "museum of contradiction"

Mixer that he plugs all his synths into

In a studio photo from a few years ago, Mk.gee is seen using the Universal Audio UAD-2 Satellite Thunderbolt 3 QUAD Core.

can be seen in this Instagram story from him

at the top of the rack in the photo

In the video "Mk.gee - Little Bit More (Live)" at 0:46, Mk.gee uses the Roland GK-3 Divided Guitar MIDI Pickup to create a synth/overdrive/crunchy effect. This gear is also utilized by Mk.gee and Andrew during their performance on Jimmy Kimmel Live, as seen in the "Are You Looking Up" video.

In this screenshot from Vegyn's instagram story you can clearly see a chandler tg2 on Mk.gee's rack

In the bottom left of a photo from Mk.gee's Instagram story, the Lexicon MX200 is clearly visible.