Fred again..

Akai Professional APC40 MKII can be seen throughout the video in the middle of the frame.

Korg Kaoss Pad KP3 can be seen in this post.

In the third studio session we can see the embodme Erae Touch in front of his keyboard. At 20: 35 we can see him changing a certain parameter on the Erae Touch.

Fred Again can be seen playing SoundForce SFC-8 USB MIDI cotroller in this video (9:25~)

Can be seen playing Alesis V49 in this post.

In this screenshot from a video on the artist's IG account, Fred can be seen performing live with a Korg KP2. Although there is a lot of motion blur in the video, you can clearly see the distinctive silver casing and large area of blue backlighting at the top of the unit that were unique to the 2nd generation model.

Buying one won't give you Fred's talents. Save your money.

Fred again.. is confirmed to use the Akai MPK mini MK3 Red, as evidenced in an Instagram post by the artist himself, where he is visible playing the MIDI Keyboard Controller in both a photo and video within a series documenting his stay in Mexico while finishing a record. This information is supported by a direct caption from Fred again.. stating the context of his activities and the presence of the gear.

In a video posted on Instagram by Fred again.., the backside of the Behringer U-PHORIA UMC1820 interface is visible while he is performing a soundcheck at the Usana Amphitheatre.

In the third video of an Instagram post by Fred again.., he is seen playing the Akai MPK Mini MK3 grey.

Fred again uses the Korg Microkey Air 49-Key Bluetooth Keyboard Controller, as evidenced by a post on his Instagram account, where he shares behind-the-scenes moments from making his new record.

Here's the YouTube video where you can see this keyboard throughout as well.

Can be seen the backside of x4 on his twitch stream

In this YouTube video, Fred again is shown using the Novation Launchkey 37 MK3.

In his "Rooftop Live Set (Fede’s Roof, Naples)," Fred again.. uses the Novation Launchkey 37 MKIII MIDI Keyboard Controller. During the performance, he appears to have customized the keyboard by painting the keys black, as visible at the 5:50 mark, and the Novation logo on the back at 6:12. This information is supported by the video provided by Fred again.. on YouTube.