iRig Keys I/O is an audio interface and MIDI keyboard controller for $199
Line 6 TonePort KB37 USB Audio Interface and MIDI Controller | Musician's Friend
Audio modeling Support - Camelot Tutorial 5: Audio Input and Output
USB MIDI Cable,USB 2.0 Type B to iOS Cable,OTG Lightning Cable Compatible with iOS 10.32 or Later Devices to MIDI Keyboard,Electronic Music Instrument,Audio Interface,Midi Controller and More-5FT - Walmart.com
IK Multimedia - iRig Keys I/O
M-Audio
Behringer U-Control UMX610 USB MIDI Controller | zZounds
Roland PCR-1 USB Audio Interface & MIDI Keyboard Controller | Reverb
How to Connect MIDI Keyboard to Audio Interface: Ways & Steps
Amazon.com: AKAI Professional MPK Mini Play MK3 MIDI Keyboard Controller with Built in Speaker and Sounds Plus Dynamic Keybed, MPC Pads and Software Suite & Focusrite Scarlett Solo 3rd Gen USB Audio
How to Set Up an Audio Interface and a Controller Keyboard | Getting Started with Cubase - YouTube
M-Audio Ozone MIDI Controller | Reverb
Restock M-Audio Ozonic 37-Key FireWire Audio Interface and MIDI Controller | Guitar Center
How to Connect an Audio Interface and Midi Keyboard to iPad - YouTube
icon Mobile 6: a Multifunctional Audio Interface and MIDI Controller | Bax Music