Amazon.com: Sennheiser Professional MKE 400 Directional On-Camera Shotgun Microphone with 3.5mm TRS and TRRS Connectors for DSLR, Mirrorless & Mobile , Connects with Auxiliary : Musical Instruments
Sennheiser MKE 400 Review | PCMag
Recoton MM-400 Mic Microphone MM-400 MM-400 110V | eBay