EKSA H2 Professional USB Office Headsets with Noise Cancelling Microphone Over-Ear Headphones with Mic for Call Center Headset - AliExpress
VocoPro, 4 PA System, XLR Connector, Digital-Quad-H2 Digital-Quad-H2 - Walmart.com
Amazon.com: Bomaite H2 Wireless Microphone, Professional Dynamic Mic System for Karaoke Singing, Wedding, DJ, Party, Speech, Church, Class Use.Rechargeable Receiver, 164 Ft, UHF Dual Cordless Metal Microphone : Musical Instruments
Amazon.com: Zoom H2n Stereo/Surround-Sound Portable Recorder, 5 Built-In Microphones, X/Y, Mid-Side, Surround Sound, Ambisonics Mode, Records to SD Card, For Recording Music, Audio for Video, and Interviews : Musical Instruments
IVA U302C-H2 2x30 CH Dongle Wireless Microphone, 2 Handheld Mic – The Lava Store