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
Used Sony UTX-H2 UWP Series Handheld Microphone - Channel 42 to 45 SKU#1518640 UTXH2/4244
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
Hobbs Flyer H2 Active ANR Aviation Headset (with Bluetooth)