Google Pixel 2 XL users report problems with its microphone; temporary fix involves blowing air into the bottom speaker- Technology News, Firstpost
The 10 best features of Google's new Pixel 2 and Pixel 2 XL
Amazon.com: USB-C Headphone Adapter for Pixel 2 and Pixel 2 XL Phones, Earphone 3.5mm Jack Charger Port Splitter Mic Support Hands-Free Type-C Headset Adaptor Compatible with Google Pixel 2 - Pixel 2
Google Pixel 2 XL Charging Port Replacement with Microphone – PhoneRemedies
Microphone Google Pixel 2 Xl | Google Pixel 3a Xl Microphone - Mic Microphone Board - Aliexpress
Google Pixel 2 XL Teardown - iFixit
Google Pixel 2 mic issue has a bizarre Nintendo-inspired fix (Update: Galaxy S8, Note 8 too!)