I have my headset/ headphones on the external speaker with a volume control to reduce the level. No switching needed just grab the phones when desired and go. Phone volume slightly louder than speaker. 

The main reason I did this was to get more volume when using NR .

73

Mike R

Find me on "Zello", a walkie talkie or handi talkie type app. I'm listed as KE5GBC. I'm mostly on late at night.