Hmn639 Better [upd] -

If you aren't ready to buy a new unit, you can optimize your current HMN639 with a few simple tweaks:

Use "cable management" clips or run the wire under your shirt. This prevents the "tug" on your ear that causes discomfort and protects the wire from snagging on doors or equipment. hmn639 better

HMN639 Better: Upgrading Your Two-Way Radio Audio Experience If you aren't ready to buy a new

Many users clip the PTT/Mic unit too low. For "better" outgoing audio, clip the mic to your lapel or the center of your chest, approximately 6–8 inches from your mouth. approximately 6–8 inches from your mouth.