Bolt 2.1 and Bolt 2.2 Transmitters are compatible with GLO 2, GLO 3X, and GLO 3XC Headphones.
Click here for our Setup Guide to using a Bolt 2.1/2.2 Transmitter with GLO 2 Headphones.
Click here for our Setup Guide to using a Bolt 2.1/2.2 Transmitter with GLO 3X/3XC Headphones.