I've been plagued with low CB volume since day 1 (Sept 2018) of my DCT Tour. The CB was pretty much useless. I had a chance to talk to John Lazzeroni with J&M Audio at Wing Ding earlier this week. John explained that every time the Wing ignition is shut off, the Wing "forgets" the CB volume setting (a Honda problem), so each time you turn on the ignition, you turn down the squelch to #1 and you will hear the CB static in the headsets. While squelch is on #!, press the volume up button on the bluetooth headset until it is at max volume, then turn the squelch back up. I tried this and it worked. For the first time in a year I was able to hear clearly other riders on the CB. Also my riding buddies tell me my transmissions seem louder. (not sure if they are or not). This procedure is detailed on the last part of the J&M video that explains how to set up & link two J&M BT units.