On 1/16/2019 10:00, Walter Underwood wrote: > When I need to drive two sets of headphones, I use a $25 Behringer HA400 headphone distribution amp. > > https://www.amazon.com/Behringer-HA400-Ultra-Compact-4-Channel-Headphone/dp/B000KIPT30 Any trouble with RFI? 73, Scott K9MA -- Scott K9MA k9ma at sdellington.us