Originally Posted by
oldguyzrule
When do I need to use a booster/rcvr pack?
With all 2s/3s speedo's?
Do any 1s speedo's need a booster?
Thanks for any replys.
You need a voltage booster for most speedos on 1S. You don't need a booster with the ORCA VX1, Hobbywing 1S, or the Viper VTX1, from what I remember.