RJ11 Headphone Adapter

Does anyone have a source for the RJ11 to headphone adapter used to tune in classic SMs?

Best-Tronics still sells them. This is the company we OEM'd them from for years...


Here's you go (this is in the user guide as well):

You can order this from your Cambium channel partner:

ACATHS-01A - alignment tool headest for PMP/PTP450 and 450i series products

You can order these from Bestronics here: https://btpa.com/Cambium-Products/

BT-1277 - headset alignment cable (RJ45) for PMP/PTP450i series products

BT-0674 - headset alignment cable (RJ12) for PMP/PTP450 series products

You can make your own pretty easily