The A10-12 cable (PN 66267-01) has a 6 db louder transmit than the A10-16 cable.
Cable
Coiled
Headset cable
Quick Disconnect
Male
1
Header
Plantronics
Australia, Europe, New Zealand
Plantronics
A10-12
1
Plantronics
Interface Provided
1
Interface Required
1
Quick Disconnect
Male