Phoenix Audio Technologies DUET VCA - Manual (Page 21)

2 - 3.5mm stereo headphones / external speaker connector
3 - Telephone jack (RJ11)
4 - Output gain switch
5 - USB connector
Computer (USB) Connection:
Please refer to section 5 of the manual in order to learn how to use the USB connection.
Telephone connection:
The Duet can connect to most telephones / IP telephones / cellular phones through the device’s
headset connection. Typically, IP phones have an RJ11 type jack for the headset connection. Most
other phones have a 2.5mm jack for the headset connection.
The Duet includes two types of cables to address these two types of headset connections. One
type of cable has an RJ11 connector (mini telephone) on both ends of the cable. The other type of
cable has an RJ11 connector on one end and a 2.5mm jack on the other.
- 21 – Phoenix Audio Technologies www.phnxaudio.com