HP XB3000 - Manual (Page 10)

1–6 Maintenance and Service Guide
Product Description
The external components on the right side of the expansion base
are shown below and described in Table 1-2.
Right-Side Components
Table 1-2
Right-Side Components
Item Component Function
1 Audio-out
(headphone) jack Produces expansion base sound when
connected to optional powered stereo
speakers, headphones, ear buds, a
headset, or television audio.
2 Audio-in (microphone)
jack Connects an optional computer headset
microphone, stereo array microphone, or
monaural microphone.
✎
The expansion base speakers are
muted when a device is connected to
the headphone jack.
3 USB ports (2)* Connect optional USB devices.
*There are 4 additional USB ports on the rear panel of the expansion base .