Dell Studio XPS 435T / 9000 (Early 2009) - Manual (Page 20)

18
Using Your Studio XPS Desktop
12 USB 2.0 connectors (3) — Connects
to USB devices that are connected
occasionally such as memory keys,
digital cameras, and MP3 players.
13 Line-in or microphone connector —
Connects to a microphone for voice or to
an audio cable for audio input.
14 Headphone connector — Connects
to headphones.
NOTE: To connect to a powered speaker
or sound system, use the audio out or
S/PDIF connector on the back of your
computer.