Dell Inspiron 1521 Owner's Manual page 180

Audio
Audio type
Audio controller
Stereo conversion
Interfaces:
Internal
External
Speaker
Internal speaker amplifier
Volume controls
Display
Type (active-matrix TFT)
Dimensions:
Height
Width
Diagonal
Maximum resolutions:
WXGA
WXGA with TrueLife
WXGA+ with TrueLife
WSXGA+ with TrueLife
Refresh rate
Operating angle
Viewing angles:
180
Specifications
two-channel high-definition audio codec
Sigmatel STAC9205 Codec
24-bit (analog-to-digital and digital-to-
analog)
Intel High Definition Audio
microphone-in connector, stereo
headphones/speakers connector
two 4-ohm speakers
2 Watts per channel into 4 ohms
program menus, media control buttons
15.4-inch WXGA
15.4-inch WXGA with TrueLife
15.4-inch WXGA+ with TrueLife
15.4-inch WSXGA+ with TrueLife
222.5 mm (8.8 in)
344.5 mm (13.6 in)
391.2 mm (15.4 in)
1280 x 800 at 262 K colors
1280 x 800 at 262 K colors
1440 x 900 at 262 K colors
1680 x 1050 at 262 K colors
60 Hz
0° (closed) to 155°