HP Compaq dc7900

High Definition Audio Type Integrated
High Definition Stereo
Codec
Yes – ADI 4-channel ADI 1884 codec
Audio Jacks Front microphone-In (150-K ohm Input Impedance)
Rear Line-In/Microphone input (150-K ohm Input Impedance, function is
configurable by audio driver)
Rear Line-Out * (190 ohms Output Impedance, expects at least a 10-K ohm
load)
Front Headphone-Out (0.5 Ohm Output Impedance, expects at least a 32 ohm
load)
* Internal Speaker Amplifier is for Internal Speaker only. External Speakers need to be powered externally.
Rear Line in audio port is re-taskable as Line-in or Microphone-in.
Multistreaming Capable Multistreaming can be enabled in the ADI control panel to allow independent
audio streams to be sent to/from the front and rear jacks.
Sampling 8 kHz – 192 kHz
Wavetable Syntheses
(software)
Yes – Uses OS soft wavetable
Analog Audio Yes
Number of Channels on
Line-Out
(mono/stereo)
Stereo (Left & Right channels)
Internal Audio Speaker
Power Rating
1.5 W
Internal Speaker Yes
External Speaker Jack
(Line-Out)
Yes
HP Thin USB Powered
Speakers
On/Off/Volume Controls Right side of right speaker
Power LED Front of right speaker (green)
Frequency response FO to 20kHz
Watts 2/3 watt (normal/maximum)
Dimensions (H x W x D) Speakers: 5.72 x 3.74 x 0.96 in (14.52 x 9.50 x 2.45 cm) per speaker
Net weight 0.68 lbs (0.31kg)
Environmental
(all conditions
non-condensing)
Temperature (operating) 14° to 104° F (-10° to 40° C)
Relative Humidity
(operating)
40% to 90%
Speaker cable length Input cord: 5.91 ft (1800mm±35mm)
L-channel cord: 3.28 ft (1000mm±35mm)
USB cord: 5.91 ft (1800mm±35mm)
Color HP Carbonite
QuickSpecs
HP Compaq dc7900 Business PC
Technical Specifications - Audio
DA - 13029 Canada — Version 29 — March 7, 2011 Page 30