Hardware
Implementation
IDT 92HD91
Function Key
Volume Controls
Volume up, volume down, and mute
Full Duplex
Yes
Microphone In
Stereo
Headphone/Line Out
Stereo
Integrated Microphone
Yes, dual digital microphone array when equipped with optional webcam
Audio Output Quality
Frequency Response
20 Hz - 20 kHz
Signal to Noise Ratio
>85 dB
Total Harmonic Distortion
0.01%
Noise Floor
-110 dB
Play/Record Sampling
Rate
(s)
8 kHz - 48kHz
DAC
16, 20 or 24-bit
ADC
16 or 20-bit
Integrated Stereo
Speakers
Power Rating
2 Watts
Impedance
4 Ohms
POWER
HP 65W Smart AC Adapter Dimensions
4.17 x 1.85 x 1.1 in (10.6 x 4.7 x 2.8 cm)
Weight
0.62 lb (280 g)
Input
100 to 240 VAC
Input Efficiency
87% min at 115 VAC
Input frequency range
47 to 63 Hz
Input AC current
1.7 A at 90 VAC, 0.85 A at 180 VAC
Output
Output power
65W
DC output
18.5V
Hold-up time
5 msec at 115 VAC input
Output current limit
<11A, Over voltage protection- 29V max
automatic shutdown
Connector
3 pin/grounded, mates with interchangeable cords
Environmental Design
Operating
temperature
32° to 104° F (0° to 40° C)
Non-operating (storage)
temperature
-4° to 149° F (-20° to 65° C)
QuickSpecs
HP ProBook 645 G1 Notebook PC
HP ProBook 655 G1 Notebook PC
Technical Specifications
DA - 14689 North America — Version 8 — February 21, 2014
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