HP ProOne 400 G1 Specification page 35

QuickSpecs
Technical Specifications - Audio
Realtek ALC3228 High Definition Audio
Type
HD Stereo Codec
Ports
Internal Speaker Amplifier
Sampling
Analog Audio
# of Channels on Line-Out
Internal Speaker
HP ProOne 400 G1 All-in-One Business PC (21.5" Touch)
Integrated
Realtek ALC3228 4-channel codec
Line-In/Microphone input ports are 47K (nominal) at the pin
Line-Out intended to drive an external 10K load (nominal) and an on board shunt resistor of 20-47K
(nominal)
Headphone-Out designed to drive 32 ohm (nominal) headphones or a 10K (nominal) load
All ports are 3.5 mm
2.2W/channel Class-D stereo BTL speaker amplifier@ 4 ohms and 5V
The ALC3228 audio CODEC provides stereo 24- bit, full duplex resolution supporting sample rates up
to 192kHz by the DAC and ADC. Additional sample rates are supported by the driver software.
Yes
4 Channels (2 stereo DACs and 2 stereo ADCs) with 24-bit resolution
Yes
DA - 14876 Worldwide — Version 2 — January 22, 2014 Page 35