Acer AT3705-DTV Service Manual page 27

13) Headphone
14) HIFI
15) Loudspeakers
function is included in the MGW module
The user can adjust separately the headphone volume.
The load impedance is 32 ohms, with 0.5W max output.
The audio signal can be any input source displayed in active window
On the HIFI outputs, the user can connect an external audio
amplifier, the selected signal is the same as the loudspeaker.
The output level is 500mV RMS
Max. Audio input (at 10% THD max.) at 1.0Vp-p / 1kHZ input: 15W +15W
Sound Distortion at 1W/1kHZ
Speaker
Speaker impedance
Residual Hum at Min. Volume
Max. Hum at Max. Volume
: 1% THD max.
: Two of 15W
: 8 ohms at 1kHZ
: 500uW Max.
: 1000uW Max.