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Dell OptiPlex 7470 All-in-One Setup and specifications guide

Audio

Table 1. AudioAudio

Integrated Realtek ALC3289 High Definition Audio

Description Values
High Definition Stereo support Yes
Number of channels 2
Number of Bits / Audio resolutions 16, 20, and 24-bit resolution
Sampling rate (recording/playback) Support 44.1K/48K/96K/192 kHz sample rates
Signal to Noise Ratio 98 dB for DAC outputs, 92 dB for ADC inputs
Analog Audio Yes
Waves MaxxAudio Pro Yes
Audio Jack Impedance
Microphone 40 K ohm~60 K ohm
Line-In N/A
Line-Out 100 ohm~150 ohm
Headphone 1 ohm~4 ohm
Internal Speaker Power Rating

3 Watt (average) / 4 Watt (peak)


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