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Owner’s Manual
HP-A4
2-ch DAC & Headphone Amplifier
8288988000
(565643)
<Note>:
If you connect the HP-A4 to a Windows computer via USB, you
must install the dedicated USB Audio Class 2.0 driver which can
be downloaded from the Fostex website (www.fostex.com).
If you use a Mac computer, you do not need to download a driver.