A:AnswerI would use a basic USB system like the Logitech - S150 2.0 USB Speaker System. Easy to setup, reliable and at a fair price. $19.99 @ Best Buy....
A:AnswerDesktop PCs have a tiny piezoelectric speaker to beep error codes, but for listening to music and the like, you need to add external speakers, which can be anything from the most basic up to full audio systems for a home.
A:AnswerPower Factor Correction: Active PFC.
Simulated/Modified Sine Wave UPS: May work but not guaranteed.
Recommended UPS Type: Pure sine wave (strongly recommended).