What Hi-Fi? on MSN
Small, smartly styled and well made, the WiiM Amp Ultra is a neat hi-fi solution with decent sound
The Amp Ultra’s unibody aluminium casework is shared with WiiM’s excellent standalone Ultra streamer (£349 / $329 / AU$599) and is none the worse for that. There are two finish options, the Space Gray ...
Extend the LM358 op-amp family’s output voltage range by cascading the op-amp with a few simple, inexpensive components.
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